./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80abb928521d4c2048eaebb41a9ea5bc19908ad5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:18:02,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:18:02,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:18:02,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:18:02,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:18:02,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:18:02,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:18:02,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:18:02,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:18:02,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:18:02,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:18:02,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:18:02,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:18:02,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:18:02,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:18:02,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:18:02,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:18:02,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:18:02,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:18:02,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:18:02,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:18:02,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:18:02,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:18:02,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:18:02,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:18:02,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:18:02,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:18:02,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:18:02,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:18:02,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:18:02,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:18:02,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:18:02,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:18:02,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:18:02,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:18:02,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:18:02,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:18:02,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:18:02,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:18:02,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:18:02,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:18:02,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:18:03,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:18:03,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:18:03,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:18:03,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:18:03,024 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:18:03,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:18:03,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:18:03,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:18:03,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:18:03,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:18:03,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:18:03,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:18:03,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:18:03,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:18:03,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:18:03,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:18:03,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:18:03,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:18:03,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:18:03,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:18:03,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:18:03,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:18:03,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:18:03,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:18:03,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:18:03,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:18:03,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:18:03,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:18:03,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/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(__VERIFIER_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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-11-20 00:18:03,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:18:03,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:18:03,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:18:03,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:18:03,196 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:18:03,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-20 00:18:03,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/data/f9fdb2d99/c340c0cfb67e4d5984e39c5d86fe7a30/FLAGf10a0c033 [2019-11-20 00:18:03,766 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:18:03,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-20 00:18:03,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/data/f9fdb2d99/c340c0cfb67e4d5984e39c5d86fe7a30/FLAGf10a0c033 [2019-11-20 00:18:04,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/data/f9fdb2d99/c340c0cfb67e4d5984e39c5d86fe7a30 [2019-11-20 00:18:04,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:18:04,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:18:04,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:18:04,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:18:04,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:18:04,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc7e569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04, skipping insertion in model container [2019-11-20 00:18:04,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:18:04,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:18:04,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:18:04,653 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:18:04,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:18:04,776 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:18:04,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04 WrapperNode [2019-11-20 00:18:04,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:18:04,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:18:04,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:18:04,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:18:04,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:18:04,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:18:04,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:18:04,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:18:04,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... [2019-11-20 00:18:04,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:18:04,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:18:04,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:18:04,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:18:04,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/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 [2019-11-20 00:18:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:18:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:18:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:18:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:18:05,796 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:18:05,796 INFO L285 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-20 00:18:05,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:05 BoogieIcfgContainer [2019-11-20 00:18:05,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:18:05,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:18:05,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:18:05,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:18:05,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:18:04" (1/3) ... [2019-11-20 00:18:05,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69258eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:18:05, skipping insertion in model container [2019-11-20 00:18:05,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:04" (2/3) ... [2019-11-20 00:18:05,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69258eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:18:05, skipping insertion in model container [2019-11-20 00:18:05,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:05" (3/3) ... [2019-11-20 00:18:05,813 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-20 00:18:05,822 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:18:05,830 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 00:18:05,840 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 00:18:05,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:18:05,872 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:18:05,873 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:18:05,873 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:18:05,874 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:18:05,875 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:18:05,875 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:18:05,875 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:18:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-11-20 00:18:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 00:18:05,898 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:05,899 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:18:05,899 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2019-11-20 00:18:05,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:05,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560203190] [2019-11-20 00:18:05,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:06,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560203190] [2019-11-20 00:18:06,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:06,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:18:06,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021958337] [2019-11-20 00:18:06,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:18:06,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:06,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:18:06,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:18:06,131 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-11-20 00:18:06,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:06,161 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-11-20 00:18:06,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:18:06,162 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 00:18:06,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:06,173 INFO L225 Difference]: With dead ends: 235 [2019-11-20 00:18:06,174 INFO L226 Difference]: Without dead ends: 117 [2019-11-20 00:18:06,177 INFO L630 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 [2019-11-20 00:18:06,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-20 00:18:06,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-20 00:18:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-20 00:18:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-11-20 00:18:06,220 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-11-20 00:18:06,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:06,220 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-11-20 00:18:06,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:18:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-11-20 00:18:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 00:18:06,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:06,222 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:18:06,222 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:06,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:06,223 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2019-11-20 00:18:06,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:06,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705859061] [2019-11-20 00:18:06,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:06,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705859061] [2019-11-20 00:18:06,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:06,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:18:06,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979132430] [2019-11-20 00:18:06,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:06,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:06,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:06,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:06,331 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-11-20 00:18:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:06,348 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-11-20 00:18:06,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:06,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 00:18:06,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:06,350 INFO L225 Difference]: With dead ends: 117 [2019-11-20 00:18:06,351 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 00:18:06,352 INFO L630 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 [2019-11-20 00:18:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 00:18:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-20 00:18:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-20 00:18:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-20 00:18:06,366 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-20 00:18:06,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:06,367 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-20 00:18:06,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-20 00:18:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 00:18:06,370 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:06,370 INFO L410 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] [2019-11-20 00:18:06,370 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:06,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:06,371 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2019-11-20 00:18:06,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:06,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417364808] [2019-11-20 00:18:06,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:06,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417364808] [2019-11-20 00:18:06,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:06,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:18:06,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665833623] [2019-11-20 00:18:06,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:06,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:06,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:06,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:06,473 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-20 00:18:06,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:06,497 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-11-20 00:18:06,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:06,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-20 00:18:06,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:06,499 INFO L225 Difference]: With dead ends: 91 [2019-11-20 00:18:06,499 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 00:18:06,500 INFO L630 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 [2019-11-20 00:18:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 00:18:06,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-20 00:18:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-20 00:18:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-20 00:18:06,505 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-20 00:18:06,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:06,506 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-20 00:18:06,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-20 00:18:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 00:18:06,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:06,507 INFO L410 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] [2019-11-20 00:18:06,508 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:06,508 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2019-11-20 00:18:06,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:06,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523837066] [2019-11-20 00:18:06,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:06,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523837066] [2019-11-20 00:18:06,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:06,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:18:06,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642698479] [2019-11-20 00:18:06,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:06,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:06,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:06,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:06,567 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-20 00:18:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:06,630 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-20 00:18:06,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:06,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 00:18:06,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:06,633 INFO L225 Difference]: With dead ends: 113 [2019-11-20 00:18:06,633 INFO L226 Difference]: Without dead ends: 71 [2019-11-20 00:18:06,634 INFO L630 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 [2019-11-20 00:18:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-20 00:18:06,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-11-20 00:18:06,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-20 00:18:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-11-20 00:18:06,642 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-11-20 00:18:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:06,642 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-11-20 00:18:06,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:06,643 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-11-20 00:18:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 00:18:06,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:06,644 INFO L410 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] [2019-11-20 00:18:06,644 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:06,645 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2019-11-20 00:18:06,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:06,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613361959] [2019-11-20 00:18:06,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:06,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613361959] [2019-11-20 00:18:06,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:06,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:18:06,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658208919] [2019-11-20 00:18:06,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:18:06,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:06,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:18:06,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:18:06,730 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-11-20 00:18:06,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:06,812 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-11-20 00:18:06,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:18:06,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 00:18:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:06,814 INFO L225 Difference]: With dead ends: 182 [2019-11-20 00:18:06,814 INFO L226 Difference]: Without dead ends: 120 [2019-11-20 00:18:06,815 INFO L630 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 [2019-11-20 00:18:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-20 00:18:06,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-11-20 00:18:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-20 00:18:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-11-20 00:18:06,825 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-11-20 00:18:06,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:06,825 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-11-20 00:18:06,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:18:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-11-20 00:18:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 00:18:06,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:06,827 INFO L410 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] [2019-11-20 00:18:06,827 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:06,828 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2019-11-20 00:18:06,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:06,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755603568] [2019-11-20 00:18:06,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:06,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755603568] [2019-11-20 00:18:06,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:06,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 00:18:06,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058313173] [2019-11-20 00:18:06,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:18:06,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:06,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:18:06,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:18:06,934 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-11-20 00:18:07,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:07,057 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-11-20 00:18:07,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 00:18:07,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 00:18:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:07,061 INFO L225 Difference]: With dead ends: 387 [2019-11-20 00:18:07,061 INFO L226 Difference]: Without dead ends: 319 [2019-11-20 00:18:07,062 INFO L630 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 [2019-11-20 00:18:07,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-20 00:18:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-11-20 00:18:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-20 00:18:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-11-20 00:18:07,087 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-11-20 00:18:07,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:07,088 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-11-20 00:18:07,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:18:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-11-20 00:18:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 00:18:07,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:07,091 INFO L410 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] [2019-11-20 00:18:07,093 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:07,094 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2019-11-20 00:18:07,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:07,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921028985] [2019-11-20 00:18:07,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:07,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921028985] [2019-11-20 00:18:07,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:07,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 00:18:07,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119551544] [2019-11-20 00:18:07,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:18:07,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:07,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:18:07,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:18:07,181 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-11-20 00:18:07,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:07,327 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-11-20 00:18:07,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 00:18:07,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-20 00:18:07,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:07,332 INFO L225 Difference]: With dead ends: 506 [2019-11-20 00:18:07,332 INFO L226 Difference]: Without dead ends: 378 [2019-11-20 00:18:07,334 INFO L630 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 [2019-11-20 00:18:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-20 00:18:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-11-20 00:18:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-20 00:18:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-11-20 00:18:07,357 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-11-20 00:18:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:07,358 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-11-20 00:18:07,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:18:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-11-20 00:18:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 00:18:07,364 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:07,365 INFO L410 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] [2019-11-20 00:18:07,365 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:07,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:07,366 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2019-11-20 00:18:07,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:07,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277664761] [2019-11-20 00:18:07,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:07,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277664761] [2019-11-20 00:18:07,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:07,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:18:07,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153038105] [2019-11-20 00:18:07,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:18:07,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:07,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:18:07,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:18:07,424 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-11-20 00:18:07,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:07,573 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-11-20 00:18:07,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:18:07,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-20 00:18:07,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:07,575 INFO L225 Difference]: With dead ends: 357 [2019-11-20 00:18:07,576 INFO L226 Difference]: Without dead ends: 230 [2019-11-20 00:18:07,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:18:07,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-20 00:18:07,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-11-20 00:18:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-20 00:18:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-11-20 00:18:07,599 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-11-20 00:18:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:07,599 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-11-20 00:18:07,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:18:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-11-20 00:18:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 00:18:07,603 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:07,603 INFO L410 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] [2019-11-20 00:18:07,604 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:07,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:07,604 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2019-11-20 00:18:07,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:07,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509642796] [2019-11-20 00:18:07,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:07,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509642796] [2019-11-20 00:18:07,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:07,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:18:07,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818444506] [2019-11-20 00:18:07,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:07,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:07,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:07,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:07,658 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-11-20 00:18:07,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:07,696 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-11-20 00:18:07,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:07,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-20 00:18:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:07,698 INFO L225 Difference]: With dead ends: 327 [2019-11-20 00:18:07,699 INFO L226 Difference]: Without dead ends: 192 [2019-11-20 00:18:07,699 INFO L630 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 [2019-11-20 00:18:07,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-20 00:18:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-20 00:18:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-20 00:18:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-11-20 00:18:07,725 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-11-20 00:18:07,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:07,725 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-11-20 00:18:07,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-11-20 00:18:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:18:07,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:07,728 INFO L410 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] [2019-11-20 00:18:07,729 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:07,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:07,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2019-11-20 00:18:07,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:07,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863854584] [2019-11-20 00:18:07,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:07,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:07,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863854584] [2019-11-20 00:18:07,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:07,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:18:07,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218499571] [2019-11-20 00:18:07,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:07,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:07,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:07,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:07,805 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-11-20 00:18:07,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:07,860 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-11-20 00:18:07,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:07,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-20 00:18:07,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:07,863 INFO L225 Difference]: With dead ends: 295 [2019-11-20 00:18:07,863 INFO L226 Difference]: Without dead ends: 293 [2019-11-20 00:18:07,864 INFO L630 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 [2019-11-20 00:18:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-11-20 00:18:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-11-20 00:18:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-20 00:18:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-11-20 00:18:07,906 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-11-20 00:18:07,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:07,906 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-11-20 00:18:07,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-11-20 00:18:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 00:18:07,908 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:07,910 INFO L410 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] [2019-11-20 00:18:07,911 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:07,911 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2019-11-20 00:18:07,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:07,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349512387] [2019-11-20 00:18:07,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:07,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349512387] [2019-11-20 00:18:07,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423799866] [2019-11-20 00:18:07,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 00:18:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:08,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:18:08,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:08,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 00:18:08,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-20 00:18:08,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8022463] [2019-11-20 00:18:08,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:08,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:08,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:08,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:18:08,239 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-11-20 00:18:08,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:08,328 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-11-20 00:18:08,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:08,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-20 00:18:08,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:08,331 INFO L225 Difference]: With dead ends: 374 [2019-11-20 00:18:08,331 INFO L226 Difference]: Without dead ends: 197 [2019-11-20 00:18:08,332 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:18:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-20 00:18:08,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-20 00:18:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-20 00:18:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-11-20 00:18:08,352 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-11-20 00:18:08,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:08,353 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-11-20 00:18:08,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-11-20 00:18:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 00:18:08,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:08,355 INFO L410 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] [2019-11-20 00:18:08,561 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 00:18:08,561 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:08,562 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2019-11-20 00:18:08,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:08,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707682769] [2019-11-20 00:18:08,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 00:18:08,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707682769] [2019-11-20 00:18:08,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254041993] [2019-11-20 00:18:08,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 00:18:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:08,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:18:08,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 00:18:08,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 00:18:08,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-20 00:18:08,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7396747] [2019-11-20 00:18:08,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:18:08,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:08,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:18:08,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 00:18:08,914 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-11-20 00:18:09,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:09,028 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-11-20 00:18:09,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:18:09,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-20 00:18:09,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:09,031 INFO L225 Difference]: With dead ends: 494 [2019-11-20 00:18:09,031 INFO L226 Difference]: Without dead ends: 354 [2019-11-20 00:18:09,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-20 00:18:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-20 00:18:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-11-20 00:18:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-20 00:18:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-11-20 00:18:09,055 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-11-20 00:18:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:09,055 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-11-20 00:18:09,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:18:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-11-20 00:18:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 00:18:09,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:09,057 INFO L410 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] [2019-11-20 00:18:09,262 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 00:18:09,271 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:18:09,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:09,271 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2019-11-20 00:18:09,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:18:09,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412689210] [2019-11-20 00:18:09,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:18:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:09,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412689210] [2019-11-20 00:18:09,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:09,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 00:18:09,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855650550] [2019-11-20 00:18:09,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 00:18:09,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:18:09,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 00:18:09,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 00:18:09,426 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-11-20 00:18:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:09,665 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-11-20 00:18:09,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 00:18:09,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-20 00:18:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:09,667 INFO L225 Difference]: With dead ends: 585 [2019-11-20 00:18:09,667 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:18:09,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-20 00:18:09,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:18:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:18:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:18:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:18:09,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-20 00:18:09,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:09,669 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:18:09,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 00:18:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:18:09,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:18:09,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:18:09,896 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2019-11-20 00:18:10,031 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2019-11-20 00:18:10,202 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2019-11-20 00:18:10,308 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2019-11-20 00:18:10,708 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2019-11-20 00:18:11,106 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-20 00:18:11,435 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-20 00:18:11,860 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-11-20 00:18:12,233 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-20 00:18:12,536 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2019-11-20 00:18:12,961 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2019-11-20 00:18:13,169 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2019-11-20 00:18:13,509 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-20 00:18:13,815 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-11-20 00:18:14,199 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-11-20 00:18:14,202 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-20 00:18:14,202 INFO L440 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: false [2019-11-20 00:18:14,202 INFO L444 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-11-20 00:18:14,202 INFO L444 ceAbstractionStarter]: For program point L399-1(lines 399 416) no Hoare annotation was computed. [2019-11-20 00:18:14,202 INFO L444 ceAbstractionStarter]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2019-11-20 00:18:14,202 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-20 00:18:14,202 INFO L444 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-11-20 00:18:14,203 INFO L440 ceAbstractionStarter]: At program point L201-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-20 00:18:14,203 INFO L444 ceAbstractionStarter]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-11-20 00:18:14,203 INFO L444 ceAbstractionStarter]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-11-20 00:18:14,203 INFO L440 ceAbstractionStarter]: At program point L201-3(lines 1 979) the Hoare annotation is: false [2019-11-20 00:18:14,203 INFO L444 ceAbstractionStarter]: For program point L201-4(lines 201 218) no Hoare annotation was computed. [2019-11-20 00:18:14,203 INFO L444 ceAbstractionStarter]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-11-20 00:18:14,203 INFO L440 ceAbstractionStarter]: At program point L201-5(lines 1 979) the Hoare annotation is: false [2019-11-20 00:18:14,203 INFO L444 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-3(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-5(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-6(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-8(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-9(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-11(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-12(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,204 INFO L444 ceAbstractionStarter]: For program point L501-14(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L501-15(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L501-17(lines 501 505) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 403 411) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L440 ceAbstractionStarter]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-20 00:18:14,205 INFO L440 ceAbstractionStarter]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-11-20 00:18:14,205 INFO L440 ceAbstractionStarter]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-20 00:18:14,205 INFO L444 ceAbstractionStarter]: For program point L205-2(lines 205 215) no Hoare annotation was computed. [2019-11-20 00:18:14,206 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 00:18:14,206 INFO L444 ceAbstractionStarter]: For program point L205-4(lines 205 215) no Hoare annotation was computed. [2019-11-20 00:18:14,206 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-11-20 00:18:14,206 INFO L440 ceAbstractionStarter]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-11-20 00:18:14,206 INFO L444 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-20 00:18:14,206 INFO L444 ceAbstractionStarter]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2019-11-20 00:18:14,206 INFO L444 ceAbstractionStarter]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2019-11-20 00:18:14,206 INFO L440 ceAbstractionStarter]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 00:18:14,207 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-20 00:18:14,207 INFO L444 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-11-20 00:18:14,207 INFO L444 ceAbstractionStarter]: For program point L373-1(lines 373 390) no Hoare annotation was computed. [2019-11-20 00:18:14,207 INFO L444 ceAbstractionStarter]: For program point L373-2(lines 373 390) no Hoare annotation was computed. [2019-11-20 00:18:14,207 INFO L444 ceAbstractionStarter]: For program point L373-3(lines 373 390) no Hoare annotation was computed. [2019-11-20 00:18:14,207 INFO L444 ceAbstractionStarter]: For program point L373-4(lines 373 390) no Hoare annotation was computed. [2019-11-20 00:18:14,208 INFO L444 ceAbstractionStarter]: For program point L373-5(lines 373 390) no Hoare annotation was computed. [2019-11-20 00:18:14,209 INFO L440 ceAbstractionStarter]: At program point L341(lines 340 359) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) (and .cse0 .cse2)))) [2019-11-20 00:18:14,209 INFO L444 ceAbstractionStarter]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2019-11-20 00:18:14,209 INFO L440 ceAbstractionStarter]: At program point L341-2(lines 340 359) the Hoare annotation is: false [2019-11-20 00:18:14,209 INFO L440 ceAbstractionStarter]: At program point L341-3(lines 340 359) the Hoare annotation is: false [2019-11-20 00:18:14,210 INFO L447 ceAbstractionStarter]: At program point L176(lines 157 179) the Hoare annotation is: true [2019-11-20 00:18:14,210 INFO L440 ceAbstractionStarter]: At program point L507(lines 492 510) the Hoare annotation is: false [2019-11-20 00:18:14,210 INFO L440 ceAbstractionStarter]: At program point L507-1(lines 492 510) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2) (and .cse3 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and .cse3 (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2)))) [2019-11-20 00:18:14,210 INFO L440 ceAbstractionStarter]: At program point L507-2(lines 492 510) the Hoare annotation is: false [2019-11-20 00:18:14,210 INFO L440 ceAbstractionStarter]: At program point L507-3(lines 492 510) the Hoare annotation is: false [2019-11-20 00:18:14,211 INFO L440 ceAbstractionStarter]: At program point L507-4(lines 492 510) the Hoare annotation is: false [2019-11-20 00:18:14,211 INFO L440 ceAbstractionStarter]: At program point L507-5(lines 492 510) the Hoare annotation is: false [2019-11-20 00:18:14,211 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-11-20 00:18:14,211 INFO L444 ceAbstractionStarter]: For program point L377-1(lines 377 385) no Hoare annotation was computed. [2019-11-20 00:18:14,211 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-11-20 00:18:14,211 INFO L444 ceAbstractionStarter]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-11-20 00:18:14,212 INFO L444 ceAbstractionStarter]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-11-20 00:18:14,212 INFO L444 ceAbstractionStarter]: For program point L377-3(lines 377 385) no Hoare annotation was computed. [2019-11-20 00:18:14,212 INFO L444 ceAbstractionStarter]: For program point L311-2(lines 311 317) no Hoare annotation was computed. [2019-11-20 00:18:14,212 INFO L444 ceAbstractionStarter]: For program point L377-4(lines 377 385) no Hoare annotation was computed. [2019-11-20 00:18:14,212 INFO L444 ceAbstractionStarter]: For program point L311-3(lines 311 317) no Hoare annotation was computed. [2019-11-20 00:18:14,213 INFO L444 ceAbstractionStarter]: For program point L377-5(lines 377 385) no Hoare annotation was computed. [2019-11-20 00:18:14,213 INFO L444 ceAbstractionStarter]: For program point L311-4(lines 311 317) no Hoare annotation was computed. [2019-11-20 00:18:14,213 INFO L444 ceAbstractionStarter]: For program point L311-5(lines 311 317) no Hoare annotation was computed. [2019-11-20 00:18:14,213 INFO L444 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-20 00:18:14,213 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-11-20 00:18:14,214 INFO L440 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and (and .cse1 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3)) .cse2))) [2019-11-20 00:18:14,214 INFO L440 ceAbstractionStarter]: At program point L348-1(lines 348 354) the Hoare annotation is: false [2019-11-20 00:18:14,214 INFO L440 ceAbstractionStarter]: At program point L348-2(lines 348 354) the Hoare annotation is: false [2019-11-20 00:18:14,214 INFO L444 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-20 00:18:14,214 INFO L444 ceAbstractionStarter]: For program point L976-1(line 976) no Hoare annotation was computed. [2019-11-20 00:18:14,214 INFO L444 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-11-20 00:18:14,215 INFO L440 ceAbstractionStarter]: At program point L316(lines 307 320) the Hoare annotation is: false [2019-11-20 00:18:14,215 INFO L440 ceAbstractionStarter]: At program point L316-1(lines 307 320) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse3 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and .cse3 (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2)))) [2019-11-20 00:18:14,215 INFO L440 ceAbstractionStarter]: At program point L316-2(lines 307 320) the Hoare annotation is: false [2019-11-20 00:18:14,215 INFO L440 ceAbstractionStarter]: At program point L316-3(lines 307 320) the Hoare annotation is: false [2019-11-20 00:18:14,215 INFO L440 ceAbstractionStarter]: At program point L316-4(lines 307 320) the Hoare annotation is: false [2019-11-20 00:18:14,216 INFO L440 ceAbstractionStarter]: At program point L316-5(lines 307 320) the Hoare annotation is: false [2019-11-20 00:18:14,216 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:18:14,216 INFO L444 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-11-20 00:18:14,216 INFO L444 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-11-20 00:18:14,216 INFO L440 ceAbstractionStarter]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-20 00:18:14,217 INFO L440 ceAbstractionStarter]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2019-11-20 00:18:14,217 INFO L440 ceAbstractionStarter]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2019-11-20 00:18:14,217 INFO L440 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-11-20 00:18:14,217 INFO L444 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-11-20 00:18:14,217 INFO L444 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-11-20 00:18:14,218 INFO L444 ceAbstractionStarter]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2019-11-20 00:18:14,218 INFO L444 ceAbstractionStarter]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2019-11-20 00:18:14,218 INFO L444 ceAbstractionStarter]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2019-11-20 00:18:14,218 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:18:14,218 INFO L444 ceAbstractionStarter]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2019-11-20 00:18:14,218 INFO L440 ceAbstractionStarter]: At program point L190(lines 185 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 00:18:14,219 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-20 00:18:14,219 INFO L444 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-11-20 00:18:14,219 INFO L440 ceAbstractionStarter]: At program point L587-2(lines 341 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-11-20 00:18:14,219 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-11-20 00:18:14,219 INFO L444 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-20 00:18:14,220 INFO L444 ceAbstractionStarter]: For program point L94-1(lines 341 347) no Hoare annotation was computed. [2019-11-20 00:18:14,220 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:18:14,220 INFO L440 ceAbstractionStarter]: At program point L326(lines 321 329) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 00:18:14,220 INFO L440 ceAbstractionStarter]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2019-11-20 00:18:14,220 INFO L440 ceAbstractionStarter]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2019-11-20 00:18:14,221 INFO L444 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-11-20 00:18:14,221 INFO L440 ceAbstractionStarter]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-20 00:18:14,221 INFO L440 ceAbstractionStarter]: At program point L526(lines 511 529) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 00:18:14,221 INFO L440 ceAbstractionStarter]: At program point L526-1(lines 511 529) the Hoare annotation is: false [2019-11-20 00:18:14,221 INFO L440 ceAbstractionStarter]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2019-11-20 00:18:14,222 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-20 00:18:14,222 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 00:18:14,222 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-20 00:18:14,222 INFO L444 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-11-20 00:18:14,222 INFO L447 ceAbstractionStarter]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2019-11-20 00:18:14,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:18:14 BoogieIcfgContainer [2019-11-20 00:18:14,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:18:14,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:18:14,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:18:14,253 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:18:14,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:05" (3/4) ... [2019-11-20 00:18:14,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:18:14,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 00:18:14,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 00:18:14,286 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 00:18:14,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 00:18:14,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 00:18:14,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 00:18:14,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-11-20 00:18:14,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-11-20 00:18:14,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-20 00:18:14,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-20 00:18:14,332 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter [2019-11-20 00:18:14,332 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-20 00:18:14,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12bfeee5-84a3-4322-b5e6-5a5256ec8fe8/bin/uautomizer/witness.graphml [2019-11-20 00:18:14,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:18:14,408 INFO L168 Benchmark]: Toolchain (without parser) took 10187.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 950.1 MB in the beginning and 909.4 MB in the end (delta: 40.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:14,408 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:18:14,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:14,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:14,410 INFO L168 Benchmark]: Boogie Preprocessor took 59.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:18:14,410 INFO L168 Benchmark]: RCFGBuilder took 884.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:14,411 INFO L168 Benchmark]: TraceAbstraction took 8454.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 924.4 MB in the end (delta: 125.8 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:14,411 INFO L168 Benchmark]: Witness Printer took 153.24 ms. Allocated memory is still 1.2 GB. Free memory was 924.4 MB in the beginning and 909.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:14,413 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 884.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8454.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 924.4 MB in the end (delta: 125.8 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. * Witness Printer took 153.24 ms. Allocated memory is still 1.2 GB. Free memory was 924.4 MB in the beginning and 909.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: 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: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= pumpRunning && !(0 == waterLevel)) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, HoareTripleCheckerStatistics: 1243 SDtfs, 1443 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 209 NumberOfFragments, 519 HoareAnnotationTreeSize, 44 FomulaSimplifications, 400690 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14965 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 40871 SizeOfPredicates, 5 NumberOfNonLiveVariables, 850 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 96/99 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...