./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.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_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/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 7823238d9993e50be60fbd89a7a2539069d00257 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:28:51,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:28:51,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:28:51,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:28:51,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:28:51,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:28:51,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:28:51,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:28:51,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:28:51,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:28:51,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:28:51,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:28:51,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:28:51,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:28:51,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:28:51,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:28:51,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:28:51,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:28:51,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:28:51,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:28:51,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:28:51,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:28:51,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:28:51,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:28:51,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:28:51,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:28:51,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:28:51,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:28:51,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:28:51,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:28:51,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:28:51,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:28:51,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:28:51,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:28:51,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:28:51,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:28:51,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:28:51,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:28:51,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:28:51,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:28:51,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:28:51,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:28:51,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:28:51,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:28:51,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:28:51,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:28:51,994 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:28:51,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:28:51,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:28:51,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:28:51,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:28:51,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:28:51,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:28:51,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:28:51,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:28:51,997 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:28:51,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:28:51,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:28:51,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:28:51,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:28:51,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:28:51,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:28:51,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:28:51,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:28:51,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:28:52,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:28:52,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:28:52,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:28:52,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:28:52,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:28:52,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:28:52,001 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_f5b21d65-2557-461b-aa81-7887c75bd6b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7823238d9993e50be60fbd89a7a2539069d00257 [2020-11-29 23:28:52,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:28:52,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:28:52,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:28:52,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:28:52,348 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:28:52,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2020-11-29 23:28:52,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/data/703077304/6d0893b6bf0e4d688f62ba47237ed112/FLAG680ef2375 [2020-11-29 23:28:53,014 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:28:53,014 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2020-11-29 23:28:53,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/data/703077304/6d0893b6bf0e4d688f62ba47237ed112/FLAG680ef2375 [2020-11-29 23:28:53,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/data/703077304/6d0893b6bf0e4d688f62ba47237ed112 [2020-11-29 23:28:53,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:28:53,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:28:53,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:28:53,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:28:53,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:28:53,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619380cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53, skipping insertion in model container [2020-11-29 23:28:53,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:28:53,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:28:53,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:28:53,732 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:28:53,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:28:53,906 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:28:53,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53 WrapperNode [2020-11-29 23:28:53,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:28:53,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:28:53,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:28:53,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:28:53,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:28:53,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:28:53,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:28:53,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:28:53,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:53,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:54,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:54,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:54,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... [2020-11-29 23:28:54,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:28:54,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:28:54,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:28:54,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:28:54,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/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 [2020-11-29 23:28:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:28:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:28:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:28:54,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:28:55,271 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:28:55,273 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-29 23:28:55,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:28:55 BoogieIcfgContainer [2020-11-29 23:28:55,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:28:55,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:28:55,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:28:55,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:28:55,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:28:53" (1/3) ... [2020-11-29 23:28:55,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08dab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:28:55, skipping insertion in model container [2020-11-29 23:28:55,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:53" (2/3) ... [2020-11-29 23:28:55,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08dab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:28:55, skipping insertion in model container [2020-11-29 23:28:55,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:28:55" (3/3) ... [2020-11-29 23:28:55,286 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2020-11-29 23:28:55,297 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:28:55,302 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 23:28:55,313 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:28:55,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:28:55,350 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:28:55,350 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:28:55,350 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:28:55,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:28:55,350 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:28:55,351 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:28:55,351 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:28:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-29 23:28:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:28:55,382 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:55,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:55,383 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash 611935714, now seen corresponding path program 1 times [2020-11-29 23:28:55,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:55,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244692701] [2020-11-29 23:28:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:55,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244692701] [2020-11-29 23:28:55,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:55,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:28:55,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146703399] [2020-11-29 23:28:55,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:28:55,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:55,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:28:55,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:28:55,772 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-29 23:28:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:55,829 INFO L93 Difference]: Finished difference Result 231 states and 350 transitions. [2020-11-29 23:28:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:28:55,831 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 23:28:55,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:55,872 INFO L225 Difference]: With dead ends: 231 [2020-11-29 23:28:55,872 INFO L226 Difference]: Without dead ends: 113 [2020-11-29 23:28:55,884 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 [2020-11-29 23:28:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-29 23:28:55,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-29 23:28:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-29 23:28:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-11-29 23:28:55,924 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-11-29 23:28:55,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:55,924 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-11-29 23:28:55,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:28:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-11-29 23:28:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:28:55,926 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:55,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:55,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:28:55,927 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:55,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:55,927 INFO L82 PathProgramCache]: Analyzing trace with hash -299095039, now seen corresponding path program 1 times [2020-11-29 23:28:55,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:55,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685874950] [2020-11-29 23:28:55,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:56,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685874950] [2020-11-29 23:28:56,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:56,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:28:56,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532917235] [2020-11-29 23:28:56,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:28:56,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:56,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:28:56,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:28:56,059 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-11-29 23:28:56,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:56,080 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-29 23:28:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:28:56,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 23:28:56,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:56,085 INFO L225 Difference]: With dead ends: 113 [2020-11-29 23:28:56,085 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 23:28:56,086 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 [2020-11-29 23:28:56,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 23:28:56,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-29 23:28:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-29 23:28:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-11-29 23:28:56,096 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-11-29 23:28:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:56,096 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-11-29 23:28:56,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:28:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-11-29 23:28:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:28:56,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:56,100 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] [2020-11-29 23:28:56,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:28:56,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:56,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:56,102 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2020-11-29 23:28:56,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:56,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039006701] [2020-11-29 23:28:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:56,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039006701] [2020-11-29 23:28:56,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:56,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:28:56,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458085473] [2020-11-29 23:28:56,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:28:56,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:56,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:28:56,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:28:56,221 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-11-29 23:28:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:56,252 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-11-29 23:28:56,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:28:56,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 23:28:56,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:56,257 INFO L225 Difference]: With dead ends: 88 [2020-11-29 23:28:56,257 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 23:28:56,257 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 [2020-11-29 23:28:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 23:28:56,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-29 23:28:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-29 23:28:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-29 23:28:56,263 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-11-29 23:28:56,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:56,263 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-29 23:28:56,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:28:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-29 23:28:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:28:56,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:56,264 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] [2020-11-29 23:28:56,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:28:56,265 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:56,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2020-11-29 23:28:56,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:56,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976797222] [2020-11-29 23:28:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:56,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976797222] [2020-11-29 23:28:56,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:56,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:28:56,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073220706] [2020-11-29 23:28:56,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:28:56,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:56,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:28:56,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:28:56,372 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-29 23:28:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:56,427 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-11-29 23:28:56,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:28:56,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 23:28:56,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:56,430 INFO L225 Difference]: With dead ends: 111 [2020-11-29 23:28:56,430 INFO L226 Difference]: Without dead ends: 70 [2020-11-29 23:28:56,431 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 [2020-11-29 23:28:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-29 23:28:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-11-29 23:28:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-29 23:28:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-11-29 23:28:56,439 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-11-29 23:28:56,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:56,439 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-29 23:28:56,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:28:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-29 23:28:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:28:56,441 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:56,441 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] [2020-11-29 23:28:56,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:28:56,442 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:56,443 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2020-11-29 23:28:56,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:56,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611776283] [2020-11-29 23:28:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:56,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611776283] [2020-11-29 23:28:56,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:56,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:28:56,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993136573] [2020-11-29 23:28:56,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:28:56,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:56,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:28:56,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:28:56,568 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-11-29 23:28:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:56,682 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-11-29 23:28:56,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:28:56,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 23:28:56,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:56,684 INFO L225 Difference]: With dead ends: 183 [2020-11-29 23:28:56,684 INFO L226 Difference]: Without dead ends: 121 [2020-11-29 23:28:56,685 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 [2020-11-29 23:28:56,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-29 23:28:56,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-11-29 23:28:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-29 23:28:56,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-11-29 23:28:56,695 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-11-29 23:28:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:56,697 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-11-29 23:28:56,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:28:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-11-29 23:28:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:28:56,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:56,699 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] [2020-11-29 23:28:56,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:28:56,699 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:56,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:56,700 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2020-11-29 23:28:56,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:56,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688038507] [2020-11-29 23:28:56,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:56,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688038507] [2020-11-29 23:28:56,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:56,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:28:56,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510762772] [2020-11-29 23:28:56,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:28:56,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:56,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:28:56,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:28:56,791 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-11-29 23:28:56,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:56,947 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-11-29 23:28:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:28:56,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 23:28:56,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:56,950 INFO L225 Difference]: With dead ends: 373 [2020-11-29 23:28:56,950 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 23:28:56,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:28:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 23:28:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-11-29 23:28:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-11-29 23:28:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-11-29 23:28:56,981 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-11-29 23:28:56,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:56,985 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-11-29 23:28:56,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:28:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-11-29 23:28:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:28:56,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:56,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:56,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:28:56,993 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:57,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2020-11-29 23:28:57,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:57,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101250788] [2020-11-29 23:28:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:57,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101250788] [2020-11-29 23:28:57,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:57,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:28:57,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425223517] [2020-11-29 23:28:57,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:28:57,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:57,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:28:57,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:28:57,065 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-11-29 23:28:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:57,181 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-11-29 23:28:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:28:57,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 23:28:57,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:57,188 INFO L225 Difference]: With dead ends: 250 [2020-11-29 23:28:57,188 INFO L226 Difference]: Without dead ends: 182 [2020-11-29 23:28:57,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:28:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-11-29 23:28:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-11-29 23:28:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-11-29 23:28:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-11-29 23:28:57,213 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-11-29 23:28:57,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:57,214 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-11-29 23:28:57,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:28:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-11-29 23:28:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:28:57,216 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:57,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:57,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:28:57,216 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:57,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:57,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2020-11-29 23:28:57,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:57,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606637794] [2020-11-29 23:28:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:57,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606637794] [2020-11-29 23:28:57,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:57,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:28:57,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637309594] [2020-11-29 23:28:57,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:28:57,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:57,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:28:57,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:28:57,297 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-11-29 23:28:57,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:57,368 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-11-29 23:28:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:28:57,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 23:28:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:57,371 INFO L225 Difference]: With dead ends: 422 [2020-11-29 23:28:57,371 INFO L226 Difference]: Without dead ends: 295 [2020-11-29 23:28:57,373 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 [2020-11-29 23:28:57,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-29 23:28:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-11-29 23:28:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-29 23:28:57,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-11-29 23:28:57,403 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-11-29 23:28:57,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:57,404 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-11-29 23:28:57,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:28:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-11-29 23:28:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:28:57,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:57,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:57,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:28:57,410 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:57,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:57,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2020-11-29 23:28:57,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:57,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279769227] [2020-11-29 23:28:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:57,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279769227] [2020-11-29 23:28:57,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:57,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 23:28:57,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222093028] [2020-11-29 23:28:57,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:28:57,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:57,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:28:57,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:28:57,498 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-11-29 23:28:57,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:57,794 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-11-29 23:28:57,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 23:28:57,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-29 23:28:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:57,797 INFO L225 Difference]: With dead ends: 506 [2020-11-29 23:28:57,797 INFO L226 Difference]: Without dead ends: 339 [2020-11-29 23:28:57,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-11-29 23:28:57,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-29 23:28:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-11-29 23:28:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-29 23:28:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-11-29 23:28:57,816 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-11-29 23:28:57,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:57,818 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-11-29 23:28:57,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:28:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-11-29 23:28:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:28:57,819 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:57,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:57,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:28:57,820 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:57,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2020-11-29 23:28:57,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:57,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616995731] [2020-11-29 23:28:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:57,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616995731] [2020-11-29 23:28:57,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:57,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 23:28:57,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356013115] [2020-11-29 23:28:57,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:28:57,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:57,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:28:57,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:28:57,899 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 6 states. [2020-11-29 23:28:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:58,011 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-11-29 23:28:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:28:58,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-29 23:28:58,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:58,017 INFO L225 Difference]: With dead ends: 385 [2020-11-29 23:28:58,017 INFO L226 Difference]: Without dead ends: 239 [2020-11-29 23:28:58,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:28:58,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-11-29 23:28:58,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-11-29 23:28:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-29 23:28:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-11-29 23:28:58,035 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-11-29 23:28:58,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:58,036 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-11-29 23:28:58,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:28:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-11-29 23:28:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 23:28:58,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:58,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:58,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:28:58,037 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:58,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1506342504, now seen corresponding path program 1 times [2020-11-29 23:28:58,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:58,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729505492] [2020-11-29 23:28:58,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 23:28:58,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729505492] [2020-11-29 23:28:58,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:58,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:28:58,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843158355] [2020-11-29 23:28:58,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:28:58,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:58,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:28:58,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:28:58,096 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 4 states. [2020-11-29 23:28:58,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:58,139 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-11-29 23:28:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:28:58,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-11-29 23:28:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:58,142 INFO L225 Difference]: With dead ends: 281 [2020-11-29 23:28:58,142 INFO L226 Difference]: Without dead ends: 173 [2020-11-29 23:28:58,143 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 [2020-11-29 23:28:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-29 23:28:58,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-11-29 23:28:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-29 23:28:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-11-29 23:28:58,161 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-11-29 23:28:58,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:58,162 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-11-29 23:28:58,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:28:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-11-29 23:28:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 23:28:58,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:58,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:58,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 23:28:58,164 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:58,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2020-11-29 23:28:58,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:58,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578482849] [2020-11-29 23:28:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:58,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578482849] [2020-11-29 23:28:58,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:58,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:28:58,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942628631] [2020-11-29 23:28:58,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:28:58,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:58,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:28:58,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:28:58,255 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-11-29 23:28:58,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:58,406 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-11-29 23:28:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 23:28:58,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-29 23:28:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:58,411 INFO L225 Difference]: With dead ends: 633 [2020-11-29 23:28:58,411 INFO L226 Difference]: Without dead ends: 515 [2020-11-29 23:28:58,412 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 [2020-11-29 23:28:58,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-11-29 23:28:58,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-11-29 23:28:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-11-29 23:28:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-11-29 23:28:58,445 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-11-29 23:28:58,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:58,445 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-11-29 23:28:58,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:28:58,445 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-11-29 23:28:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 23:28:58,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:58,446 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] [2020-11-29 23:28:58,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 23:28:58,447 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:58,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:58,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2020-11-29 23:28:58,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:58,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851206768] [2020-11-29 23:28:58,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:28:58,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851206768] [2020-11-29 23:28:58,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564933698] [2020-11-29 23:28:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:28:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:58,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:28:58,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:28:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:28:58,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:28:58,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-29 23:28:58,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754983706] [2020-11-29 23:28:58,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 23:28:58,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:58,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 23:28:58,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-29 23:28:58,934 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-11-29 23:28:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:59,357 INFO L93 Difference]: Finished difference Result 727 states and 913 transitions. [2020-11-29 23:28:59,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 23:28:59,358 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-11-29 23:28:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:59,361 INFO L225 Difference]: With dead ends: 727 [2020-11-29 23:28:59,361 INFO L226 Difference]: Without dead ends: 493 [2020-11-29 23:28:59,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-29 23:28:59,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-11-29 23:28:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 226. [2020-11-29 23:28:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-29 23:28:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-11-29 23:28:59,395 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-11-29 23:28:59,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:59,397 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-11-29 23:28:59,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 23:28:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-11-29 23:28:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 23:28:59,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:59,398 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:28:59,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 23:28:59,614 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:59,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1723898769, now seen corresponding path program 1 times [2020-11-29 23:28:59,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:59,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499457359] [2020-11-29 23:28:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:28:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 23:28:59,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499457359] [2020-11-29 23:28:59,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:28:59,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:28:59,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327154842] [2020-11-29 23:28:59,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:28:59,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:28:59,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:28:59,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:28:59,710 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 6 states. [2020-11-29 23:28:59,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:28:59,929 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2020-11-29 23:28:59,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 23:28:59,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-11-29 23:28:59,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:28:59,932 INFO L225 Difference]: With dead ends: 547 [2020-11-29 23:28:59,932 INFO L226 Difference]: Without dead ends: 377 [2020-11-29 23:28:59,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-11-29 23:28:59,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-11-29 23:28:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2020-11-29 23:28:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-29 23:28:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2020-11-29 23:28:59,959 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2020-11-29 23:28:59,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:28:59,959 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2020-11-29 23:28:59,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:28:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2020-11-29 23:28:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-29 23:28:59,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:28:59,961 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 23:28:59,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 23:28:59,961 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:28:59,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:59,961 INFO L82 PathProgramCache]: Analyzing trace with hash -929354426, now seen corresponding path program 1 times [2020-11-29 23:28:59,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:28:59,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309729081] [2020-11-29 23:28:59,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-29 23:29:00,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309729081] [2020-11-29 23:29:00,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:29:00,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:29:00,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744835394] [2020-11-29 23:29:00,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:29:00,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:29:00,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:29:00,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:29:00,055 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand 5 states. [2020-11-29 23:29:00,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:29:00,270 INFO L93 Difference]: Finished difference Result 863 states and 1072 transitions. [2020-11-29 23:29:00,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:29:00,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-11-29 23:29:00,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:29:00,271 INFO L225 Difference]: With dead ends: 863 [2020-11-29 23:29:00,271 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:29:00,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:29:00,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:29:00,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:29:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:29:00,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:29:00,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-11-29 23:29:00,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:29:00,273 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:29:00,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:29:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:29:00,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:29:00,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 23:29:00,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:29:00,827 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 161 [2020-11-29 23:29:01,022 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 120 [2020-11-29 23:29:02,072 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 256 DAG size of output: 213 [2020-11-29 23:29:02,684 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 187 [2020-11-29 23:29:02,804 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 119 [2020-11-29 23:29:03,511 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 218 [2020-11-29 23:29:03,755 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 155 [2020-11-29 23:29:03,876 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2020-11-29 23:29:05,285 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 154 DAG size of output: 46 [2020-11-29 23:29:05,969 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 37 [2020-11-29 23:29:07,539 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 205 DAG size of output: 41 [2020-11-29 23:29:08,683 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 182 DAG size of output: 27 [2020-11-29 23:29:09,265 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 56 [2020-11-29 23:29:09,409 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-11-29 23:29:10,793 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 210 DAG size of output: 41 [2020-11-29 23:29:10,926 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-11-29 23:29:11,666 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 56 [2020-11-29 23:29:11,987 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-11-29 23:29:12,128 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2020-11-29 23:29:12,584 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2020-11-29 23:29:12,606 INFO L270 CegarLoopResult]: At program point L894(lines 889 897) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0))) (let ((.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (not .cse4)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse2 .cse3 .cse4 .cse5) (and .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse7 .cse0 .cse8 .cse2 .cse1 .cse3 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse5 .cse9) (and .cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse8 .cse2 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5 .cse9)))) [2020-11-29 23:29:12,606 INFO L270 CegarLoopResult]: At program point L894-1(lines 889 897) the Hoare annotation is: false [2020-11-29 23:29:12,606 INFO L270 CegarLoopResult]: At program point L894-2(lines 889 897) the Hoare annotation is: false [2020-11-29 23:29:12,606 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:29:12,606 INFO L270 CegarLoopResult]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse3 .cse7) (and .cse8 .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse8 .cse6 .cse0 .cse3 .cse7)))) [2020-11-29 23:29:12,606 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-11-29 23:29:12,606 INFO L270 CegarLoopResult]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2020-11-29 23:29:12,607 INFO L270 CegarLoopResult]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2020-11-29 23:29:12,607 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:29:12,607 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 23:29:12,607 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 23:29:12,607 INFO L274 CegarLoopResult]: For program point L928(lines 928 941) no Hoare annotation was computed. [2020-11-29 23:29:12,607 INFO L270 CegarLoopResult]: At program point L928-1(lines 1 945) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse12 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse13 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse14 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse3 (not .cse10)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and (<= ~waterLevel~0 1) .cse2 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse4 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1) .cse6 .cse10 .cse8) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse12 .cse7 .cse13 .cse8 .cse9) (and .cse11 .cse4 .cse12 .cse10 .cse8 .cse13) (and (= ~waterLevel~0 1) .cse5 .cse4 .cse10 .cse8) (and .cse0 .cse14 .cse1 .cse11 .cse15 .cse4 .cse12 .cse16 .cse8 .cse13 .cse9) (and .cse0 .cse14 .cse1 .cse15 .cse2 .cse3 .cse4 .cse5 .cse16 .cse6 .cse8 .cse9)))) [2020-11-29 23:29:12,607 INFO L270 CegarLoopResult]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5))) [2020-11-29 23:29:12,607 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 941) no Hoare annotation was computed. [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L862-1(lines 857 865) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse10 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not .cse14)) (.cse13 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse4 .cse6 .cse10 .cse7 .cse8) (and .cse0 .cse11 .cse1 .cse9 .cse12 .cse4 .cse13 .cse7 .cse10 .cse8) (and .cse9 .cse4 .cse14 .cse7 .cse10) (and .cse0 .cse11 .cse1 .cse12 .cse2 .cse3 .cse4 .cse13 .cse5 .cse7 .cse8) (and (<= ~waterLevel~0 1) .cse4 .cse3 .cse5 .cse14 .cse7)))) [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L928-3(lines 1 945) the Hoare annotation is: false [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2020-11-29 23:29:12,608 INFO L274 CegarLoopResult]: For program point L928-4(lines 928 941) no Hoare annotation was computed. [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L862-3(lines 857 865) the Hoare annotation is: false [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L928-5(lines 1 945) the Hoare annotation is: false [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L862-4(lines 857 865) the Hoare annotation is: false [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L862-5(lines 857 865) the Hoare annotation is: false [2020-11-29 23:29:12,608 INFO L270 CegarLoopResult]: At program point L334(lines 319 337) the Hoare annotation is: false [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not .cse13)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not .cse11)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse12 .cse3 .cse4 .cse13 .cse6 .cse7 .cse14) (and .cse10 .cse9 .cse11 .cse12 .cse3 .cse13 .cse6 .cse7 .cse14)))) [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L270(lines 263 273) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5))) [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L270-1(lines 263 273) the Hoare annotation is: false [2020-11-29 23:29:12,609 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-11-29 23:29:12,609 INFO L270 CegarLoopResult]: At program point L270-2(lines 263 273) the Hoare annotation is: false [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2020-11-29 23:29:12,610 INFO L270 CegarLoopResult]: At program point L105-1(lines 105 111) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 0))) (let ((.cse14 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse15 (= ~waterLevel~0 1)) (.cse3 (not .cse13)) (.cse4 (= 1 ~systemActive~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse11 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse16 (or (and .cse0 .cse3 .cse4 .cse14 .cse8) (and .cse0 .cse15 .cse3 .cse4 .cse8))) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse11 .cse7 .cse12 .cse8 .cse9) (and .cse10 .cse4 .cse11 .cse13 .cse8 .cse12) (and .cse4 .cse5 .cse14 .cse13 .cse8) (and .cse2 .cse4 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1) (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1) .cse6 .cse13 .cse8) (and .cse15 .cse5 .cse4 .cse13 .cse8) (and .cse16 .cse1 .cse10 .cse11 .cse12 .cse9) (and .cse16 .cse1 .cse2 .cse5 .cse6 .cse9))))) [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2020-11-29 23:29:12,610 INFO L270 CegarLoopResult]: At program point L733-2(lines 733 747) the Hoare annotation is: false [2020-11-29 23:29:12,610 INFO L274 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-11-29 23:29:12,611 INFO L274 CegarLoopResult]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2020-11-29 23:29:12,611 INFO L274 CegarLoopResult]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2020-11-29 23:29:12,611 INFO L274 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-11-29 23:29:12,611 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:29:12,611 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:29:12,611 INFO L270 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse2 (not .cse12)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse2 .cse4 .cse3 .cse10 .cse6 .cse7) (and .cse11 .cse3 .cse12 .cse6) (and (<= ~waterLevel~0 1) .cse4 .cse3 .cse12 .cse6) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse11 .cse9 .cse3 .cse10 .cse6 .cse7)))) [2020-11-29 23:29:12,611 INFO L270 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2020-11-29 23:29:12,611 INFO L270 CegarLoopResult]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2020-11-29 23:29:12,611 INFO L274 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L902-2(lines 902 908) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L902-3(lines 902 908) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L902-4(lines 902 908) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L902-5(lines 902 908) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L737-1(lines 168 174) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L270 CegarLoopResult]: At program point L143(lines 94 144) the Hoare annotation is: false [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L274 CegarLoopResult]: For program point L804(lines 804 811) no Hoare annotation was computed. [2020-11-29 23:29:12,612 INFO L277 CegarLoopResult]: At program point L804-1(lines 804 811) the Hoare annotation is: true [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L279(lines 274 282) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse6 (not (= |ULTIMATE.start_isPumpRunning_#res| 0))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse8 .cse9) (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) .cse1 .cse4 .cse6 (<= 2 ~waterLevel~0) .cse7 .cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2 .cse3 .cse5 .cse9))) [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L907(lines 898 911) the Hoare annotation is: false [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L907-1(lines 898 911) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse8 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse8 .cse3 .cse4))) [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L907-2(lines 898 911) the Hoare annotation is: false [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L907-3(lines 898 911) the Hoare annotation is: false [2020-11-29 23:29:12,613 INFO L270 CegarLoopResult]: At program point L907-4(lines 898 911) the Hoare annotation is: false [2020-11-29 23:29:12,618 INFO L270 CegarLoopResult]: At program point L907-5(lines 898 911) the Hoare annotation is: false [2020-11-29 23:29:12,618 INFO L274 CegarLoopResult]: For program point L115(lines 115 121) no Hoare annotation was computed. [2020-11-29 23:29:12,618 INFO L270 CegarLoopResult]: At program point L115-1(lines 115 121) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (not .cse2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (or (and .cse4 .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse4 (= ~waterLevel~0 1) .cse6 .cse0 .cse3))) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse7 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse9 .cse5 .cse1 .cse8) (and .cse10 .cse0 .cse2 .cse3) (and .cse9 .cse5 .cse10 .cse8) (and .cse4 .cse5 .cse10 .cse6 .cse0 .cse7 .cse3 .cse8))))) [2020-11-29 23:29:12,618 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:29:12,619 INFO L277 CegarLoopResult]: At program point L813(lines 794 816) the Hoare annotation is: true [2020-11-29 23:29:12,619 INFO L270 CegarLoopResult]: At program point L781(lines 777 783) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:29:12,619 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-11-29 23:29:12,619 INFO L274 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point L717-2(line 717) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point L125(lines 125 138) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2020-11-29 23:29:12,620 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L96(lines 95 142) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L922(lines 922 942) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L922-2(lines 922 942) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L922-4(lines 922 942) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,621 INFO L274 CegarLoopResult]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,622 INFO L274 CegarLoopResult]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,622 INFO L274 CegarLoopResult]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,622 INFO L274 CegarLoopResult]: For program point L97(lines 97 101) no Hoare annotation was computed. [2020-11-29 23:29:12,622 INFO L274 CegarLoopResult]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,622 INFO L274 CegarLoopResult]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,622 INFO L274 CegarLoopResult]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,623 INFO L274 CegarLoopResult]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,624 INFO L274 CegarLoopResult]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,624 INFO L274 CegarLoopResult]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,624 INFO L274 CegarLoopResult]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2020-11-29 23:29:12,625 INFO L274 CegarLoopResult]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2020-11-29 23:29:12,626 INFO L274 CegarLoopResult]: For program point L133(lines 133 137) no Hoare annotation was computed. [2020-11-29 23:29:12,626 INFO L270 CegarLoopResult]: At program point L67(lines 1 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 23:29:12,627 INFO L270 CegarLoopResult]: At program point L133-2(lines 168 174) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (not .cse2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (or (and .cse4 .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse4 (= ~waterLevel~0 1) .cse6 .cse0 .cse3))) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse7 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse9 .cse5 .cse1 .cse8) (and .cse10 .cse0 .cse2 .cse3) (and .cse9 .cse5 .cse10 .cse8) (and .cse4 .cse5 .cse10 .cse6 .cse0 .cse7 .cse3 .cse8))))) [2020-11-29 23:29:12,627 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-11-29 23:29:12,627 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-11-29 23:29:12,627 INFO L274 CegarLoopResult]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-11-29 23:29:12,627 INFO L274 CegarLoopResult]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2020-11-29 23:29:12,627 INFO L274 CegarLoopResult]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2020-11-29 23:29:12,627 INFO L274 CegarLoopResult]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2020-11-29 23:29:12,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:29:12 BoogieIcfgContainer [2020-11-29 23:29:12,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:29:12,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:29:12,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:29:12,707 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:29:12,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:28:55" (3/4) ... [2020-11-29 23:29:12,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:29:12,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 23:29:12,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 23:29:12,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 23:29:12,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:29:12,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:29:12,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:29:12,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:29:12,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && 1 <= tmp) && 1 <= \result) && !(tmp___0 == 0))) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && tmp == 0) && methaneLevelCritical == 0) && \result == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,774 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,775 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,775 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 23:29:12,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 23:29:12,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((waterLevel <= 1 && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:29:12,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0)) [2020-11-29 23:29:12,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f5b21d65-2557-461b-aa81-7887c75bd6b9/bin/uautomizer/witness.graphml [2020-11-29 23:29:12,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:29:12,851 INFO L168 Benchmark]: Toolchain (without parser) took 19565.73 ms. Allocated memory was 88.1 MB in the beginning and 299.9 MB in the end (delta: 211.8 MB). Free memory was 49.5 MB in the beginning and 102.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 160.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,851 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 88.1 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 57.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:29:12,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.86 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 75.8 MB in the end (delta: -26.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.72 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 72.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,852 INFO L168 Benchmark]: Boogie Preprocessor took 47.52 ms. Allocated memory is still 109.1 MB. Free memory was 72.4 MB in the beginning and 69.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,853 INFO L168 Benchmark]: RCFGBuilder took 1245.27 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 59.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,853 INFO L168 Benchmark]: TraceAbstraction took 17427.47 ms. Allocated memory was 109.1 MB in the beginning and 299.9 MB in the end (delta: 190.8 MB). Free memory was 59.6 MB in the beginning and 113.1 MB in the end (delta: -53.4 MB). Peak memory consumption was 162.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,853 INFO L168 Benchmark]: Witness Printer took 143.43 ms. Allocated memory is still 299.9 MB. Free memory was 113.1 MB in the beginning and 102.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:12,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 88.1 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 57.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.86 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 75.8 MB in the end (delta: -26.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.72 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 72.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.52 ms. Allocated memory is still 109.1 MB. Free memory was 72.4 MB in the beginning and 69.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1245.27 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 59.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17427.47 ms. Allocated memory was 109.1 MB in the beginning and 299.9 MB in the end (delta: 190.8 MB). Free memory was 59.6 MB in the beginning and 113.1 MB in the end (delta: -53.4 MB). Peak memory consumption was 162.5 MB. Max. memory is 16.1 GB. * Witness Printer took 143.43 ms. Allocated memory is still 299.9 MB. Free memory was 113.1 MB in the beginning and 102.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 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: 175]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((waterLevel <= 1 && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && !(tmp___0 == 0))) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0))) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && 1 <= tmp) && 1 <= \result) && !(tmp___0 == 0))) || ((((((((((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 0 && waterLevel == 1) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) && !(\result == 0)) && tmp == 0) && methaneLevelCritical == 0) && \result == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && \result == 0) && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp == 0 && !(\result == 0)) && methaneLevelCritical == 1) && 1 == systemActive) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && !(tmp___0 == 0))) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((tmp == 0 && !(tmp == 0)) && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1533 SDtfs, 2142 SDslu, 2803 SDs, 0 SdLazy, 436 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred 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: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 1386 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 328 NumberOfFragments, 1799 HoareAnnotationTreeSize, 46 FomulaSimplifications, 10699775 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1315848 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 48560 SizeOfPredicates, 4 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 114/122 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...