./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.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_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/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 df4aa9904b22b6376014a77f575431b8f0cedef3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:49,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:49,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:49,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:49,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:49,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:49,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:49,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:49,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:49,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:49,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:49,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:49,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:49,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:49,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:49,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:49,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:49,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:49,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:49,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:49,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:49,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:49,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:49,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:49,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:49,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:49,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:49,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:49,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:49,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:49,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:49,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:49,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:49,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:49,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:49,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:49,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:49,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:49,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:49,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:49,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:49,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:18:49,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:49,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:49,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:49,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:49,950 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:49,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:49,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:49,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:49,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:49,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:49,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:18:49,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:49,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:18:49,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:49,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:49,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:49,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:18:49,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:49,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:49,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:49,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:49,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:49,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:49,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:49,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:18:49,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:49,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:18:49,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:18:49,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:49,958 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_0816a728-5154-4603-afb9-2ee6cf659924/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4aa9904b22b6376014a77f575431b8f0cedef3 [2020-11-28 03:18:50,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:50,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:50,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:50,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:50,255 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:50,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2020-11-28 03:18:50,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/data/5dd943fa6/dd417935d194463fa2009da70fbbd6bf/FLAG3101badf4 [2020-11-28 03:18:50,847 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:50,854 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2020-11-28 03:18:50,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/data/5dd943fa6/dd417935d194463fa2009da70fbbd6bf/FLAG3101badf4 [2020-11-28 03:18:51,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/data/5dd943fa6/dd417935d194463fa2009da70fbbd6bf [2020-11-28 03:18:51,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:51,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:51,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:51,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:51,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:51,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9c503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51, skipping insertion in model container [2020-11-28 03:18:51,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:51,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:51,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:51,524 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:51,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:51,630 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:51,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51 WrapperNode [2020-11-28 03:18:51,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:51,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:51,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:51,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:51,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:51,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:51,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:51,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:51,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:51,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:51,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:51,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:51,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:18:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:53,177 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:53,178 INFO L298 CfgBuilder]: Removed 284 assume(true) statements. [2020-11-28 03:18:53,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:53 BoogieIcfgContainer [2020-11-28 03:18:53,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:53,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:18:53,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:18:53,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:18:53,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:51" (1/3) ... [2020-11-28 03:18:53,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b63bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:53, skipping insertion in model container [2020-11-28 03:18:53,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51" (2/3) ... [2020-11-28 03:18:53,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b63bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:53, skipping insertion in model container [2020-11-28 03:18:53,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:53" (3/3) ... [2020-11-28 03:18:53,188 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-11-28 03:18:53,199 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:18:53,203 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:18:53,215 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:18:53,243 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:18:53,243 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:18:53,243 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:18:53,243 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:53,243 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:53,243 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:18:53,243 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:53,244 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:18:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-11-28 03:18:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:18:53,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:53,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:53,287 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:53,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:53,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1170061052, now seen corresponding path program 1 times [2020-11-28 03:18:53,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:53,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886376598] [2020-11-28 03:18:53,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:53,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886376598] [2020-11-28 03:18:53,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:53,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:53,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357719661] [2020-11-28 03:18:53,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:18:53,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:53,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:18:53,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:18:53,587 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-11-28 03:18:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:53,652 INFO L93 Difference]: Finished difference Result 382 states and 585 transitions. [2020-11-28 03:18:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:18:53,653 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:18:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:53,667 INFO L225 Difference]: With dead ends: 382 [2020-11-28 03:18:53,668 INFO L226 Difference]: Without dead ends: 189 [2020-11-28 03:18:53,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:18:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-11-28 03:18:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-11-28 03:18:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-11-28 03:18:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2020-11-28 03:18:53,734 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2020-11-28 03:18:53,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:53,734 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2020-11-28 03:18:53,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:18:53,735 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2020-11-28 03:18:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:18:53,736 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:53,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:53,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:18:53,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:53,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1388897021, now seen corresponding path program 1 times [2020-11-28 03:18:53,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:53,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441669951] [2020-11-28 03:18:53,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:53,854 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 03:18:53,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441669951] [2020-11-28 03:18:53,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:53,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:18:53,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566889574] [2020-11-28 03:18:53,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:53,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:53,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:53,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:53,858 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 3 states. [2020-11-28 03:18:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:53,874 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2020-11-28 03:18:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:53,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:18:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:53,876 INFO L225 Difference]: With dead ends: 189 [2020-11-28 03:18:53,876 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:18:53,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:18:53,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 03:18:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 03:18:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-11-28 03:18:53,889 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2020-11-28 03:18:53,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:53,889 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-11-28 03:18:53,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-11-28 03:18:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:18:53,890 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:53,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:53,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:18:53,891 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:53,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:53,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1277587638, now seen corresponding path program 1 times [2020-11-28 03:18:53,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:53,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871011188] [2020-11-28 03:18:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:54,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871011188] [2020-11-28 03:18:54,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:54,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:54,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560550612] [2020-11-28 03:18:54,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:54,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:54,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:54,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:54,006 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-11-28 03:18:54,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:54,025 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2020-11-28 03:18:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:54,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:18:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:54,030 INFO L225 Difference]: With dead ends: 139 [2020-11-28 03:18:54,030 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:18:54,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:18:54,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 03:18:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 03:18:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2020-11-28 03:18:54,043 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2020-11-28 03:18:54,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:54,044 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2020-11-28 03:18:54,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2020-11-28 03:18:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:18:54,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:54,045 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] [2020-11-28 03:18:54,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:18:54,046 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:54,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:54,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1954298508, now seen corresponding path program 1 times [2020-11-28 03:18:54,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:54,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80437680] [2020-11-28 03:18:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:54,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80437680] [2020-11-28 03:18:54,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:54,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:54,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883751196] [2020-11-28 03:18:54,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:54,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:54,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:54,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:54,198 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2020-11-28 03:18:54,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:54,284 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2020-11-28 03:18:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:54,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-28 03:18:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:54,286 INFO L225 Difference]: With dead ends: 149 [2020-11-28 03:18:54,286 INFO L226 Difference]: Without dead ends: 83 [2020-11-28 03:18:54,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:54,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-28 03:18:54,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2020-11-28 03:18:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-28 03:18:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2020-11-28 03:18:54,294 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2020-11-28 03:18:54,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:54,295 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2020-11-28 03:18:54,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-28 03:18:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:18:54,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:54,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:54,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:18:54,301 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:54,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:54,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1238499427, now seen corresponding path program 1 times [2020-11-28 03:18:54,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:54,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327204327] [2020-11-28 03:18:54,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:54,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327204327] [2020-11-28 03:18:54,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:54,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:18:54,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418098800] [2020-11-28 03:18:54,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:54,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:54,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:54,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:54,430 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2020-11-28 03:18:54,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:54,582 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2020-11-28 03:18:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:18:54,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:18:54,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:54,584 INFO L225 Difference]: With dead ends: 211 [2020-11-28 03:18:54,584 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 03:18:54,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:18:54,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 03:18:54,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 90. [2020-11-28 03:18:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-11-28 03:18:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 124 transitions. [2020-11-28 03:18:54,601 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 124 transitions. Word has length 33 [2020-11-28 03:18:54,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:54,602 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 124 transitions. [2020-11-28 03:18:54,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2020-11-28 03:18:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:18:54,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:54,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:54,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:18:54,603 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:54,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:54,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2123004160, now seen corresponding path program 1 times [2020-11-28 03:18:54,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:54,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067236584] [2020-11-28 03:18:54,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:54,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067236584] [2020-11-28 03:18:54,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:54,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:54,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048137583] [2020-11-28 03:18:54,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:54,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:54,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:54,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:54,728 INFO L87 Difference]: Start difference. First operand 90 states and 124 transitions. Second operand 5 states. [2020-11-28 03:18:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:54,858 INFO L93 Difference]: Finished difference Result 436 states and 609 transitions. [2020-11-28 03:18:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:18:54,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:18:54,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:54,862 INFO L225 Difference]: With dead ends: 436 [2020-11-28 03:18:54,862 INFO L226 Difference]: Without dead ends: 353 [2020-11-28 03:18:54,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:18:54,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-11-28 03:18:54,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 165. [2020-11-28 03:18:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-11-28 03:18:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2020-11-28 03:18:54,899 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 33 [2020-11-28 03:18:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:54,903 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2020-11-28 03:18:54,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2020-11-28 03:18:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:18:54,909 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:54,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:54,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:18:54,909 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:54,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash -2127856776, now seen corresponding path program 1 times [2020-11-28 03:18:54,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:54,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685075608] [2020-11-28 03:18:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:54,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685075608] [2020-11-28 03:18:54,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:54,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:54,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303234411] [2020-11-28 03:18:54,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:54,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:54,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:54,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:54,985 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand 5 states. [2020-11-28 03:18:55,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:55,170 INFO L93 Difference]: Finished difference Result 628 states and 863 transitions. [2020-11-28 03:18:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:18:55,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 03:18:55,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:55,174 INFO L225 Difference]: With dead ends: 628 [2020-11-28 03:18:55,174 INFO L226 Difference]: Without dead ends: 470 [2020-11-28 03:18:55,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:18:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-11-28 03:18:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2020-11-28 03:18:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-28 03:18:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2020-11-28 03:18:55,206 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2020-11-28 03:18:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:55,208 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2020-11-28 03:18:55,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2020-11-28 03:18:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:18:55,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:55,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:55,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:18:55,213 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:55,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1934711389, now seen corresponding path program 1 times [2020-11-28 03:18:55,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:55,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491340269] [2020-11-28 03:18:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:55,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491340269] [2020-11-28 03:18:55,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:55,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:55,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029573342] [2020-11-28 03:18:55,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:18:55,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:55,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:18:55,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:18:55,274 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 4 states. [2020-11-28 03:18:55,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:55,349 INFO L93 Difference]: Finished difference Result 391 states and 527 transitions. [2020-11-28 03:18:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:18:55,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-28 03:18:55,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:55,352 INFO L225 Difference]: With dead ends: 391 [2020-11-28 03:18:55,352 INFO L226 Difference]: Without dead ends: 234 [2020-11-28 03:18:55,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:55,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-11-28 03:18:55,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 176. [2020-11-28 03:18:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-28 03:18:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2020-11-28 03:18:55,372 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2020-11-28 03:18:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:55,372 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2020-11-28 03:18:55,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:18:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2020-11-28 03:18:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:18:55,374 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:55,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:55,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:18:55,375 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:55,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:55,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1347905375, now seen corresponding path program 1 times [2020-11-28 03:18:55,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:55,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757266299] [2020-11-28 03:18:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:55,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757266299] [2020-11-28 03:18:55,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:55,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:55,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395484344] [2020-11-28 03:18:55,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:55,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:55,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:55,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:55,445 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 3 states. [2020-11-28 03:18:55,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:55,496 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2020-11-28 03:18:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:55,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:18:55,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:55,498 INFO L225 Difference]: With dead ends: 397 [2020-11-28 03:18:55,498 INFO L226 Difference]: Without dead ends: 228 [2020-11-28 03:18:55,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:55,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-11-28 03:18:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-11-28 03:18:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-11-28 03:18:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2020-11-28 03:18:55,533 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2020-11-28 03:18:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:55,534 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2020-11-28 03:18:55,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2020-11-28 03:18:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 03:18:55,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:55,536 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 03:18:55,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:18:55,536 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:55,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:55,537 INFO L82 PathProgramCache]: Analyzing trace with hash -48040801, now seen corresponding path program 1 times [2020-11-28 03:18:55,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:55,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114597551] [2020-11-28 03:18:55,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:55,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114597551] [2020-11-28 03:18:55,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:55,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:18:55,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570004465] [2020-11-28 03:18:55,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:55,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:55,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:55,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:55,592 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2020-11-28 03:18:55,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:55,638 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2020-11-28 03:18:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:55,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-11-28 03:18:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:55,643 INFO L225 Difference]: With dead ends: 365 [2020-11-28 03:18:55,643 INFO L226 Difference]: Without dead ends: 363 [2020-11-28 03:18:55,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-11-28 03:18:55,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2020-11-28 03:18:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 03:18:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2020-11-28 03:18:55,667 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2020-11-28 03:18:55,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:55,667 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2020-11-28 03:18:55,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:55,668 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2020-11-28 03:18:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 03:18:55,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:55,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:55,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:18:55,670 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:55,670 INFO L82 PathProgramCache]: Analyzing trace with hash 550918966, now seen corresponding path program 1 times [2020-11-28 03:18:55,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:55,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931973170] [2020-11-28 03:18:55,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:55,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931973170] [2020-11-28 03:18:55,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959039731] [2020-11-28 03:18:55,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:18:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:55,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:56,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:18:56,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:18:56,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280276546] [2020-11-28 03:18:56,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:56,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:56,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:56,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:56,030 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand 3 states. [2020-11-28 03:18:56,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:56,139 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2020-11-28 03:18:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:56,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-28 03:18:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:56,143 INFO L225 Difference]: With dead ends: 436 [2020-11-28 03:18:56,143 INFO L226 Difference]: Without dead ends: 213 [2020-11-28 03:18:56,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:56,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-28 03:18:56,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2020-11-28 03:18:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-11-28 03:18:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2020-11-28 03:18:56,166 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2020-11-28 03:18:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:56,167 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2020-11-28 03:18:56,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2020-11-28 03:18:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 03:18:56,168 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:56,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:56,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-28 03:18:56,376 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:56,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,376 INFO L82 PathProgramCache]: Analyzing trace with hash 800050596, now seen corresponding path program 1 times [2020-11-28 03:18:56,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655323828] [2020-11-28 03:18:56,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:18:56,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655323828] [2020-11-28 03:18:56,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:56,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:18:56,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772455700] [2020-11-28 03:18:56,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:18:56,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:56,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:18:56,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:18:56,467 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand 6 states. [2020-11-28 03:18:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:56,782 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2020-11-28 03:18:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:18:56,783 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-11-28 03:18:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:56,783 INFO L225 Difference]: With dead ends: 678 [2020-11-28 03:18:56,783 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:18:56,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:18:56,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:18:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:18:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:18:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:18:56,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-11-28 03:18:56,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:56,786 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:56,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:18:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:56,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:18:56,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:18:56,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:18:56,933 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-11-28 03:18:57,277 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-11-28 03:18:57,388 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2020-11-28 03:18:57,802 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2020-11-28 03:18:58,009 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2020-11-28 03:18:58,138 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2020-11-28 03:18:58,418 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-11-28 03:18:58,746 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-11-28 03:18:59,089 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 21 [2020-11-28 03:18:59,469 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 23 [2020-11-28 03:18:59,818 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-11-28 03:19:00,055 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2020-11-28 03:19:00,061 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:00,061 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:19:00,061 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:19:00,061 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:19:00,061 INFO L270 CegarLoopResult]: At program point L631(lines 624 634) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2))) [2020-11-28 03:19:00,062 INFO L270 CegarLoopResult]: At program point L631-1(lines 624 634) the Hoare annotation is: false [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L565(lines 565 573) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L270 CegarLoopResult]: At program point L631-2(lines 624 634) the Hoare annotation is: false [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L565-1(lines 565 573) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L565-2(lines 565 573) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L565-3(lines 565 573) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L565-4(lines 565 573) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L565-5(lines 565 573) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L865(lines 865 869) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L865-3(lines 865 869) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L865-6(lines 865 869) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L535(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,062 INFO L274 CegarLoopResult]: For program point L535-1(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-2(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-3(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-4(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-5(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-6(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-7(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-8(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-9(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-10(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L274 CegarLoopResult]: For program point L535-11(lines 535 552) no Hoare annotation was computed. [2020-11-28 03:19:00,063 INFO L270 CegarLoopResult]: At program point L503(lines 502 521) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3 .cse6) (and .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse1 .cse0 .cse3))) [2020-11-28 03:19:00,064 INFO L274 CegarLoopResult]: For program point L503-1(lines 503 509) no Hoare annotation was computed. [2020-11-28 03:19:00,064 INFO L270 CegarLoopResult]: At program point L503-2(lines 502 521) the Hoare annotation is: false [2020-11-28 03:19:00,064 INFO L270 CegarLoopResult]: At program point L503-3(lines 502 521) the Hoare annotation is: false [2020-11-28 03:19:00,064 INFO L274 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-11-28 03:19:00,064 INFO L270 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse4) (and .cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse2 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5))) [2020-11-28 03:19:00,064 INFO L274 CegarLoopResult]: For program point L736(lines 736 753) no Hoare annotation was computed. [2020-11-28 03:19:00,064 INFO L270 CegarLoopResult]: At program point L736-1(lines 1 995) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse4) (and .cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse2 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5))) [2020-11-28 03:19:00,065 INFO L270 CegarLoopResult]: At program point L769-2(lines 769 783) the Hoare annotation is: false [2020-11-28 03:19:00,065 INFO L274 CegarLoopResult]: For program point L736-2(lines 736 753) no Hoare annotation was computed. [2020-11-28 03:19:00,065 INFO L270 CegarLoopResult]: At program point L736-3(lines 1 995) the Hoare annotation is: false [2020-11-28 03:19:00,065 INFO L274 CegarLoopResult]: For program point L736-4(lines 736 753) no Hoare annotation was computed. [2020-11-28 03:19:00,065 INFO L270 CegarLoopResult]: At program point L736-5(lines 1 995) the Hoare annotation is: false [2020-11-28 03:19:00,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:00,065 INFO L270 CegarLoopResult]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2))) [2020-11-28 03:19:00,065 INFO L270 CegarLoopResult]: At program point L902-1(lines 897 905) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse7 .cse1 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse6 .cse7 .cse1 .cse5 .cse4))) [2020-11-28 03:19:00,066 INFO L270 CegarLoopResult]: At program point L902-2(lines 897 905) the Hoare annotation is: false [2020-11-28 03:19:00,066 INFO L270 CegarLoopResult]: At program point L902-3(lines 897 905) the Hoare annotation is: false [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-11-28 03:19:00,066 INFO L270 CegarLoopResult]: At program point L902-4(lines 897 905) the Hoare annotation is: false [2020-11-28 03:19:00,066 INFO L270 CegarLoopResult]: At program point L902-5(lines 897 905) the Hoare annotation is: false [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L539(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L539-1(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L539-2(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L539-3(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L539-4(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,066 INFO L274 CegarLoopResult]: For program point L539-5(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L274 CegarLoopResult]: For program point L539-6(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L274 CegarLoopResult]: For program point L539-7(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L274 CegarLoopResult]: For program point L539-8(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L274 CegarLoopResult]: For program point L539-9(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L274 CegarLoopResult]: For program point L539-10(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L274 CegarLoopResult]: For program point L539-11(lines 539 547) no Hoare annotation was computed. [2020-11-28 03:19:00,067 INFO L270 CegarLoopResult]: At program point L111(lines 64 112) the Hoare annotation is: false [2020-11-28 03:19:00,067 INFO L270 CegarLoopResult]: At program point L640(lines 635 643) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse3))) [2020-11-28 03:19:00,067 INFO L270 CegarLoopResult]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2020-11-28 03:19:00,067 INFO L270 CegarLoopResult]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L740(lines 740 750) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L773-1(lines 503 509) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L740-2(lines 740 750) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L740-4(lines 740 750) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L741(lines 741 747) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L708(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L741-2(lines 741 747) no Hoare annotation was computed. [2020-11-28 03:19:00,068 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L708-3(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L741-4(lines 741 747) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L708-5(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L270 CegarLoopResult]: At program point L510(lines 510 516) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse0 .cse3))) [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L708-6(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L270 CegarLoopResult]: At program point L510-1(lines 510 516) the Hoare annotation is: false [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L708-8(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L270 CegarLoopResult]: At program point L510-2(lines 510 516) the Hoare annotation is: false [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L708-9(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,069 INFO L274 CegarLoopResult]: For program point L708-11(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L708-12(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L708-14(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L708-15(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L708-17(lines 708 712) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-1(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-3(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-4(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-5(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-6(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,070 INFO L274 CegarLoopResult]: For program point L942-7(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L942-8(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L942-9(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L942-10(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L942-11(lines 942 948) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L877(lines 877 881) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L277 CegarLoopResult]: At program point L844-1(lines 844 851) the Hoare annotation is: true [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-28 03:19:00,071 INFO L270 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse6 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse0 .cse3))) [2020-11-28 03:19:00,071 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L714(lines 699 717) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L714-1(lines 699 717) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L714-2(lines 699 717) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L714-3(lines 699 717) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L714-4(lines 699 717) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L714-5(lines 699 717) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L947(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L947-1(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,072 INFO L270 CegarLoopResult]: At program point L947-2(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-3(lines 938 951) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)))) [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-4(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-5(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-6(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-7(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-8(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-9(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-10(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L947-11(lines 938 951) the Hoare annotation is: false [2020-11-28 03:19:00,073 INFO L270 CegarLoopResult]: At program point L817(lines 813 819) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:00,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L587(lines 587 604) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L587-1(lines 587 604) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L587-2(lines 587 604) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L270 CegarLoopResult]: At program point L984(lines 1 995) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:00,074 INFO L277 CegarLoopResult]: At program point L853(lines 834 856) the Hoare annotation is: true [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L689-2(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L689-3(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L689-5(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,074 INFO L274 CegarLoopResult]: For program point L689-6(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-8(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-9(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-11(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-12(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-14(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-15(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-17(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L95(lines 95 106) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-18(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-20(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-21(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,075 INFO L274 CegarLoopResult]: For program point L689-23(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-24(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-26(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-27(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-29(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-30(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-32(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-33(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L591-1(lines 591 599) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L689-35(lines 689 693) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2020-11-28 03:19:00,076 INFO L274 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L725(lines 720 727) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:00,077 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L957(lines 952 960) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L957-1(lines 952 960) the Hoare annotation is: false [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L957-2(lines 952 960) the Hoare annotation is: false [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L957-3(lines 952 960) the Hoare annotation is: false [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L957-4(lines 952 960) the Hoare annotation is: false [2020-11-28 03:19:00,077 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:00,077 INFO L270 CegarLoopResult]: At program point L957-5(lines 952 960) the Hoare annotation is: false [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L561(lines 561 578) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L561-1(lines 561 578) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L561-2(lines 561 578) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L561-3(lines 561 578) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L561-4(lines 561 578) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L561-5(lines 561 578) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L66(lines 65 110) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 03:19:00,078 INFO L270 CegarLoopResult]: At program point L992(lines 987 995) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:00,078 INFO L270 CegarLoopResult]: At program point L695(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,078 INFO L270 CegarLoopResult]: At program point L695-1(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,078 INFO L270 CegarLoopResult]: At program point L695-2(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,078 INFO L270 CegarLoopResult]: At program point L695-3(lines 680 698) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-11-28 03:19:00,078 INFO L270 CegarLoopResult]: At program point L695-4(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-5(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-6(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-7(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-8(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-9(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-10(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L270 CegarLoopResult]: At program point L695-11(lines 680 698) the Hoare annotation is: false [2020-11-28 03:19:00,079 INFO L274 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-11-28 03:19:00,079 INFO L274 CegarLoopResult]: For program point L101-2(lines 503 509) no Hoare annotation was computed. [2020-11-28 03:19:00,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:00 BoogieIcfgContainer [2020-11-28 03:19:00,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:00,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:00,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:00,131 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:00,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:53" (3/4) ... [2020-11-28 03:19:00,142 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:19:00,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:19:00,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:19:00,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:19:00,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:19:00,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:19:00,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:00,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:00,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 03:19:00,227 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 03:19:00,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) [2020-11-28 03:19:00,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) [2020-11-28 03:19:00,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:19:00,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) [2020-11-28 03:19:00,241 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) [2020-11-28 03:19:00,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:19:00,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 03:19:00,246 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:19:00,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-28 03:19:00,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-28 03:19:00,372 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0816a728-5154-4603-afb9-2ee6cf659924/bin/uautomizer/witness.graphml [2020-11-28 03:19:00,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:00,374 INFO L168 Benchmark]: Toolchain (without parser) took 9206.63 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 64.9 MB in the beginning and 37.1 MB in the end (delta: 27.8 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,374 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:00,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.17 ms. Allocated memory is still 83.9 MB. Free memory was 64.6 MB in the beginning and 51.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 83.9 MB. Free memory was 51.1 MB in the beginning and 46.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,375 INFO L168 Benchmark]: Boogie Preprocessor took 87.17 ms. Allocated memory is still 83.9 MB. Free memory was 46.0 MB in the beginning and 42.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,376 INFO L168 Benchmark]: RCFGBuilder took 1386.18 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 42.4 MB in the beginning and 44.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,376 INFO L168 Benchmark]: TraceAbstraction took 6948.35 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 43.5 MB in the beginning and 52.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,377 INFO L168 Benchmark]: Witness Printer took 242.06 ms. Allocated memory is still 130.0 MB. Free memory was 52.8 MB in the beginning and 37.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:00,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 461.17 ms. Allocated memory is still 83.9 MB. Free memory was 64.6 MB in the beginning and 51.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 83.9 MB. Free memory was 51.1 MB in the beginning and 46.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.17 ms. Allocated memory is still 83.9 MB. Free memory was 46.0 MB in the beginning and 42.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1386.18 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 42.4 MB in the beginning and 44.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6948.35 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 43.5 MB in the beginning and 52.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Witness Printer took 242.06 ms. Allocated memory is still 130.0 MB. Free memory was 52.8 MB in the beginning and 37.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 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: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 196 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1489 SDtfs, 1401 SDslu, 1909 SDs, 0 SdLazy, 269 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=10, 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, 682 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 229 NumberOfFragments, 774 HoareAnnotationTreeSize, 67 FomulaSimplifications, 95578 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 11650 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 461 ConstructedInterpolants, 0 QuantifiedInterpolants, 39108 SizeOfPredicates, 1 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 58/67 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...