./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.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_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/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 aa894c4db149ffc20490feb4bd4b6a764b6f938d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 07:01:32,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:01:32,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:01:32,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:01:32,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:01:32,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:01:32,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:01:32,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:01:32,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:01:32,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:01:32,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:01:32,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:01:32,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:01:32,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:01:32,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:01:32,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:01:32,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:01:32,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:01:32,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:01:32,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:01:32,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:01:32,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:01:32,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:01:32,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:01:32,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:01:32,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:01:32,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:01:32,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:01:32,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:01:32,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:01:32,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:01:32,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:01:32,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:01:32,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:01:32,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:01:32,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:01:32,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:01:32,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:01:32,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:01:32,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:01:32,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:01:32,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:01:32,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:01:32,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:01:32,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:01:32,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:01:32,936 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:01:32,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:01:32,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:01:32,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:01:32,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:01:32,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:01:32,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:01:32,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:01:32,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:01:32,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:01:32,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:01:32,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:01:32,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:01:32,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:01:32,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:01:32,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:01:32,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:01:32,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:01:32,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:01:32,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:01:32,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:01:32,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:01:32,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:01:32,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:01:32,944 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_b38d4b06-39cc-43eb-864e-a732c51b8a35/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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2019-11-20 07:01:33,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:01:33,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:01:33,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:01:33,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:01:33,119 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:01:33,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-11-20 07:01:33,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/data/2f83c4972/214ebcc59cda4e1c9ff67e0fce336f49/FLAG523ec4276 [2019-11-20 07:01:33,642 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:01:33,646 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-11-20 07:01:33,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/data/2f83c4972/214ebcc59cda4e1c9ff67e0fce336f49/FLAG523ec4276 [2019-11-20 07:01:33,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/data/2f83c4972/214ebcc59cda4e1c9ff67e0fce336f49 [2019-11-20 07:01:33,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:01:33,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:01:33,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:01:33,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:01:33,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:01:34,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:33" (1/1) ... [2019-11-20 07:01:34,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7860194e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34, skipping insertion in model container [2019-11-20 07:01:34,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:01:33" (1/1) ... [2019-11-20 07:01:34,011 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:01:34,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:01:34,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:01:34,453 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:01:34,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:01:34,619 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:01:34,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34 WrapperNode [2019-11-20 07:01:34,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:01:34,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:01:34,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:01:34,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:01:34,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:01:34,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:01:34,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:01:34,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:01:34,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... [2019-11-20 07:01:34,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:01:34,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:01:34,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:01:34,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:01:34,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/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 07:01:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:01:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:01:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:01:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:01:35,464 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:01:35,464 INFO L285 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-20 07:01:35,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:35 BoogieIcfgContainer [2019-11-20 07:01:35,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:01:35,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:01:35,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:01:35,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:01:35,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:01:33" (1/3) ... [2019-11-20 07:01:35,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b0a1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:35, skipping insertion in model container [2019-11-20 07:01:35,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:01:34" (2/3) ... [2019-11-20 07:01:35,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b0a1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:01:35, skipping insertion in model container [2019-11-20 07:01:35,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:35" (3/3) ... [2019-11-20 07:01:35,474 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2019-11-20 07:01:35,482 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:01:35,489 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 07:01:35,498 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 07:01:35,522 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:01:35,522 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:01:35,522 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:01:35,522 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:01:35,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:01:35,523 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:01:35,523 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:01:35,523 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:01:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-20 07:01:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:01:35,545 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:01:35,545 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:01:35,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:01:35,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:01:35,550 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2019-11-20 07:01:35,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:01:35,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290653511] [2019-11-20 07:01:35,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:01:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:35,748 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 07:01:35,749 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290653511] [2019-11-20 07:01:35,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:01:35,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:01:35,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367423759] [2019-11-20 07:01:35,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:01:35,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:01:35,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:01:35,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:01:35,769 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-20 07:01:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:01:35,791 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-20 07:01:35,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:01:35,793 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 07:01:35,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:01:35,802 INFO L225 Difference]: With dead ends: 112 [2019-11-20 07:01:35,802 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 07:01:35,805 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 07:01:35,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 07:01:35,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 07:01:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 07:01:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-20 07:01:35,841 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-20 07:01:35,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:01:35,841 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-20 07:01:35,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:01:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-20 07:01:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:01:35,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:01:35,842 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:01:35,843 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:01:35,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:01:35,843 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2019-11-20 07:01:35,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:01:35,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213024777] [2019-11-20 07:01:35,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:01:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:35,993 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 07:01:35,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213024777] [2019-11-20 07:01:35,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:01:35,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:01:35,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082879244] [2019-11-20 07:01:35,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:01:35,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:01:35,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:01:35,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:01:35,995 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-20 07:01:36,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:01:36,003 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-20 07:01:36,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:01:36,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 07:01:36,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:01:36,005 INFO L225 Difference]: With dead ends: 55 [2019-11-20 07:01:36,005 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 07:01:36,006 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 07:01:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 07:01:36,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 07:01:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 07:01:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-20 07:01:36,011 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-20 07:01:36,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:01:36,011 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-20 07:01:36,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:01:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-20 07:01:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:01:36,012 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:01:36,012 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] [2019-11-20 07:01:36,013 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:01:36,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:01:36,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2019-11-20 07:01:36,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:01:36,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316812316] [2019-11-20 07:01:36,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:01:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:36,116 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 07:01:36,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316812316] [2019-11-20 07:01:36,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:01:36,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:01:36,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272632177] [2019-11-20 07:01:36,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:01:36,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:01:36,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:01:36,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:01:36,118 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2019-11-20 07:01:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:01:36,152 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2019-11-20 07:01:36,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:01:36,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-20 07:01:36,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:01:36,154 INFO L225 Difference]: With dead ends: 75 [2019-11-20 07:01:36,154 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 07:01:36,155 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 07:01:36,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 07:01:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2019-11-20 07:01:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-20 07:01:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-20 07:01:36,163 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-20 07:01:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:01:36,163 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-20 07:01:36,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:01:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-20 07:01:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:01:36,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:01:36,165 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] [2019-11-20 07:01:36,165 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:01:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:01:36,165 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2019-11-20 07:01:36,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:01:36,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59873834] [2019-11-20 07:01:36,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:01:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:36,273 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 07:01:36,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59873834] [2019-11-20 07:01:36,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:01:36,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:01:36,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972931395] [2019-11-20 07:01:36,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:01:36,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:01:36,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:01:36,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:01:36,275 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-20 07:01:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:01:36,380 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2019-11-20 07:01:36,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:01:36,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 07:01:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:01:36,384 INFO L225 Difference]: With dead ends: 169 [2019-11-20 07:01:36,384 INFO L226 Difference]: Without dead ends: 127 [2019-11-20 07:01:36,385 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:01:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-20 07:01:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-20 07:01:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-20 07:01:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2019-11-20 07:01:36,409 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2019-11-20 07:01:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:01:36,409 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2019-11-20 07:01:36,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:01:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2019-11-20 07:01:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 07:01:36,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:01:36,411 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] [2019-11-20 07:01:36,412 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:01:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:01:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2019-11-20 07:01:36,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:01:36,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789409802] [2019-11-20 07:01:36,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:01:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:36,536 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 07:01:36,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789409802] [2019-11-20 07:01:36,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:01:36,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:01:36,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784988172] [2019-11-20 07:01:36,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:01:36,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:01:36,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:01:36,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:01:36,538 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2019-11-20 07:01:36,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:01:36,598 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2019-11-20 07:01:36,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:01:36,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 07:01:36,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:01:36,599 INFO L225 Difference]: With dead ends: 220 [2019-11-20 07:01:36,599 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:01:36,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 07:01:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:01:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:01:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:01:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:01:36,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-20 07:01:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:01:36,601 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:01:36,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:01:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:01:36,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:01:36,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:01:36,794 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2019-11-20 07:01:36,794 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-11-20 07:01:36,794 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-11-20 07:01:36,795 INFO L444 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-11-20 07:01:36,795 INFO L447 ceAbstractionStarter]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-11-20 07:01:36,795 INFO L444 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-11-20 07:01:36,795 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:01:36,795 INFO L440 ceAbstractionStarter]: At program point L218(lines 167 219) the Hoare annotation is: false [2019-11-20 07:01:36,795 INFO L444 ceAbstractionStarter]: For program point L169(lines 168 217) no Hoare annotation was computed. [2019-11-20 07:01:36,796 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-11-20 07:01:36,796 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 1 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,796 INFO L444 ceAbstractionStarter]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2019-11-20 07:01:36,796 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 1 885) the Hoare annotation is: false [2019-11-20 07:01:36,796 INFO L444 ceAbstractionStarter]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2019-11-20 07:01:36,797 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 1 885) the Hoare annotation is: false [2019-11-20 07:01:36,797 INFO L444 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-11-20 07:01:36,797 INFO L440 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,797 INFO L440 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-11-20 07:01:36,797 INFO L440 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-11-20 07:01:36,798 INFO L440 ceAbstractionStarter]: At program point L237(lines 236 255) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,798 INFO L444 ceAbstractionStarter]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2019-11-20 07:01:36,798 INFO L440 ceAbstractionStarter]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2019-11-20 07:01:36,798 INFO L440 ceAbstractionStarter]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2019-11-20 07:01:36,798 INFO L444 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-11-20 07:01:36,798 INFO L440 ceAbstractionStarter]: At program point L188-1(lines 188 194) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,799 INFO L440 ceAbstractionStarter]: At program point L403(lines 1 885) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 07:01:36,799 INFO L444 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-11-20 07:01:36,799 INFO L444 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-11-20 07:01:36,799 INFO L444 ceAbstractionStarter]: For program point L882-2(line 882) no Hoare annotation was computed. [2019-11-20 07:01:36,799 INFO L444 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-20 07:01:36,799 INFO L440 ceAbstractionStarter]: At program point L206-1(lines 237 243) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-11-20 07:01:36,800 INFO L444 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-11-20 07:01:36,801 INFO L440 ceAbstractionStarter]: At program point L358-1(lines 358 364) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,801 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:01:36,801 INFO L447 ceAbstractionStarter]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-11-20 07:01:36,801 INFO L440 ceAbstractionStarter]: At program point L475(lines 471 477) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 07:01:36,801 INFO L440 ceAbstractionStarter]: At program point L244(lines 244 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,802 INFO L440 ceAbstractionStarter]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2019-11-20 07:01:36,802 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 184) no Hoare annotation was computed. [2019-11-20 07:01:36,802 INFO L440 ceAbstractionStarter]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2019-11-20 07:01:36,802 INFO L440 ceAbstractionStarter]: At program point L178-1(lines 178 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,802 INFO L440 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: false [2019-11-20 07:01:36,802 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-20 07:01:36,803 INFO L440 ceAbstractionStarter]: At program point L411(lines 406 414) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 07:01:36,803 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-20 07:01:36,803 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 07:01:36,803 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2019-11-20 07:01:36,803 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 213) no Hoare annotation was computed. [2019-11-20 07:01:36,803 INFO L440 ceAbstractionStarter]: At program point L314(lines 309 317) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:01:36,804 INFO L440 ceAbstractionStarter]: At program point L314-1(lines 309 317) the Hoare annotation is: false [2019-11-20 07:01:36,804 INFO L440 ceAbstractionStarter]: At program point L314-2(lines 309 317) the Hoare annotation is: false [2019-11-20 07:01:36,804 INFO L444 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-20 07:01:36,806 INFO L444 ceAbstractionStarter]: For program point L431-1(lines 237 243) no Hoare annotation was computed. [2019-11-20 07:01:36,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:01:36 BoogieIcfgContainer [2019-11-20 07:01:36,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:01:36,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:01:36,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:01:36,829 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:01:36,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:01:35" (3/4) ... [2019-11-20 07:01:36,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:01:36,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 07:01:36,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 07:01:36,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 07:01:36,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:01:36,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:01:36,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:01:36,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:01:36,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b38d4b06-39cc-43eb-864e-a732c51b8a35/bin/uautomizer/witness.graphml [2019-11-20 07:01:36,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:01:36,917 INFO L168 Benchmark]: Toolchain (without parser) took 2926.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 944.7 MB in the beginning and 917.9 MB in the end (delta: 26.9 MB). Peak memory consumption was 134.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:01:36,917 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:01:36,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:01:36,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:01:36,918 INFO L168 Benchmark]: Boogie Preprocessor took 45.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:01:36,919 INFO L168 Benchmark]: RCFGBuilder took 743.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:01:36,919 INFO L168 Benchmark]: TraceAbstraction took 1361.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.9 MB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:01:36,920 INFO L168 Benchmark]: Witness Printer took 86.69 ms. Allocated memory is still 1.1 GB. Free memory was 924.9 MB in the beginning and 917.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:01:36,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 743.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1361.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.9 MB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. * Witness Printer took 86.69 ms. Allocated memory is still 1.1 GB. Free memory was 924.9 MB in the beginning and 917.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 268 SDtfs, 256 SDslu, 230 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...