./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.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_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/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 2d6bd7a2d1728d381423fedea6f747367a642c2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:09:02,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:02,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:02,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:02,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:02,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:02,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:02,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:02,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:02,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:02,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:02,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:02,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:02,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:02,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:02,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:02,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:02,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:02,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:02,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:02,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:02,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:02,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:02,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:02,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:02,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:02,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:02,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:02,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:02,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:02,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:02,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:02,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:02,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:02,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:02,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:02,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:02,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:02,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:02,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:02,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:02,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:09:03,049 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:03,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:03,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:03,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:03,052 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:03,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:03,053 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:03,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:03,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:03,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:03,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:09:03,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:09:03,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:09:03,056 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:03,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:09:03,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:03,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:09:03,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:03,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:03,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:09:03,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:09:03,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:03,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:03,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:09:03,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:09:03,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:03,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:09:03,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:09:03,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:03,061 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_ccd1ede5-ca9b-4d30-96ed-05727381853f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d6bd7a2d1728d381423fedea6f747367a642c2a [2020-11-28 03:09:03,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:03,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:03,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:03,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:03,507 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:03,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2020-11-28 03:09:03,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/data/4467d1267/6c135c9fe7b1498782ca177ebf045e7d/FLAGd2475d6a9 [2020-11-28 03:09:04,439 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:04,439 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2020-11-28 03:09:04,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/data/4467d1267/6c135c9fe7b1498782ca177ebf045e7d/FLAGd2475d6a9 [2020-11-28 03:09:04,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/data/4467d1267/6c135c9fe7b1498782ca177ebf045e7d [2020-11-28 03:09:04,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:04,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:09:04,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:04,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:04,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:04,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:04" (1/1) ... [2020-11-28 03:09:04,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a97af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:04, skipping insertion in model container [2020-11-28 03:09:04,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:04" (1/1) ... [2020-11-28 03:09:04,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:04,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:05,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:05,370 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:05,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:05,572 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:05,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05 WrapperNode [2020-11-28 03:09:05,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:05,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:05,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:09:05,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:09:05,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:05,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:05,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:05,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:05,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... [2020-11-28 03:09:05,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:05,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:05,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:05,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:05,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:09:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:07,296 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:07,296 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-28 03:09:07,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:07 BoogieIcfgContainer [2020-11-28 03:09:07,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:07,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:09:07,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:09:07,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:09:07,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:04" (1/3) ... [2020-11-28 03:09:07,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35440195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:07, skipping insertion in model container [2020-11-28 03:09:07,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:05" (2/3) ... [2020-11-28 03:09:07,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35440195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:07, skipping insertion in model container [2020-11-28 03:09:07,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:07" (3/3) ... [2020-11-28 03:09:07,312 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2020-11-28 03:09:07,326 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:09:07,332 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:09:07,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:09:07,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:09:07,396 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:09:07,396 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:09:07,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:07,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:07,397 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:09:07,397 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:07,397 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:09:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-28 03:09:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:09:07,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:07,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:07,427 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:07,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:07,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2127136324, now seen corresponding path program 1 times [2020-11-28 03:09:07,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:07,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874489438] [2020-11-28 03:09:07,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:07,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874489438] [2020-11-28 03:09:07,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:07,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:09:07,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381350501] [2020-11-28 03:09:07,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:09:07,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:07,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:09:07,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:09:07,833 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-11-28 03:09:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:07,906 INFO L93 Difference]: Finished difference Result 242 states and 369 transitions. [2020-11-28 03:09:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:09:07,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:09:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:07,938 INFO L225 Difference]: With dead ends: 242 [2020-11-28 03:09:07,938 INFO L226 Difference]: Without dead ends: 119 [2020-11-28 03:09:07,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:09:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-28 03:09:08,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-11-28 03:09:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-28 03:09:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2020-11-28 03:09:08,030 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2020-11-28 03:09:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:08,031 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2020-11-28 03:09:08,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:09:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2020-11-28 03:09:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:09:08,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:08,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:08,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:09:08,065 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:08,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:08,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1908300355, now seen corresponding path program 1 times [2020-11-28 03:09:08,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:08,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44670857] [2020-11-28 03:09:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:08,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44670857] [2020-11-28 03:09:08,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:08,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:08,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039266401] [2020-11-28 03:09:08,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:09:08,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:08,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:08,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:08,295 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2020-11-28 03:09:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:08,309 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2020-11-28 03:09:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:08,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:09:08,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:08,312 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:09:08,312 INFO L226 Difference]: Without dead ends: 51 [2020-11-28 03:09:08,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:08,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-28 03:09:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-28 03:09:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:09:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-11-28 03:09:08,321 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2020-11-28 03:09:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:08,321 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-11-28 03:09:08,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:09:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-11-28 03:09:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:09:08,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:08,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:08,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:09:08,323 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:08,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:08,324 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2020-11-28 03:09:08,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:08,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829570725] [2020-11-28 03:09:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:08,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829570725] [2020-11-28 03:09:08,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:08,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:08,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355228962] [2020-11-28 03:09:08,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:09:08,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:08,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:09:08,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:09:08,503 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2020-11-28 03:09:08,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:08,905 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2020-11-28 03:09:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:09:08,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:09:08,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:08,910 INFO L225 Difference]: With dead ends: 163 [2020-11-28 03:09:08,910 INFO L226 Difference]: Without dead ends: 119 [2020-11-28 03:09:08,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:09:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-28 03:09:08,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2020-11-28 03:09:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 03:09:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-11-28 03:09:08,927 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2020-11-28 03:09:08,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:08,928 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-11-28 03:09:08,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:09:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-11-28 03:09:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:09:08,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:08,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:08,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:09:08,931 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:08,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:08,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2020-11-28 03:09:08,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:08,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159934999] [2020-11-28 03:09:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:09,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:09,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159934999] [2020-11-28 03:09:09,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:09,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:09:09,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157238444] [2020-11-28 03:09:09,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:09:09,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:09,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:09,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:09,030 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2020-11-28 03:09:09,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:09,100 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2020-11-28 03:09:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:09,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:09:09,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:09,103 INFO L225 Difference]: With dead ends: 157 [2020-11-28 03:09:09,103 INFO L226 Difference]: Without dead ends: 93 [2020-11-28 03:09:09,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-28 03:09:09,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2020-11-28 03:09:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-11-28 03:09:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2020-11-28 03:09:09,130 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2020-11-28 03:09:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:09,131 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2020-11-28 03:09:09,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:09:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-11-28 03:09:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:09:09,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:09,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:09,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:09:09,138 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:09,140 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2020-11-28 03:09:09,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:09,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111460961] [2020-11-28 03:09:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:09,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111460961] [2020-11-28 03:09:09,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:09,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:09:09,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238399836] [2020-11-28 03:09:09,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:09,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:09,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:09,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:09,285 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2020-11-28 03:09:09,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:09,433 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2020-11-28 03:09:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:09:09,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 03:09:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:09,438 INFO L225 Difference]: With dead ends: 452 [2020-11-28 03:09:09,438 INFO L226 Difference]: Without dead ends: 368 [2020-11-28 03:09:09,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:09:09,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-11-28 03:09:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2020-11-28 03:09:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-28 03:09:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2020-11-28 03:09:09,474 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2020-11-28 03:09:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:09,475 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2020-11-28 03:09:09,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2020-11-28 03:09:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 03:09:09,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:09,477 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] [2020-11-28 03:09:09,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:09:09,478 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:09,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:09,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2020-11-28 03:09:09,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:09,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143718401] [2020-11-28 03:09:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:09,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143718401] [2020-11-28 03:09:09,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:09,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:09:09,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29777293] [2020-11-28 03:09:09,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:09,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:09,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:09,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:09,575 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2020-11-28 03:09:09,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:09,976 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2020-11-28 03:09:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:09:09,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-28 03:09:09,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:09,981 INFO L225 Difference]: With dead ends: 605 [2020-11-28 03:09:09,981 INFO L226 Difference]: Without dead ends: 448 [2020-11-28 03:09:09,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:09:09,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-28 03:09:10,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2020-11-28 03:09:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-28 03:09:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2020-11-28 03:09:10,036 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2020-11-28 03:09:10,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:10,040 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2020-11-28 03:09:10,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2020-11-28 03:09:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:09:10,044 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:10,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:10,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:09:10,045 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:10,045 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2020-11-28 03:09:10,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:10,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289970481] [2020-11-28 03:09:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:10,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289970481] [2020-11-28 03:09:10,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:10,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:10,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711774390] [2020-11-28 03:09:10,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:10,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:10,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:10,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:10,141 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2020-11-28 03:09:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:10,262 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2020-11-28 03:09:10,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:09:10,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:09:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:10,265 INFO L225 Difference]: With dead ends: 479 [2020-11-28 03:09:10,266 INFO L226 Difference]: Without dead ends: 324 [2020-11-28 03:09:10,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:09:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-11-28 03:09:10,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2020-11-28 03:09:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-28 03:09:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2020-11-28 03:09:10,303 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2020-11-28 03:09:10,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:10,303 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2020-11-28 03:09:10,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2020-11-28 03:09:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:09:10,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:10,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:10,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:09:10,306 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:10,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:10,306 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2020-11-28 03:09:10,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:10,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689946253] [2020-11-28 03:09:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:10,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689946253] [2020-11-28 03:09:10,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:10,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:09:10,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638850323] [2020-11-28 03:09:10,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:09:10,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:10,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:09:10,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:09:10,432 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2020-11-28 03:09:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:10,582 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2020-11-28 03:09:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:09:10,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 03:09:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:10,586 INFO L225 Difference]: With dead ends: 513 [2020-11-28 03:09:10,587 INFO L226 Difference]: Without dead ends: 346 [2020-11-28 03:09:10,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:09:10,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-28 03:09:10,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2020-11-28 03:09:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-28 03:09:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2020-11-28 03:09:10,629 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2020-11-28 03:09:10,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:10,629 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2020-11-28 03:09:10,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:09:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2020-11-28 03:09:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:09:10,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:10,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:10,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:09:10,636 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:10,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:10,637 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2020-11-28 03:09:10,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:10,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151166135] [2020-11-28 03:09:10,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:10,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151166135] [2020-11-28 03:09:10,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:10,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:09:10,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747891276] [2020-11-28 03:09:10,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:09:10,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:10,722 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2020-11-28 03:09:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:10,789 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2020-11-28 03:09:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:10,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 03:09:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:10,792 INFO L225 Difference]: With dead ends: 445 [2020-11-28 03:09:10,792 INFO L226 Difference]: Without dead ends: 270 [2020-11-28 03:09:10,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-11-28 03:09:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-11-28 03:09:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-28 03:09:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2020-11-28 03:09:10,834 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2020-11-28 03:09:10,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:10,834 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2020-11-28 03:09:10,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:09:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2020-11-28 03:09:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:09:10,837 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:10,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:10,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:09:10,838 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:10,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:10,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2020-11-28 03:09:10,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:10,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41873778] [2020-11-28 03:09:10,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:10,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41873778] [2020-11-28 03:09:10,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:10,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:10,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215715522] [2020-11-28 03:09:10,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:09:10,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:10,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:10,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:10,923 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2020-11-28 03:09:11,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:11,009 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2020-11-28 03:09:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:11,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:09:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:11,013 INFO L225 Difference]: With dead ends: 389 [2020-11-28 03:09:11,013 INFO L226 Difference]: Without dead ends: 387 [2020-11-28 03:09:11,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:11,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-11-28 03:09:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2020-11-28 03:09:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-28 03:09:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2020-11-28 03:09:11,062 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2020-11-28 03:09:11,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:11,063 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2020-11-28 03:09:11,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:09:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2020-11-28 03:09:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:09:11,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:11,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:11,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:09:11,065 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:11,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:11,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2028420446, now seen corresponding path program 1 times [2020-11-28 03:09:11,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:11,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846292467] [2020-11-28 03:09:11,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:11,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846292467] [2020-11-28 03:09:11,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:11,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:09:11,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642176448] [2020-11-28 03:09:11,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:09:11,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:11,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:09:11,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:09:11,242 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2020-11-28 03:09:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:11,784 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2020-11-28 03:09:11,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:09:11,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-28 03:09:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:11,798 INFO L225 Difference]: With dead ends: 1729 [2020-11-28 03:09:11,798 INFO L226 Difference]: Without dead ends: 1508 [2020-11-28 03:09:11,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:09:11,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-11-28 03:09:11,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2020-11-28 03:09:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-28 03:09:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2020-11-28 03:09:11,922 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2020-11-28 03:09:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:11,925 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2020-11-28 03:09:11,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:09:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2020-11-28 03:09:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:09:11,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:11,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:11,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:09:11,928 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:11,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:11,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1770255008, now seen corresponding path program 1 times [2020-11-28 03:09:11,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:11,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977814779] [2020-11-28 03:09:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:09:12,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977814779] [2020-11-28 03:09:12,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:12,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:09:12,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613426796] [2020-11-28 03:09:12,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:09:12,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:12,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:09:12,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:09:12,035 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2020-11-28 03:09:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:12,260 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2020-11-28 03:09:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:09:12,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:09:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:12,266 INFO L225 Difference]: With dead ends: 1322 [2020-11-28 03:09:12,266 INFO L226 Difference]: Without dead ends: 758 [2020-11-28 03:09:12,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:09:12,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-11-28 03:09:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2020-11-28 03:09:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-11-28 03:09:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2020-11-28 03:09:12,343 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2020-11-28 03:09:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:12,344 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2020-11-28 03:09:12,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:09:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2020-11-28 03:09:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:09:12,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:12,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:12,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:09:12,347 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:12,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash 2035294012, now seen corresponding path program 1 times [2020-11-28 03:09:12,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:12,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71919748] [2020-11-28 03:09:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:12,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71919748] [2020-11-28 03:09:12,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:12,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:12,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558185954] [2020-11-28 03:09:12,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:12,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:12,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:12,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:12,446 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2020-11-28 03:09:12,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:12,717 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2020-11-28 03:09:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:09:12,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 03:09:12,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:12,721 INFO L225 Difference]: With dead ends: 634 [2020-11-28 03:09:12,722 INFO L226 Difference]: Without dead ends: 363 [2020-11-28 03:09:12,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:09:12,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-11-28 03:09:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2020-11-28 03:09:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-11-28 03:09:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2020-11-28 03:09:12,802 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2020-11-28 03:09:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:12,802 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2020-11-28 03:09:12,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2020-11-28 03:09:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 03:09:12,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:12,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:12,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:09:12,807 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:12,808 INFO L82 PathProgramCache]: Analyzing trace with hash -269740822, now seen corresponding path program 1 times [2020-11-28 03:09:12,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:12,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163500371] [2020-11-28 03:09:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:09:12,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163500371] [2020-11-28 03:09:12,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:12,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:12,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982964231] [2020-11-28 03:09:12,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:09:12,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:12,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:12,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:12,896 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2020-11-28 03:09:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:13,197 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2020-11-28 03:09:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:13,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-28 03:09:13,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:13,199 INFO L225 Difference]: With dead ends: 707 [2020-11-28 03:09:13,199 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:09:13,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:09:13,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:09:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:09:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:09:13,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-28 03:09:13,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:13,203 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:13,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:09:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:09:13,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:09:13,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:09:13,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:09:13,809 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 189 [2020-11-28 03:09:14,116 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 163 [2020-11-28 03:09:14,447 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2020-11-28 03:09:14,908 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 188 [2020-11-28 03:09:15,295 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 165 [2020-11-28 03:09:16,005 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 191 [2020-11-28 03:09:16,166 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 90 [2020-11-28 03:09:16,509 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2020-11-28 03:09:16,842 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 173 [2020-11-28 03:09:18,021 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-11-28 03:09:18,824 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-11-28 03:09:19,000 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2020-11-28 03:09:19,788 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 34 [2020-11-28 03:09:20,679 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 29 [2020-11-28 03:09:20,880 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2020-11-28 03:09:21,529 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-11-28 03:09:22,574 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 182 DAG size of output: 33 [2020-11-28 03:09:22,794 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2020-11-28 03:09:23,183 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2020-11-28 03:09:23,452 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-11-28 03:09:23,817 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2020-11-28 03:09:24,559 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point L498-3(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:09:24,584 INFO L274 CegarLoopResult]: For program point L498-5(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:09:24,585 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:09:24,585 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:09:24,585 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:09:24,585 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-28 03:09:24,585 INFO L274 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-11-28 03:09:24,585 INFO L274 CegarLoopResult]: For program point L533-1(lines 131 137) no Hoare annotation was computed. [2020-11-28 03:09:24,586 INFO L270 CegarLoopResult]: At program point L401(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:09:24,586 INFO L270 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-11-28 03:09:24,586 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-28 03:09:24,586 INFO L270 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-11-28 03:09:24,586 INFO L270 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-11-28 03:09:24,586 INFO L274 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-11-28 03:09:24,586 INFO L277 CegarLoopResult]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2020-11-28 03:09:24,587 INFO L270 CegarLoopResult]: At program point L503(lines 494 507) the Hoare annotation is: false [2020-11-28 03:09:24,587 INFO L270 CegarLoopResult]: At program point L503-1(lines 494 507) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:09:24,587 INFO L270 CegarLoopResult]: At program point L503-2(lines 494 507) the Hoare annotation is: false [2020-11-28 03:09:24,587 INFO L270 CegarLoopResult]: At program point L503-3(lines 494 507) the Hoare annotation is: false [2020-11-28 03:09:24,587 INFO L270 CegarLoopResult]: At program point L503-4(lines 494 507) the Hoare annotation is: false [2020-11-28 03:09:24,587 INFO L270 CegarLoopResult]: At program point L503-5(lines 494 507) the Hoare annotation is: false [2020-11-28 03:09:24,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:09:24,588 INFO L270 CegarLoopResult]: At program point L242(lines 237 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3))) [2020-11-28 03:09:24,588 INFO L270 CegarLoopResult]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2020-11-28 03:09:24,588 INFO L270 CegarLoopResult]: At program point L242-2(lines 237 245) the Hoare annotation is: false [2020-11-28 03:09:24,588 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:09:24,588 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2020-11-28 03:09:24,588 INFO L270 CegarLoopResult]: At program point L409(lines 404 412) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:09:24,589 INFO L270 CegarLoopResult]: At program point L343(lines 338 345) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:09:24,589 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:09:24,589 INFO L274 CegarLoopResult]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:09:24,589 INFO L274 CegarLoopResult]: For program point L310-3(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:09:24,589 INFO L274 CegarLoopResult]: For program point L310-5(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:09:24,589 INFO L274 CegarLoopResult]: For program point L310-6(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:09:24,589 INFO L274 CegarLoopResult]: For program point L310-8(lines 310 314) no Hoare annotation was computed. [2020-11-28 03:09:24,590 INFO L277 CegarLoopResult]: At program point L610(lines 591 613) the Hoare annotation is: true [2020-11-28 03:09:24,590 INFO L270 CegarLoopResult]: At program point L577(lines 573 579) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:09:24,590 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-28 03:09:24,590 INFO L270 CegarLoopResult]: At program point L513(lines 508 516) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:24,590 INFO L270 CegarLoopResult]: At program point L513-1(lines 508 516) the Hoare annotation is: false [2020-11-28 03:09:24,590 INFO L270 CegarLoopResult]: At program point L513-2(lines 508 516) the Hoare annotation is: false [2020-11-28 03:09:24,591 INFO L270 CegarLoopResult]: At program point L316(lines 301 319) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:24,591 INFO L270 CegarLoopResult]: At program point L316-1(lines 301 319) the Hoare annotation is: false [2020-11-28 03:09:24,591 INFO L270 CegarLoopResult]: At program point L316-2(lines 301 319) the Hoare annotation is: false [2020-11-28 03:09:24,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:09:24,591 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-28 03:09:24,591 INFO L274 CegarLoopResult]: For program point L354(lines 354 371) no Hoare annotation was computed. [2020-11-28 03:09:24,591 INFO L270 CegarLoopResult]: At program point L354-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2020-11-28 03:09:24,591 INFO L274 CegarLoopResult]: For program point L354-2(lines 354 371) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L270 CegarLoopResult]: At program point L354-3(lines 1 988) the Hoare annotation is: false [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L354-4(lines 354 371) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L270 CegarLoopResult]: At program point L354-5(lines 1 988) the Hoare annotation is: false [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-11-28 03:09:24,592 INFO L274 CegarLoopResult]: For program point L619-2(line 619) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L274 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2020-11-28 03:09:24,593 INFO L270 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse3))) [2020-11-28 03:09:24,594 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,594 INFO L274 CegarLoopResult]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,594 INFO L274 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,594 INFO L274 CegarLoopResult]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,596 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:09:24,596 INFO L274 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,597 INFO L270 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse4 .cse6 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 .cse2 .cse0 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse1 .cse0 .cse3 .cse4 .cse6 .cse5))) [2020-11-28 03:09:24,597 INFO L274 CegarLoopResult]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,597 INFO L274 CegarLoopResult]: For program point L291-9(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,597 INFO L274 CegarLoopResult]: For program point L291-11(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,597 INFO L274 CegarLoopResult]: For program point L291-12(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,598 INFO L274 CegarLoopResult]: For program point L291-14(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,598 INFO L274 CegarLoopResult]: For program point L291-15(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,598 INFO L274 CegarLoopResult]: For program point L291-17(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:09:24,598 INFO L274 CegarLoopResult]: For program point L358(lines 358 368) no Hoare annotation was computed. [2020-11-28 03:09:24,598 INFO L274 CegarLoopResult]: For program point L358-2(lines 358 368) no Hoare annotation was computed. [2020-11-28 03:09:24,599 INFO L274 CegarLoopResult]: For program point L358-4(lines 358 368) no Hoare annotation was computed. [2020-11-28 03:09:24,599 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-11-28 03:09:24,599 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-11-28 03:09:24,599 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-11-28 03:09:24,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:09:24,599 INFO L270 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-11-28 03:09:24,600 INFO L270 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: false [2020-11-28 03:09:24,600 INFO L270 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2020-11-28 03:09:24,600 INFO L274 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-11-28 03:09:24,600 INFO L274 CegarLoopResult]: For program point L359-2(lines 359 365) no Hoare annotation was computed. [2020-11-28 03:09:24,600 INFO L274 CegarLoopResult]: For program point L359-4(lines 359 365) no Hoare annotation was computed. [2020-11-28 03:09:24,601 INFO L274 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-11-28 03:09:24,601 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-11-28 03:09:24,601 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-11-28 03:09:24,601 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-11-28 03:09:24,601 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-11-28 03:09:24,601 INFO L274 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-11-28 03:09:24,602 INFO L270 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse5))) [2020-11-28 03:09:24,602 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-11-28 03:09:24,602 INFO L270 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-11-28 03:09:24,602 INFO L270 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-11-28 03:09:24,602 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:09:24,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:09:24,603 INFO L270 CegarLoopResult]: At program point L297(lines 282 300) the Hoare annotation is: false [2020-11-28 03:09:24,603 INFO L270 CegarLoopResult]: At program point L297-1(lines 282 300) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:09:24,603 INFO L270 CegarLoopResult]: At program point L297-2(lines 282 300) the Hoare annotation is: false [2020-11-28 03:09:24,604 INFO L270 CegarLoopResult]: At program point L297-3(lines 282 300) the Hoare annotation is: false [2020-11-28 03:09:24,604 INFO L270 CegarLoopResult]: At program point L297-4(lines 282 300) the Hoare annotation is: false [2020-11-28 03:09:24,604 INFO L270 CegarLoopResult]: At program point L297-5(lines 282 300) the Hoare annotation is: false [2020-11-28 03:09:24,604 INFO L270 CegarLoopResult]: At program point L529-2(lines 529 543) the Hoare annotation is: false [2020-11-28 03:09:24,604 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-28 03:09:24,604 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2020-11-28 03:09:24,605 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 03:09:24,605 INFO L274 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-11-28 03:09:24,605 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-11-28 03:09:24,605 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-11-28 03:09:24,605 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-11-28 03:09:24,605 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-11-28 03:09:24,606 INFO L274 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-11-28 03:09:24,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:09:24 BoogieIcfgContainer [2020-11-28 03:09:24,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:09:24,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:24,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:24,643 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:24,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:07" (3/4) ... [2020-11-28 03:09:24,648 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:09:24,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:09:24,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:09:24,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:09:24,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:09:24,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:09:24,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:09:24,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:09:24,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:09:24,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:09:24,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:09:24,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 03:09:24,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 03:09:24,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 03:09:24,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:09:24,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:09:24,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:09:24,719 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 03:09:24,720 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:09:24,721 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:09:24,722 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:09:24,723 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 03:09:24,723 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:09:24,724 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:09:24,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ccd1ede5-ca9b-4d30-96ed-05727381853f/bin/uautomizer/witness.graphml [2020-11-28 03:09:24,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:24,838 INFO L168 Benchmark]: Toolchain (without parser) took 20140.92 ms. Allocated memory was 113.2 MB in the beginning and 249.6 MB in the end (delta: 136.3 MB). Free memory was 81.1 MB in the beginning and 196.5 MB in the end (delta: -115.3 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,838 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 71.3 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:24,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.19 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 80.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.67 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 76.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,844 INFO L168 Benchmark]: Boogie Preprocessor took 110.26 ms. Allocated memory is still 113.2 MB. Free memory was 76.5 MB in the beginning and 73.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,844 INFO L168 Benchmark]: RCFGBuilder took 1482.59 ms. Allocated memory is still 113.2 MB. Free memory was 73.7 MB in the beginning and 65.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,845 INFO L168 Benchmark]: TraceAbstraction took 17340.16 ms. Allocated memory was 113.2 MB in the beginning and 249.6 MB in the end (delta: 136.3 MB). Free memory was 65.8 MB in the beginning and 207.0 MB in the end (delta: -141.2 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,845 INFO L168 Benchmark]: Witness Printer took 193.36 ms. Allocated memory is still 249.6 MB. Free memory was 207.0 MB in the beginning and 196.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:24,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 71.3 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 875.19 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 80.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.67 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 76.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.26 ms. Allocated memory is still 113.2 MB. Free memory was 76.5 MB in the beginning and 73.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1482.59 ms. Allocated memory is still 113.2 MB. Free memory was 73.7 MB in the beginning and 65.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17340.16 ms. Allocated memory was 113.2 MB in the beginning and 249.6 MB in the end (delta: 136.3 MB). Free memory was 65.8 MB in the beginning and 207.0 MB in the end (delta: -141.2 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. * Witness Printer took 193.36 ms. Allocated memory is still 249.6 MB. Free memory was 207.0 MB in the beginning and 196.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 404]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2159 SDslu, 2418 SDs, 0 SdLazy, 280 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 2170 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 825 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1299367 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 541484 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...