./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.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_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/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 cd72c57a95195c6db69021eb34c8125c134b3812 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:14:37,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:37,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:37,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:37,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:37,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:37,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:37,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:37,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:37,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:37,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:37,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:37,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:37,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:37,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:37,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:37,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:37,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:37,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:37,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:37,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:37,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:37,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:37,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:37,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:37,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:37,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:37,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:37,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:37,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:37,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:37,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:37,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:37,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:37,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:37,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:37,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:37,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:37,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:37,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:37,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:37,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:14:37,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:37,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:37,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:37,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:37,980 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:37,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:37,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:37,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:37,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:37,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:37,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:37,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:37,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:37,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:37,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:37,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:37,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:37,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:37,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:37,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:37,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:37,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:37,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:37,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:37,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:37,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:37,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:37,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:37,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:37,985 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_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd72c57a95195c6db69021eb34c8125c134b3812 [2020-11-28 03:14:38,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:38,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:38,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:38,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:38,250 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:38,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-11-28 03:14:38,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/data/3b37d835e/2236da1c39534ec4ad982b00d3534780/FLAGd24256edd [2020-11-28 03:14:38,909 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:38,910 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-11-28 03:14:38,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/data/3b37d835e/2236da1c39534ec4ad982b00d3534780/FLAGd24256edd [2020-11-28 03:14:39,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/data/3b37d835e/2236da1c39534ec4ad982b00d3534780 [2020-11-28 03:14:39,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:39,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:39,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:39,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:39,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:39,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715e72e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39, skipping insertion in model container [2020-11-28 03:14:39,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:39,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:39,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:39,571 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:39,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:39,723 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:39,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39 WrapperNode [2020-11-28 03:14:39,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:39,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:39,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:39,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:39,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:39,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:39,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:39,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:39,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... [2020-11-28 03:14:39,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:39,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:39,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:39,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:39,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/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 03:14:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:40,957 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:40,957 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-28 03:14:40,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:40 BoogieIcfgContainer [2020-11-28 03:14:40,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:40,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:40,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:40,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:40,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:39" (1/3) ... [2020-11-28 03:14:40,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a102fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:40, skipping insertion in model container [2020-11-28 03:14:40,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:39" (2/3) ... [2020-11-28 03:14:40,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a102fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:40, skipping insertion in model container [2020-11-28 03:14:40,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:40" (3/3) ... [2020-11-28 03:14:40,967 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2020-11-28 03:14:40,977 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:40,984 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:14:40,996 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:14:41,036 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:41,037 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:14:41,037 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:41,037 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:41,037 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:41,037 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:41,037 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:41,037 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-11-28 03:14:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:14:41,069 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:41,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:41,070 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash -738998692, now seen corresponding path program 1 times [2020-11-28 03:14:41,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:41,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817385654] [2020-11-28 03:14:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:41,412 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 03:14:41,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817385654] [2020-11-28 03:14:41,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:41,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:41,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066333378] [2020-11-28 03:14:41,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:14:41,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:41,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:14:41,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:14:41,437 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-11-28 03:14:41,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:41,505 INFO L93 Difference]: Finished difference Result 271 states and 404 transitions. [2020-11-28 03:14:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:14:41,506 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:14:41,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:41,524 INFO L225 Difference]: With dead ends: 271 [2020-11-28 03:14:41,524 INFO L226 Difference]: Without dead ends: 133 [2020-11-28 03:14:41,527 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 03:14:41,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-28 03:14:41,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-11-28 03:14:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-11-28 03:14:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-11-28 03:14:41,582 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-11-28 03:14:41,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:41,583 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-11-28 03:14:41,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:14:41,584 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-11-28 03:14:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:14:41,586 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:41,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:41,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:14:41,587 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:41,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1785755589, now seen corresponding path program 1 times [2020-11-28 03:14:41,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:41,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39868609] [2020-11-28 03:14:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:41,737 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 03:14:41,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39868609] [2020-11-28 03:14:41,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:41,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:41,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936817564] [2020-11-28 03:14:41,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:41,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:41,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:41,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:41,740 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-11-28 03:14:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:41,752 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-11-28 03:14:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:41,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:14:41,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:41,754 INFO L225 Difference]: With dead ends: 133 [2020-11-28 03:14:41,754 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:14:41,755 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 03:14:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:14:41,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:14:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:14:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-28 03:14:41,761 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-11-28 03:14:41,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:41,762 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-28 03:14:41,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-28 03:14:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:14:41,763 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:41,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:41,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:14:41,764 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:41,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:41,764 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2020-11-28 03:14:41,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:41,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763800869] [2020-11-28 03:14:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:41,848 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 03:14:41,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763800869] [2020-11-28 03:14:41,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:41,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:41,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340679958] [2020-11-28 03:14:41,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:41,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:41,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:41,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:41,851 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-11-28 03:14:41,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:41,896 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2020-11-28 03:14:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:41,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 03:14:41,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:41,900 INFO L225 Difference]: With dead ends: 153 [2020-11-28 03:14:41,902 INFO L226 Difference]: Without dead ends: 104 [2020-11-28 03:14:41,903 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 03:14:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-28 03:14:41,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-11-28 03:14:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-28 03:14:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2020-11-28 03:14:41,927 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2020-11-28 03:14:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:41,928 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2020-11-28 03:14:41,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-11-28 03:14:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:14:41,931 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:41,931 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 03:14:41,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:14:41,931 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:41,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:41,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2020-11-28 03:14:41,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:41,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444118598] [2020-11-28 03:14:41,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:42,013 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 03:14:42,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444118598] [2020-11-28 03:14:42,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:42,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:42,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676568920] [2020-11-28 03:14:42,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:42,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:42,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:42,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:42,016 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2020-11-28 03:14:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:42,068 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2020-11-28 03:14:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:42,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:14:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:42,070 INFO L225 Difference]: With dead ends: 235 [2020-11-28 03:14:42,070 INFO L226 Difference]: Without dead ends: 141 [2020-11-28 03:14:42,071 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 03:14:42,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-11-28 03:14:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2020-11-28 03:14:42,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-11-28 03:14:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2020-11-28 03:14:42,085 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2020-11-28 03:14:42,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:42,085 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2020-11-28 03:14:42,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-11-28 03:14:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:14:42,089 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:42,089 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] [2020-11-28 03:14:42,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:14:42,090 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:42,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:42,090 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2020-11-28 03:14:42,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:42,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784204855] [2020-11-28 03:14:42,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:42,195 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 03:14:42,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784204855] [2020-11-28 03:14:42,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:42,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:14:42,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468125219] [2020-11-28 03:14:42,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:42,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:42,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:42,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:42,199 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2020-11-28 03:14:42,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:42,361 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2020-11-28 03:14:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:14:42,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:14:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:42,365 INFO L225 Difference]: With dead ends: 747 [2020-11-28 03:14:42,365 INFO L226 Difference]: Without dead ends: 614 [2020-11-28 03:14:42,366 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 03:14:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-11-28 03:14:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2020-11-28 03:14:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-28 03:14:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2020-11-28 03:14:42,405 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2020-11-28 03:14:42,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:42,405 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2020-11-28 03:14:42,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2020-11-28 03:14:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:14:42,407 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:42,407 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] [2020-11-28 03:14:42,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:14:42,408 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:42,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:42,408 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2020-11-28 03:14:42,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:42,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020257665] [2020-11-28 03:14:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:42,489 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 03:14:42,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020257665] [2020-11-28 03:14:42,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:42,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:14:42,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762932249] [2020-11-28 03:14:42,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:42,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:42,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:42,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:42,492 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2020-11-28 03:14:42,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:42,651 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2020-11-28 03:14:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:14:42,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:14:42,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:42,656 INFO L225 Difference]: With dead ends: 768 [2020-11-28 03:14:42,657 INFO L226 Difference]: Without dead ends: 766 [2020-11-28 03:14:42,657 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 03:14:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-11-28 03:14:42,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2020-11-28 03:14:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-28 03:14:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2020-11-28 03:14:42,683 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2020-11-28 03:14:42,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:42,683 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2020-11-28 03:14:42,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2020-11-28 03:14:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:14:42,685 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:42,685 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 03:14:42,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:14:42,686 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:42,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:42,686 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2020-11-28 03:14:42,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:42,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793580112] [2020-11-28 03:14:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:42,774 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 03:14:42,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793580112] [2020-11-28 03:14:42,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:42,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:42,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146047220] [2020-11-28 03:14:42,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:42,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:42,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:42,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:42,776 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2020-11-28 03:14:42,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:42,884 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2020-11-28 03:14:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:14:42,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 03:14:42,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:42,888 INFO L225 Difference]: With dead ends: 698 [2020-11-28 03:14:42,888 INFO L226 Difference]: Without dead ends: 442 [2020-11-28 03:14:42,889 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 03:14:42,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-11-28 03:14:42,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2020-11-28 03:14:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-28 03:14:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2020-11-28 03:14:42,916 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2020-11-28 03:14:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:42,917 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2020-11-28 03:14:42,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2020-11-28 03:14:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:14:42,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:42,919 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 03:14:42,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:14:42,920 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:42,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2020-11-28 03:14:42,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:42,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158457329] [2020-11-28 03:14:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:42,969 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 03:14:42,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158457329] [2020-11-28 03:14:42,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:42,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:14:42,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566910369] [2020-11-28 03:14:42,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:14:42,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:42,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:14:42,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:14:42,972 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2020-11-28 03:14:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:43,045 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2020-11-28 03:14:43,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:14:43,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-28 03:14:43,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:43,049 INFO L225 Difference]: With dead ends: 686 [2020-11-28 03:14:43,049 INFO L226 Difference]: Without dead ends: 406 [2020-11-28 03:14:43,050 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 03:14:43,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-11-28 03:14:43,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2020-11-28 03:14:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-11-28 03:14:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2020-11-28 03:14:43,074 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2020-11-28 03:14:43,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:43,074 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2020-11-28 03:14:43,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:14:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2020-11-28 03:14:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:14:43,076 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:43,076 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 03:14:43,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:14:43,077 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:43,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:43,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2020-11-28 03:14:43,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:43,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774178796] [2020-11-28 03:14:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:43,116 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 03:14:43,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774178796] [2020-11-28 03:14:43,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:43,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:43,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859166517] [2020-11-28 03:14:43,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:43,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:43,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:43,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:43,118 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2020-11-28 03:14:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:43,174 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2020-11-28 03:14:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:43,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:14:43,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:43,178 INFO L225 Difference]: With dead ends: 702 [2020-11-28 03:14:43,178 INFO L226 Difference]: Without dead ends: 406 [2020-11-28 03:14:43,179 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 03:14:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-11-28 03:14:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2020-11-28 03:14:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-11-28 03:14:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2020-11-28 03:14:43,209 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2020-11-28 03:14:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:43,210 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2020-11-28 03:14:43,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2020-11-28 03:14:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 03:14:43,211 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:43,211 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 03:14:43,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:14:43,212 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:43,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:43,212 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2020-11-28 03:14:43,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:43,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901710052] [2020-11-28 03:14:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:43,285 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 03:14:43,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901710052] [2020-11-28 03:14:43,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:43,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:43,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500846624] [2020-11-28 03:14:43,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:43,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:43,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:43,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:43,287 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 6 states. [2020-11-28 03:14:43,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:43,573 INFO L93 Difference]: Finished difference Result 1252 states and 1658 transitions. [2020-11-28 03:14:43,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:14:43,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-11-28 03:14:43,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:43,583 INFO L225 Difference]: With dead ends: 1252 [2020-11-28 03:14:43,583 INFO L226 Difference]: Without dead ends: 852 [2020-11-28 03:14:43,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:14:43,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-11-28 03:14:43,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 406. [2020-11-28 03:14:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-11-28 03:14:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2020-11-28 03:14:43,653 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2020-11-28 03:14:43,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:43,655 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2020-11-28 03:14:43,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2020-11-28 03:14:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 03:14:43,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:43,657 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:14:43,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:14:43,658 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:43,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:43,659 INFO L82 PathProgramCache]: Analyzing trace with hash 907867481, now seen corresponding path program 1 times [2020-11-28 03:14:43,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:43,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765012386] [2020-11-28 03:14:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:14:43,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765012386] [2020-11-28 03:14:43,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:43,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:43,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180006871] [2020-11-28 03:14:43,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:43,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:43,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:43,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:43,712 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2020-11-28 03:14:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:43,826 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2020-11-28 03:14:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:43,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-28 03:14:43,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:43,830 INFO L225 Difference]: With dead ends: 688 [2020-11-28 03:14:43,830 INFO L226 Difference]: Without dead ends: 288 [2020-11-28 03:14:43,831 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 03:14:43,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-11-28 03:14:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2020-11-28 03:14:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-11-28 03:14:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2020-11-28 03:14:43,860 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 53 [2020-11-28 03:14:43,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:43,861 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2020-11-28 03:14:43,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2020-11-28 03:14:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 03:14:43,862 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:43,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:43,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:14:43,863 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:43,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:43,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1672926045, now seen corresponding path program 1 times [2020-11-28 03:14:43,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:43,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880704198] [2020-11-28 03:14:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:44,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880704198] [2020-11-28 03:14:44,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:44,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:44,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191342885] [2020-11-28 03:14:44,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:44,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:44,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:44,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:44,025 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 6 states. [2020-11-28 03:14:44,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:44,404 INFO L93 Difference]: Finished difference Result 1458 states and 1910 transitions. [2020-11-28 03:14:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:14:44,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-11-28 03:14:44,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:44,413 INFO L225 Difference]: With dead ends: 1458 [2020-11-28 03:14:44,413 INFO L226 Difference]: Without dead ends: 1272 [2020-11-28 03:14:44,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:14:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2020-11-28 03:14:44,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2020-11-28 03:14:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-11-28 03:14:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2020-11-28 03:14:44,480 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 56 [2020-11-28 03:14:44,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:44,482 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2020-11-28 03:14:44,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2020-11-28 03:14:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 03:14:44,484 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:44,484 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:44,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:14:44,485 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:44,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash -971861467, now seen corresponding path program 1 times [2020-11-28 03:14:44,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:44,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887788136] [2020-11-28 03:14:44,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:14:44,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887788136] [2020-11-28 03:14:44,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:44,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:44,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012789886] [2020-11-28 03:14:44,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:44,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:44,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:44,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:44,573 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 5 states. [2020-11-28 03:14:44,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:44,719 INFO L93 Difference]: Finished difference Result 1114 states and 1427 transitions. [2020-11-28 03:14:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:44,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-28 03:14:44,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:44,721 INFO L225 Difference]: With dead ends: 1114 [2020-11-28 03:14:44,721 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:14:44,723 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 03:14:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:14:44,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:14:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:14:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:14:44,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-11-28 03:14:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:44,725 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:44,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:14:44,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:14:44,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:14:44,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:14:45,512 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2020-11-28 03:14:45,817 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 138 [2020-11-28 03:14:45,986 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2020-11-28 03:14:46,484 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2020-11-28 03:14:46,678 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 110 [2020-11-28 03:14:46,898 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2020-11-28 03:14:47,442 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 182 [2020-11-28 03:14:47,847 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 175 [2020-11-28 03:14:48,257 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 179 [2020-11-28 03:14:49,665 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 177 DAG size of output: 23 [2020-11-28 03:14:50,359 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2020-11-28 03:14:50,672 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 28 [2020-11-28 03:14:50,872 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-11-28 03:14:51,098 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-11-28 03:14:51,698 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 30 [2020-11-28 03:14:52,098 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2020-11-28 03:14:52,722 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-11-28 03:14:52,831 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 20 [2020-11-28 03:14:53,032 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2020-11-28 03:14:53,134 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-11-28 03:14:54,135 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 30 [2020-11-28 03:14:55,053 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-11-28 03:14:55,978 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2020-11-28 03:14:55,984 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:14:55,984 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:14:55,984 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:14:55,984 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:14:55,984 INFO L274 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-11-28 03:14:55,985 INFO L274 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L700(lines 700 715) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L833(lines 833 839) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L800(lines 800 808) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2020-11-28 03:14:55,986 INFO L274 CegarLoopResult]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2020-11-28 03:14:55,987 INFO L274 CegarLoopResult]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2020-11-28 03:14:55,987 INFO L274 CegarLoopResult]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2020-11-28 03:14:55,987 INFO L270 CegarLoopResult]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:14:55,987 INFO L270 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse5 .cse4))) [2020-11-28 03:14:55,987 INFO L270 CegarLoopResult]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2020-11-28 03:14:55,987 INFO L270 CegarLoopResult]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2020-11-28 03:14:55,987 INFO L270 CegarLoopResult]: At program point L240(lines 231 244) the Hoare annotation is: false [2020-11-28 03:14:55,987 INFO L270 CegarLoopResult]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse1 .cse7 .cse6 .cse2 .cse4) (and .cse1 .cse7 .cse2 .cse4 .cse3 .cse5))) [2020-11-28 03:14:55,988 INFO L270 CegarLoopResult]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2020-11-28 03:14:55,988 INFO L270 CegarLoopResult]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2020-11-28 03:14:55,988 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 03:14:55,988 INFO L270 CegarLoopResult]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2020-11-28 03:14:55,988 INFO L270 CegarLoopResult]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2020-11-28 03:14:55,988 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:14:55,988 INFO L274 CegarLoopResult]: For program point L935(lines 935 939) no Hoare annotation was computed. [2020-11-28 03:14:55,988 INFO L274 CegarLoopResult]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2020-11-28 03:14:55,988 INFO L274 CegarLoopResult]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2020-11-28 03:14:55,988 INFO L274 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L671(lines 670 719) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L270 CegarLoopResult]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3 .cse2) (and .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L270 CegarLoopResult]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2020-11-28 03:14:55,989 INFO L270 CegarLoopResult]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2020-11-28 03:14:55,989 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:14:55,990 INFO L274 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse4 .cse3) (and .cse5 .cse0 .cse2 .cse4 .cse3) (and .cse7 .cse5 .cse6 .cse4) (and .cse7 .cse1 .cse2 .cse4 .cse3))) [2020-11-28 03:14:55,990 INFO L274 CegarLoopResult]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2020-11-28 03:14:55,990 INFO L274 CegarLoopResult]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2020-11-28 03:14:55,990 INFO L274 CegarLoopResult]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse1 (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0)) (.cse2 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse3 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse4 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse8))) [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2020-11-28 03:14:55,990 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-11-28 03:14:55,990 INFO L270 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2020-11-28 03:14:55,991 INFO L270 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L270 CegarLoopResult]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5))) [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L270 CegarLoopResult]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse1))) [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,991 INFO L274 CegarLoopResult]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,993 INFO L274 CegarLoopResult]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,993 INFO L274 CegarLoopResult]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,993 INFO L274 CegarLoopResult]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-11-28 03:14:55,994 INFO L274 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-11-28 03:14:55,995 INFO L274 CegarLoopResult]: For program point L653-2(line 653) no Hoare annotation was computed. [2020-11-28 03:14:55,995 INFO L274 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2020-11-28 03:14:55,995 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-11-28 03:14:55,995 INFO L274 CegarLoopResult]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2020-11-28 03:14:55,995 INFO L270 CegarLoopResult]: At program point L720(lines 669 721) the Hoare annotation is: false [2020-11-28 03:14:55,995 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:14:55,996 INFO L274 CegarLoopResult]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-11-28 03:14:55,996 INFO L270 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse3 .cse4))) [2020-11-28 03:14:55,996 INFO L270 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,996 INFO L270 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-11-28 03:14:55,996 INFO L270 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= 0 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse8 .cse2 .cse3 .cse5 .cse4) (and .cse6 .cse7 .cse0 .cse3 .cse4 .cse5))) [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L922(lines 907 925) the Hoare annotation is: false [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse4 .cse8))) [2020-11-28 03:14:55,997 INFO L270 CegarLoopResult]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L858(lines 851 861) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-11-28 03:14:55,998 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2020-11-28 03:14:55,998 INFO L270 CegarLoopResult]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2020-11-28 03:14:55,999 INFO L270 CegarLoopResult]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2020-11-28 03:14:55,999 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 03:14:55,999 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 03:14:55,999 INFO L270 CegarLoopResult]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:14:55,999 INFO L274 CegarLoopResult]: For program point L265(lines 265 278) no Hoare annotation was computed. [2020-11-28 03:14:55,999 INFO L270 CegarLoopResult]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5))) [2020-11-28 03:14:55,999 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2020-11-28 03:14:55,999 INFO L270 CegarLoopResult]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2020-11-28 03:14:55,999 INFO L274 CegarLoopResult]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2020-11-28 03:14:55,999 INFO L270 CegarLoopResult]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2020-11-28 03:14:56,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:56 BoogieIcfgContainer [2020-11-28 03:14:56,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:56,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:56,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:56,053 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:56,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:40" (3/4) ... [2020-11-28 03:14:56,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:14:56,075 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:14:56,076 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:14:56,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:14:56,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:14:56,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:14:56,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:56,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:56,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-11-28 03:14:56,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-11-28 03:14:56,111 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:14:56,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:14:56,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:14:56,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:14:56,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= tmp) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && 0 <= tmp) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:14:56,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:14:56,116 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:14:56,117 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:14:56,257 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fa39650b-c93b-40f3-a16c-d2e0c240fc8c/bin/uautomizer/witness.graphml [2020-11-28 03:14:56,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:56,259 INFO L168 Benchmark]: Toolchain (without parser) took 17083.79 ms. Allocated memory was 94.4 MB in the beginning and 390.1 MB in the end (delta: 295.7 MB). Free memory was 55.0 MB in the beginning and 176.4 MB in the end (delta: -121.4 MB). Peak memory consumption was 173.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,259 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 72.1 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:56,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.05 ms. Allocated memory is still 94.4 MB. Free memory was 54.9 MB in the beginning and 58.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 54.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,260 INFO L168 Benchmark]: Boogie Preprocessor took 64.62 ms. Allocated memory is still 94.4 MB. Free memory was 54.8 MB in the beginning and 51.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,262 INFO L168 Benchmark]: RCFGBuilder took 1085.59 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 82.8 MB in the end (delta: -31.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,262 INFO L168 Benchmark]: TraceAbstraction took 15091.37 ms. Allocated memory was 113.2 MB in the beginning and 390.1 MB in the end (delta: 276.8 MB). Free memory was 81.9 MB in the beginning and 188.9 MB in the end (delta: -107.1 MB). Peak memory consumption was 232.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,263 INFO L168 Benchmark]: Witness Printer took 205.13 ms. Allocated memory is still 390.1 MB. Free memory was 188.9 MB in the beginning and 176.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 72.1 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.05 ms. Allocated memory is still 94.4 MB. Free memory was 54.9 MB in the beginning and 58.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 54.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.62 ms. Allocated memory is still 94.4 MB. Free memory was 54.8 MB in the beginning and 51.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1085.59 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 82.8 MB in the end (delta: -31.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15091.37 ms. Allocated memory was 113.2 MB in the beginning and 390.1 MB in the end (delta: 276.8 MB). Free memory was 81.9 MB in the beginning and 188.9 MB in the end (delta: -107.1 MB). Peak memory consumption was 232.4 MB. Max. memory is 16.1 GB. * Witness Printer took 205.13 ms. Allocated memory is still 390.1 MB. Free memory was 188.9 MB in the beginning and 176.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= tmp) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && 0 <= tmp) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1563 SDtfs, 1978 SDslu, 2710 SDs, 0 SdLazy, 325 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2300 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1084 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1668031 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 365917 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 25409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 42/42 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...