./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.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_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/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 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:59:04,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:04,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:04,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:04,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:04,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:04,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:04,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:04,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:04,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:04,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:04,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:04,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:04,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:04,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:04,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:04,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:04,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:04,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:04,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:04,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:04,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:04,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:04,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:04,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:04,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:04,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:04,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:04,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:04,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:04,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:04,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:04,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:04,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:04,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:04,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:04,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:04,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:04,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:04,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:04,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:04,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:59:04,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:04,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:04,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:04,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:04,829 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:04,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:04,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:04,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:04,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:04,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:04,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:04,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:04,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:04,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:04,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:04,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:04,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:04,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:04,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:04,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:04,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:04,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:04,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:04,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:04,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:04,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:04,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:04,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:04,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:04,840 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_6a9e6504-95d7-4fa6-895d-321958b32afa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 [2020-11-28 02:59:05,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:05,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:05,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:05,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:05,164 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:05,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2020-11-28 02:59:05,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/data/4547aee00/867d09a90ff94a29a8d1c2eb55ba015c/FLAG74fc49fb3 [2020-11-28 02:59:05,946 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:05,947 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2020-11-28 02:59:05,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/data/4547aee00/867d09a90ff94a29a8d1c2eb55ba015c/FLAG74fc49fb3 [2020-11-28 02:59:06,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/data/4547aee00/867d09a90ff94a29a8d1c2eb55ba015c [2020-11-28 02:59:06,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:06,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:06,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:06,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:06,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:06,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4c2253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06, skipping insertion in model container [2020-11-28 02:59:06,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:06,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:06,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:06,663 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:06,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:06,834 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:06,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06 WrapperNode [2020-11-28 02:59:06,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:06,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:06,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:06,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:06,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:06,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:06,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:06,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:06,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:07,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:07,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:07,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:07,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:07,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:07,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/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 02:59:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:08,342 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:08,343 INFO L298 CfgBuilder]: Removed 198 assume(true) statements. [2020-11-28 02:59:08,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:08 BoogieIcfgContainer [2020-11-28 02:59:08,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:08,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:08,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:08,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:08,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:06" (1/3) ... [2020-11-28 02:59:08,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4d1e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:08, skipping insertion in model container [2020-11-28 02:59:08,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06" (2/3) ... [2020-11-28 02:59:08,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4d1e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:08, skipping insertion in model container [2020-11-28 02:59:08,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:08" (3/3) ... [2020-11-28 02:59:08,357 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-11-28 02:59:08,369 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:08,373 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:59:08,386 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:59:08,411 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:08,411 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:08,411 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:08,412 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:08,412 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:08,412 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:08,412 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:08,412 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-11-28 02:59:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:59:08,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:08,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:08,445 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:08,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1794396740, now seen corresponding path program 1 times [2020-11-28 02:59:08,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:08,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192910018] [2020-11-28 02:59:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:08,795 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 02:59:08,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192910018] [2020-11-28 02:59:08,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:08,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:08,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398036157] [2020-11-28 02:59:08,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:59:08,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:08,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:59:08,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:08,825 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-11-28 02:59:08,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:08,894 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-11-28 02:59:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:59:08,896 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:59:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:08,913 INFO L225 Difference]: With dead ends: 267 [2020-11-28 02:59:08,913 INFO L226 Difference]: Without dead ends: 131 [2020-11-28 02:59:08,917 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 02:59:08,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-28 02:59:08,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-28 02:59:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-28 02:59:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-11-28 02:59:09,004 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-11-28 02:59:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,005 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-11-28 02:59:09,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:59:09,006 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-11-28 02:59:09,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:59:09,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,009 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 02:59:09,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:09,010 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1720251087, now seen corresponding path program 1 times [2020-11-28 02:59:09,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971120756] [2020-11-28 02:59:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,135 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 02:59:09,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971120756] [2020-11-28 02:59:09,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:09,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509168399] [2020-11-28 02:59:09,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:09,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:09,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:09,139 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-11-28 02:59:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,159 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-11-28 02:59:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:09,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:59:09,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,163 INFO L225 Difference]: With dead ends: 131 [2020-11-28 02:59:09,164 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 02:59:09,166 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 02:59:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 02:59:09,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-28 02:59:09,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 02:59:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-11-28 02:59:09,178 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-11-28 02:59:09,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,179 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-11-28 02:59:09,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-11-28 02:59:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:59:09,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,182 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 02:59:09,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:09,184 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,185 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2020-11-28 02:59:09,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145528136] [2020-11-28 02:59:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,366 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 02:59:09,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145528136] [2020-11-28 02:59:09,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:09,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257017193] [2020-11-28 02:59:09,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:59:09,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:59:09,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:09,368 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2020-11-28 02:59:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,553 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-11-28 02:59:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:59:09,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-28 02:59:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,555 INFO L225 Difference]: With dead ends: 100 [2020-11-28 02:59:09,556 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 02:59:09,560 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 02:59:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 02:59:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-28 02:59:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 02:59:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-11-28 02:59:09,574 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-11-28 02:59:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,575 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-11-28 02:59:09,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:59:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-11-28 02:59:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:59:09,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:09,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:59:09,578 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,578 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2020-11-28 02:59:09,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559308742] [2020-11-28 02:59:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,692 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 02:59:09,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559308742] [2020-11-28 02:59:09,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:09,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230373228] [2020-11-28 02:59:09,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:09,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:09,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:09,695 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-11-28 02:59:09,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,731 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-11-28 02:59:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:09,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:59:09,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,733 INFO L225 Difference]: With dead ends: 121 [2020-11-28 02:59:09,733 INFO L226 Difference]: Without dead ends: 74 [2020-11-28 02:59:09,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:09,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-28 02:59:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-11-28 02:59:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-28 02:59:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-11-28 02:59:09,742 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-11-28 02:59:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,742 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-11-28 02:59:09,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-11-28 02:59:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 02:59:09,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:09,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:59:09,745 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,745 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2020-11-28 02:59:09,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422526764] [2020-11-28 02:59:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,854 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 02:59:09,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422526764] [2020-11-28 02:59:09,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:59:09,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734737996] [2020-11-28 02:59:09,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:09,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:09,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:09,856 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-11-28 02:59:10,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,004 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-11-28 02:59:10,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:59:10,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-11-28 02:59:10,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,007 INFO L225 Difference]: With dead ends: 372 [2020-11-28 02:59:10,007 INFO L226 Difference]: Without dead ends: 306 [2020-11-28 02:59:10,007 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 02:59:10,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-11-28 02:59:10,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-11-28 02:59:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-28 02:59:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-11-28 02:59:10,039 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-11-28 02:59:10,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,040 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-11-28 02:59:10,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-11-28 02:59:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 02:59:10,041 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:10,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:59:10,042 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:10,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2020-11-28 02:59:10,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241810870] [2020-11-28 02:59:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,128 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 02:59:10,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241810870] [2020-11-28 02:59:10,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:10,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:59:10,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378537423] [2020-11-28 02:59:10,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:10,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:10,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:10,130 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-11-28 02:59:10,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,256 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-11-28 02:59:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:59:10,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-28 02:59:10,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,259 INFO L225 Difference]: With dead ends: 378 [2020-11-28 02:59:10,259 INFO L226 Difference]: Without dead ends: 376 [2020-11-28 02:59:10,261 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 02:59:10,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-28 02:59:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-11-28 02:59:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-11-28 02:59:10,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-11-28 02:59:10,292 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-11-28 02:59:10,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,299 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-11-28 02:59:10,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-11-28 02:59:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:59:10,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:10,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:59:10,301 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:10,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,302 INFO L82 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2020-11-28 02:59:10,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258559812] [2020-11-28 02:59:10,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,373 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 02:59:10,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258559812] [2020-11-28 02:59:10,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:10,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:10,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897019573] [2020-11-28 02:59:10,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:10,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:10,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:10,376 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-11-28 02:59:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,460 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-11-28 02:59:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:10,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 02:59:10,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,463 INFO L225 Difference]: With dead ends: 344 [2020-11-28 02:59:10,463 INFO L226 Difference]: Without dead ends: 218 [2020-11-28 02:59:10,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-28 02:59:10,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-11-28 02:59:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-28 02:59:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-11-28 02:59:10,484 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-11-28 02:59:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,484 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-11-28 02:59:10,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-11-28 02:59:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:59:10,486 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:10,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:59:10,486 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:10,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,487 INFO L82 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2020-11-28 02:59:10,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734730475] [2020-11-28 02:59:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,566 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 02:59:10,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734730475] [2020-11-28 02:59:10,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:10,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:59:10,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058700606] [2020-11-28 02:59:10,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:59:10,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:59:10,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:10,569 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 6 states. [2020-11-28 02:59:10,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,666 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2020-11-28 02:59:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:59:10,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-28 02:59:10,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,668 INFO L225 Difference]: With dead ends: 378 [2020-11-28 02:59:10,668 INFO L226 Difference]: Without dead ends: 240 [2020-11-28 02:59:10,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:59:10,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-11-28 02:59:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2020-11-28 02:59:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-28 02:59:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-11-28 02:59:10,684 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-11-28 02:59:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,684 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-11-28 02:59:10,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:59:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-11-28 02:59:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:59:10,685 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:10,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:59:10,686 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2020-11-28 02:59:10,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308002269] [2020-11-28 02:59:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,745 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 02:59:10,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308002269] [2020-11-28 02:59:10,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:10,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:10,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108149577] [2020-11-28 02:59:10,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:10,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:10,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:10,749 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2020-11-28 02:59:10,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:10,811 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2020-11-28 02:59:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:10,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 02:59:10,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:10,818 INFO L225 Difference]: With dead ends: 348 [2020-11-28 02:59:10,819 INFO L226 Difference]: Without dead ends: 202 [2020-11-28 02:59:10,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:10,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-11-28 02:59:10,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-11-28 02:59:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-11-28 02:59:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2020-11-28 02:59:10,843 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2020-11-28 02:59:10,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:10,843 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2020-11-28 02:59:10,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-11-28 02:59:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 02:59:10,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:10,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:10,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:59:10,846 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:10,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:10,846 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2020-11-28 02:59:10,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:10,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899449711] [2020-11-28 02:59:10,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:10,939 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 02:59:10,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899449711] [2020-11-28 02:59:10,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:10,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-28 02:59:10,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165500202] [2020-11-28 02:59:10,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:59:10,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:10,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:59:10,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:59:10,941 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2020-11-28 02:59:11,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:11,392 INFO L93 Difference]: Finished difference Result 710 states and 926 transitions. [2020-11-28 02:59:11,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-28 02:59:11,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-11-28 02:59:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:11,398 INFO L225 Difference]: With dead ends: 710 [2020-11-28 02:59:11,398 INFO L226 Difference]: Without dead ends: 514 [2020-11-28 02:59:11,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-11-28 02:59:11,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-11-28 02:59:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 202. [2020-11-28 02:59:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-11-28 02:59:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2020-11-28 02:59:11,430 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2020-11-28 02:59:11,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:11,430 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2020-11-28 02:59:11,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:59:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2020-11-28 02:59:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 02:59:11,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:11,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:11,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:59:11,433 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:11,433 INFO L82 PathProgramCache]: Analyzing trace with hash -723391325, now seen corresponding path program 1 times [2020-11-28 02:59:11,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:11,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833104801] [2020-11-28 02:59:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:11,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833104801] [2020-11-28 02:59:11,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:11,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:59:11,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516114792] [2020-11-28 02:59:11,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:59:11,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:11,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:59:11,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:11,605 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2020-11-28 02:59:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:11,953 INFO L93 Difference]: Finished difference Result 1042 states and 1371 transitions. [2020-11-28 02:59:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 02:59:11,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-11-28 02:59:11,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:11,960 INFO L225 Difference]: With dead ends: 1042 [2020-11-28 02:59:11,960 INFO L226 Difference]: Without dead ends: 896 [2020-11-28 02:59:11,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-28 02:59:11,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-11-28 02:59:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 326. [2020-11-28 02:59:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-11-28 02:59:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 421 transitions. [2020-11-28 02:59:12,009 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 421 transitions. Word has length 56 [2020-11-28 02:59:12,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:12,010 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 421 transitions. [2020-11-28 02:59:12,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:59:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 421 transitions. [2020-11-28 02:59:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 02:59:12,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:12,012 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:12,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:59:12,013 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:12,013 INFO L82 PathProgramCache]: Analyzing trace with hash -22326747, now seen corresponding path program 1 times [2020-11-28 02:59:12,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:12,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373307687] [2020-11-28 02:59:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:59:12,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373307687] [2020-11-28 02:59:12,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:12,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:12,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598750405] [2020-11-28 02:59:12,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:12,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:12,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:12,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:12,112 INFO L87 Difference]: Start difference. First operand 326 states and 421 transitions. Second operand 5 states. [2020-11-28 02:59:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:12,219 INFO L93 Difference]: Finished difference Result 660 states and 848 transitions. [2020-11-28 02:59:12,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:59:12,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-28 02:59:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:12,220 INFO L225 Difference]: With dead ends: 660 [2020-11-28 02:59:12,221 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:59:12,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:12,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:59:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:59:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:59:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:59:12,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-11-28 02:59:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:12,222 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:59:12,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:59:12,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:59:12,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:59:12,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:59:12,704 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2020-11-28 02:59:13,077 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-11-28 02:59:13,520 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 138 [2020-11-28 02:59:13,842 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2020-11-28 02:59:14,106 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 123 [2020-11-28 02:59:14,472 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 128 [2020-11-28 02:59:14,788 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2020-11-28 02:59:14,970 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 109 [2020-11-28 02:59:15,910 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 25 [2020-11-28 02:59:16,152 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2020-11-28 02:59:16,256 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2020-11-28 02:59:16,763 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-11-28 02:59:17,756 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 20 [2020-11-28 02:59:18,413 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 29 [2020-11-28 02:59:19,047 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2020-11-28 02:59:19,157 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-11-28 02:59:19,839 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2020-11-28 02:59:20,432 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2020-11-28 02:59:20,606 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2020-11-28 02:59:21,175 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-11-28 02:59:21,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:21,185 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:59:21,185 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L961(lines 956 964) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~waterLevel~0 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:21,186 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L961-1(lines 956 964) the Hoare annotation is: false [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L961-2(lines 956 964) the Hoare annotation is: false [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L565(lines 565 571) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 1) .cse0 (= ~methaneLevelCritical~0 0) (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: false [2020-11-28 02:59:21,186 INFO L274 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L565-2(lines 565 571) the Hoare annotation is: false [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L499-1(lines 499 505) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse6) .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse6 (<= 2 ~waterLevel~0) .cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse5))) [2020-11-28 02:59:21,186 INFO L270 CegarLoopResult]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:21,187 INFO L270 CegarLoopResult]: At program point L535(lines 488 536) the Hoare annotation is: false [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-2(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-3(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-5(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-6(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-8(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-9(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-11(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-12(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-14(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,187 INFO L274 CegarLoopResult]: For program point L736-15(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L736-17(lines 736 740) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L869(lines 869 873) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L970-2(line 970) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L274 CegarLoopResult]: For program point L509(lines 509 515) no Hoare annotation was computed. [2020-11-28 02:59:21,188 INFO L270 CegarLoopResult]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-28 02:59:21,188 INFO L270 CegarLoopResult]: At program point L906(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,188 INFO L270 CegarLoopResult]: At program point L906-1(lines 901 909) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not .cse2) (not .cse3) .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-2(lines 901 909) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) (not .cse3) .cse6 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 .cse2 .cse3 .cse6 .cse4 .cse5))) [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-3(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-4(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-5(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-6(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-7(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L906-8(lines 901 909) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L742(lines 727 745) the Hoare annotation is: false [2020-11-28 02:59:21,189 INFO L270 CegarLoopResult]: At program point L742-1(lines 727 745) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2020-11-28 02:59:21,190 INFO L270 CegarLoopResult]: At program point L742-2(lines 727 745) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L742-3(lines 727 745) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L742-4(lines 727 745) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L742-5(lines 727 745) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L777-2(lines 777 791) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L678(lines 671 681) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L678-1(lines 671 681) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (not .cse2) (not .cse3) .cse4 .cse5 .cse6 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse7))) [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L678-2(lines 671 681) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L678-3(lines 671 681) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L678-4(lines 671 681) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L270 CegarLoopResult]: At program point L678-5(lines 671 681) the Hoare annotation is: false [2020-11-28 02:59:21,191 INFO L274 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-11-28 02:59:21,192 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:59:21,192 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-11-28 02:59:21,192 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 973) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse6) .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse6 (<= 2 ~waterLevel~0) .cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse5))) [2020-11-28 02:59:21,192 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-11-28 02:59:21,192 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 973) the Hoare annotation is: false [2020-11-28 02:59:21,192 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-11-28 02:59:21,192 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 973) the Hoare annotation is: false [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L946-1(lines 946 952) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L946-2(lines 946 952) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L946-3(lines 946 952) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L946-4(lines 946 952) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L946-5(lines 946 952) no Hoare annotation was computed. [2020-11-28 02:59:21,193 INFO L274 CegarLoopResult]: For program point L781-1(lines 558 564) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L616-1(lines 616 633) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L616-2(lines 616 633) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L277 CegarLoopResult]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L519(lines 519 530) no Hoare annotation was computed. [2020-11-28 02:59:21,194 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L653(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L620-1(lines 620 628) no Hoare annotation was computed. [2020-11-28 02:59:21,195 INFO L274 CegarLoopResult]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2020-11-28 02:59:21,196 INFO L274 CegarLoopResult]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:59:21,196 INFO L274 CegarLoopResult]: For program point L653-6(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:59:21,196 INFO L274 CegarLoopResult]: For program point L653-8(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:59:21,196 INFO L274 CegarLoopResult]: For program point L653-10(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:59:21,196 INFO L270 CegarLoopResult]: At program point L951(lines 942 955) the Hoare annotation is: false [2020-11-28 02:59:21,196 INFO L270 CegarLoopResult]: At program point L951-1(lines 942 955) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-11-28 02:59:21,196 INFO L270 CegarLoopResult]: At program point L951-2(lines 942 955) the Hoare annotation is: false [2020-11-28 02:59:21,197 INFO L270 CegarLoopResult]: At program point L951-3(lines 942 955) the Hoare annotation is: false [2020-11-28 02:59:21,197 INFO L270 CegarLoopResult]: At program point L951-4(lines 942 955) the Hoare annotation is: false [2020-11-28 02:59:21,197 INFO L270 CegarLoopResult]: At program point L951-5(lines 942 955) the Hoare annotation is: false [2020-11-28 02:59:21,197 INFO L270 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (not (= ~methaneLevelCritical~0 0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:21,197 INFO L270 CegarLoopResult]: At program point L687-1(lines 682 690) the Hoare annotation is: false [2020-11-28 02:59:21,197 INFO L270 CegarLoopResult]: At program point L687-2(lines 682 690) the Hoare annotation is: false [2020-11-28 02:59:21,197 INFO L274 CegarLoopResult]: For program point L490(lines 489 534) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L755-2(lines 755 759) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L755-3(lines 755 759) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L590(lines 590 607) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L755-5(lines 755 759) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L590-1(lines 590 607) no Hoare annotation was computed. [2020-11-28 02:59:21,198 INFO L274 CegarLoopResult]: For program point L755-6(lines 755 759) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L274 CegarLoopResult]: For program point L590-2(lines 590 607) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L274 CegarLoopResult]: For program point L590-3(lines 590 607) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L274 CegarLoopResult]: For program point L755-8(lines 755 759) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L274 CegarLoopResult]: For program point L590-4(lines 590 607) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L274 CegarLoopResult]: For program point L590-5(lines 590 607) no Hoare annotation was computed. [2020-11-28 02:59:21,199 INFO L270 CegarLoopResult]: At program point L558(lines 557 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 1) .cse0 (not (= ~waterLevel~0 0)) .cse1 .cse2))) [2020-11-28 02:59:21,200 INFO L274 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-11-28 02:59:21,200 INFO L274 CegarLoopResult]: For program point L558-1(lines 558 564) no Hoare annotation was computed. [2020-11-28 02:59:21,200 INFO L270 CegarLoopResult]: At program point L558-2(lines 557 576) the Hoare annotation is: false [2020-11-28 02:59:21,200 INFO L274 CegarLoopResult]: For program point L525-2(lines 558 564) no Hoare annotation was computed. [2020-11-28 02:59:21,200 INFO L270 CegarLoopResult]: At program point L558-3(lines 557 576) the Hoare annotation is: false [2020-11-28 02:59:21,200 INFO L270 CegarLoopResult]: At program point L96(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:59:21,200 INFO L277 CegarLoopResult]: At program point L857(lines 838 860) the Hoare annotation is: true [2020-11-28 02:59:21,201 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:59:21,201 INFO L270 CegarLoopResult]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:21,201 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:21,201 INFO L274 CegarLoopResult]: For program point L594(lines 594 602) no Hoare annotation was computed. [2020-11-28 02:59:21,201 INFO L274 CegarLoopResult]: For program point L594-1(lines 594 602) no Hoare annotation was computed. [2020-11-28 02:59:21,201 INFO L274 CegarLoopResult]: For program point L594-2(lines 594 602) no Hoare annotation was computed. [2020-11-28 02:59:21,201 INFO L274 CegarLoopResult]: For program point L594-3(lines 594 602) no Hoare annotation was computed. [2020-11-28 02:59:21,202 INFO L274 CegarLoopResult]: For program point L594-4(lines 594 602) no Hoare annotation was computed. [2020-11-28 02:59:21,202 INFO L274 CegarLoopResult]: For program point L594-5(lines 594 602) no Hoare annotation was computed. [2020-11-28 02:59:21,202 INFO L274 CegarLoopResult]: For program point L893(lines 893 897) no Hoare annotation was computed. [2020-11-28 02:59:21,202 INFO L270 CegarLoopResult]: At program point L761(lines 746 764) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (not (= ~waterLevel~0 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:21,202 INFO L270 CegarLoopResult]: At program point L761-1(lines 746 764) the Hoare annotation is: false [2020-11-28 02:59:21,202 INFO L270 CegarLoopResult]: At program point L761-2(lines 746 764) the Hoare annotation is: false [2020-11-28 02:59:21,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:21 BoogieIcfgContainer [2020-11-28 02:59:21,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:21,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:21,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:21,234 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:21,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:08" (3/4) ... [2020-11-28 02:59:21,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:21,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:59:21,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:59:21,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:59:21,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:59:21,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:59:21,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:21,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:21,295 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-28 02:59:21,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-28 02:59:21,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) [2020-11-28 02:59:21,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) [2020-11-28 02:59:21,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && \result == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:21,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:21,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 1 && tmp == 1) && \result == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:21,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:59:21,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-11-28 02:59:21,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6a9e6504-95d7-4fa6-895d-321958b32afa/bin/uautomizer/witness.graphml [2020-11-28 02:59:21,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:21,429 INFO L168 Benchmark]: Toolchain (without parser) took 15181.91 ms. Allocated memory was 125.8 MB in the beginning and 268.4 MB in the end (delta: 142.6 MB). Free memory was 92.4 MB in the beginning and 93.8 MB in the end (delta: -1.4 MB). Peak memory consumption was 140.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,429 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:21,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.56 ms. Allocated memory is still 125.8 MB. Free memory was 92.1 MB in the beginning and 89.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.91 ms. Allocated memory is still 125.8 MB. Free memory was 89.9 MB in the beginning and 85.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,431 INFO L168 Benchmark]: Boogie Preprocessor took 59.54 ms. Allocated memory is still 125.8 MB. Free memory was 85.7 MB in the beginning and 83.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,431 INFO L168 Benchmark]: RCFGBuilder took 1336.34 ms. Allocated memory is still 125.8 MB. Free memory was 82.3 MB in the beginning and 78.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,431 INFO L168 Benchmark]: TraceAbstraction took 12887.34 ms. Allocated memory was 125.8 MB in the beginning and 268.4 MB in the end (delta: 142.6 MB). Free memory was 77.6 MB in the beginning and 106.4 MB in the end (delta: -28.8 MB). Peak memory consumption was 143.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,432 INFO L168 Benchmark]: Witness Printer took 192.93 ms. Allocated memory is still 268.4 MB. Free memory was 106.4 MB in the beginning and 93.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:21,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.56 ms. Allocated memory is still 125.8 MB. Free memory was 92.1 MB in the beginning and 89.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.91 ms. Allocated memory is still 125.8 MB. Free memory was 89.9 MB in the beginning and 85.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.54 ms. Allocated memory is still 125.8 MB. Free memory was 85.7 MB in the beginning and 83.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1336.34 ms. Allocated memory is still 125.8 MB. Free memory was 82.3 MB in the beginning and 78.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12887.34 ms. Allocated memory was 125.8 MB in the beginning and 268.4 MB in the end (delta: 142.6 MB). Free memory was 77.6 MB in the beginning and 106.4 MB in the end (delta: -28.8 MB). Peak memory consumption was 143.5 MB. Max. memory is 16.1 GB. * Witness Printer took 192.93 ms. Allocated memory is still 268.4 MB. Free memory was 106.4 MB in the beginning and 93.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && \result == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 1 && tmp == 1) && \result == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == systemActive && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && \result == 1) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && 1 == systemActive) && !(waterLevel == 0)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1411 SDtfs, 2351 SDslu, 2534 SDs, 0 SdLazy, 341 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1464 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 660 HoareAnnotationTreeSize, 54 FomulaSimplifications, 2619992 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 441389 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 25368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...