./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7d22266300e6cd9ced6ad4763303b2f8762682aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:41,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:41,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:41,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:41,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:41,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:41,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:41,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:41,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:41,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:41,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:41,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:41,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:41,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:41,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:41,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:41,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:41,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:41,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:41,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:41,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:41,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:41,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:41,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:41,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:41,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:41,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:41,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:41,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:41,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:41,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:41,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:41,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:41,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:41,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:41,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:41,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:41,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:41,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:41,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:41,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:41,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:41,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:41,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:41,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:41,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:41,851 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:41,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:41,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:41,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:41,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:41,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:41,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:41,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:41,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:41,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:41,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:41,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:41,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:41,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:41,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:41,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:41,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:41,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:41,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:41,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:41,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:41,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:41,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:41,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:41,858 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2019-11-19 21:22:42,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:42,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:42,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:42,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:42,211 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:42,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-11-19 21:22:42,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c68870fc/c899f696ad634d6eb0b721759da049f4/FLAG023ac0c04 [2019-11-19 21:22:42,843 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:42,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2019-11-19 21:22:42,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c68870fc/c899f696ad634d6eb0b721759da049f4/FLAG023ac0c04 [2019-11-19 21:22:43,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c68870fc/c899f696ad634d6eb0b721759da049f4 [2019-11-19 21:22:43,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:43,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:43,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:43,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:43,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:43,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d3c184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43, skipping insertion in model container [2019-11-19 21:22:43,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:43,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:43,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:43,655 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:43,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:43,813 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:43,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43 WrapperNode [2019-11-19 21:22:43,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:43,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:43,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:43,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:43,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:43,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:43,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:43,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:43,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... [2019-11-19 21:22:43,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:43,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:43,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:43,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:43,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 21:22:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:44,823 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:44,824 INFO L285 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-19 21:22:44,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:44 BoogieIcfgContainer [2019-11-19 21:22:44,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:44,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:44,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:44,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:44,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:43" (1/3) ... [2019-11-19 21:22:44,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d01fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:44, skipping insertion in model container [2019-11-19 21:22:44,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:43" (2/3) ... [2019-11-19 21:22:44,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d01fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:44, skipping insertion in model container [2019-11-19 21:22:44,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:44" (3/3) ... [2019-11-19 21:22:44,839 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-11-19 21:22:44,849 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:44,857 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:44,868 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:44,890 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:44,890 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:44,891 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:44,891 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:44,891 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:44,891 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:44,891 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:44,892 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-19 21:22:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:22:44,917 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:44,918 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:44,919 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:44,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:44,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-11-19 21:22:44,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:44,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506852816] [2019-11-19 21:22:44,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506852816] [2019-11-19 21:22:45,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:45,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414105045] [2019-11-19 21:22:45,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:45,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:45,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:45,194 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-19 21:22:45,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:45,235 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-19 21:22:45,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:45,238 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:22:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,251 INFO L225 Difference]: With dead ends: 112 [2019-11-19 21:22:45,252 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:22:45,259 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 [2019-11-19 21:22:45,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:22:45,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:22:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:22:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-19 21:22:45,337 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-19 21:22:45,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,339 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-19 21:22:45,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-19 21:22:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:22:45,343 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,343 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:45,344 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,345 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-11-19 21:22:45,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375491274] [2019-11-19 21:22:45,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375491274] [2019-11-19 21:22:45,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:45,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725499643] [2019-11-19 21:22:45,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:45,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:45,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:45,576 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-19 21:22:45,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:45,592 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-19 21:22:45,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:45,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:22:45,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,597 INFO L225 Difference]: With dead ends: 55 [2019-11-19 21:22:45,598 INFO L226 Difference]: Without dead ends: 29 [2019-11-19 21:22:45,600 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 [2019-11-19 21:22:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-19 21:22:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-19 21:22:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-19 21:22:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-19 21:22:45,609 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-19 21:22:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,610 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-19 21:22:45,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-19 21:22:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:22:45,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,612 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] [2019-11-19 21:22:45,613 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,613 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-11-19 21:22:45,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818147989] [2019-11-19 21:22:45,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818147989] [2019-11-19 21:22:45,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:45,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913102073] [2019-11-19 21:22:45,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:45,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:45,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:45,746 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2019-11-19 21:22:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:45,775 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2019-11-19 21:22:45,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:45,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-19 21:22:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:45,781 INFO L225 Difference]: With dead ends: 75 [2019-11-19 21:22:45,781 INFO L226 Difference]: Without dead ends: 52 [2019-11-19 21:22:45,782 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 [2019-11-19 21:22:45,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-19 21:22:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2019-11-19 21:22:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-19 21:22:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-19 21:22:45,806 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-19 21:22:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:45,807 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-19 21:22:45,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-19 21:22:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:22:45,810 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:45,811 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] [2019-11-19 21:22:45,811 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:45,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:45,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-11-19 21:22:45,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:45,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104419863] [2019-11-19 21:22:45,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:45,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104419863] [2019-11-19 21:22:45,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:45,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:45,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051553657] [2019-11-19 21:22:45,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:45,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:45,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:45,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:45,925 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-19 21:22:46,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:46,041 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2019-11-19 21:22:46,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:46,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-19 21:22:46,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:46,043 INFO L225 Difference]: With dead ends: 169 [2019-11-19 21:22:46,043 INFO L226 Difference]: Without dead ends: 127 [2019-11-19 21:22:46,044 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 [2019-11-19 21:22:46,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-19 21:22:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-19 21:22:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-19 21:22:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2019-11-19 21:22:46,058 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2019-11-19 21:22:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:46,058 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2019-11-19 21:22:46,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2019-11-19 21:22:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 21:22:46,060 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:46,060 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] [2019-11-19 21:22:46,060 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:46,061 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2019-11-19 21:22:46,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:46,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982487585] [2019-11-19 21:22:46,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:46,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982487585] [2019-11-19 21:22:46,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:46,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:46,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331349988] [2019-11-19 21:22:46,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:46,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:46,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:46,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:46,139 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2019-11-19 21:22:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:46,223 INFO L93 Difference]: Finished difference Result 204 states and 301 transitions. [2019-11-19 21:22:46,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:46,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-19 21:22:46,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:46,224 INFO L225 Difference]: With dead ends: 204 [2019-11-19 21:22:46,224 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:46,228 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 [2019-11-19 21:22:46,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:46,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:46,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-19 21:22:46,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:46,230 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:46,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:46,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:46,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:46,470 INFO L440 ceAbstractionStarter]: At program point L547-2(lines 547 553) the Hoare annotation is: false [2019-11-19 21:22:46,470 INFO L440 ceAbstractionStarter]: At program point L448(lines 443 451) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:46,470 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:46,470 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-19 21:22:46,471 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:46,471 INFO L440 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: false [2019-11-19 21:22:46,471 INFO L440 ceAbstractionStarter]: At program point L731(lines 726 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,471 INFO L440 ceAbstractionStarter]: At program point L731-1(lines 726 734) the Hoare annotation is: false [2019-11-19 21:22:46,471 INFO L440 ceAbstractionStarter]: At program point L731-2(lines 726 734) the Hoare annotation is: false [2019-11-19 21:22:46,472 INFO L440 ceAbstractionStarter]: At program point L599(lines 594 602) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,473 INFO L440 ceAbstractionStarter]: At program point L599-1(lines 594 602) the Hoare annotation is: false [2019-11-19 21:22:46,473 INFO L440 ceAbstractionStarter]: At program point L599-2(lines 594 602) the Hoare annotation is: false [2019-11-19 21:22:46,473 INFO L444 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-11-19 21:22:46,473 INFO L444 ceAbstractionStarter]: For program point L748-2(lines 748 754) no Hoare annotation was computed. [2019-11-19 21:22:46,473 INFO L444 ceAbstractionStarter]: For program point L748-4(lines 748 754) no Hoare annotation was computed. [2019-11-19 21:22:46,474 INFO L444 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-11-19 21:22:46,474 INFO L444 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2019-11-19 21:22:46,474 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:46,474 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-11-19 21:22:46,474 INFO L440 ceAbstractionStarter]: At program point L504-1(lines 540 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,475 INFO L444 ceAbstractionStarter]: For program point L686(lines 686 690) no Hoare annotation was computed. [2019-11-19 21:22:46,475 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-11-19 21:22:46,475 INFO L440 ceAbstractionStarter]: At program point L488-1(lines 488 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,475 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:46,475 INFO L440 ceAbstractionStarter]: At program point L440(lines 1 856) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:46,476 INFO L447 ceAbstractionStarter]: At program point L853(lines 834 856) the Hoare annotation is: true [2019-11-19 21:22:46,476 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-19 21:22:46,476 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-19 21:22:46,476 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-19 21:22:46,476 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:46,477 INFO L440 ceAbstractionStarter]: At program point L540(lines 539 558) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,477 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2019-11-19 21:22:46,477 INFO L440 ceAbstractionStarter]: At program point L540-2(lines 539 558) the Hoare annotation is: false [2019-11-19 21:22:46,477 INFO L440 ceAbstractionStarter]: At program point L540-3(lines 539 558) the Hoare annotation is: false [2019-11-19 21:22:46,477 INFO L440 ceAbstractionStarter]: At program point L821(lines 817 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:46,477 INFO L440 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: false [2019-11-19 21:22:46,478 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-11-19 21:22:46,478 INFO L444 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-11-19 21:22:46,478 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-19 21:22:46,478 INFO L440 ceAbstractionStarter]: At program point L643-1(lines 643 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,478 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:46,479 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-11-19 21:22:46,479 INFO L440 ceAbstractionStarter]: At program point L478-1(lines 478 484) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,479 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:46,479 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-19 21:22:46,479 INFO L444 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-11-19 21:22:46,480 INFO L444 ceAbstractionStarter]: For program point L777-1(lines 540 546) no Hoare annotation was computed. [2019-11-19 21:22:46,480 INFO L440 ceAbstractionStarter]: At program point L744-1(lines 1 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,480 INFO L444 ceAbstractionStarter]: For program point L744-2(lines 744 757) no Hoare annotation was computed. [2019-11-19 21:22:46,480 INFO L440 ceAbstractionStarter]: At program point L744-3(lines 1 856) the Hoare annotation is: false [2019-11-19 21:22:46,480 INFO L444 ceAbstractionStarter]: For program point L744-4(lines 744 757) no Hoare annotation was computed. [2019-11-19 21:22:46,480 INFO L440 ceAbstractionStarter]: At program point L744-5(lines 1 856) the Hoare annotation is: false [2019-11-19 21:22:46,481 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-11-19 21:22:46,481 INFO L444 ceAbstractionStarter]: For program point L662-3(lines 662 666) no Hoare annotation was computed. [2019-11-19 21:22:46,481 INFO L444 ceAbstractionStarter]: For program point L662-6(lines 662 666) no Hoare annotation was computed. [2019-11-19 21:22:46,481 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-11-19 21:22:46,481 INFO L447 ceAbstractionStarter]: At program point L844-1(lines 844 851) the Hoare annotation is: true [2019-11-19 21:22:46,481 INFO L440 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:46,482 INFO L440 ceAbstractionStarter]: At program point L547-1(lines 547 553) the Hoare annotation is: false [2019-11-19 21:22:46,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:46 BoogieIcfgContainer [2019-11-19 21:22:46,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:46,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:46,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:46,501 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:46,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:44" (3/4) ... [2019-11-19 21:22:46,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:46,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:46,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:22:46,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:46,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:22:46,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:46,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:46,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:46,667 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:46,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:46,669 INFO L168 Benchmark]: Toolchain (without parser) took 3513.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 960.4 MB in the beginning and 952.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:46,670 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:46,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:46,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.32 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:46,671 INFO L168 Benchmark]: Boogie Preprocessor took 63.12 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. [2019-11-19 21:22:46,672 INFO L168 Benchmark]: RCFGBuilder took 873.70 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:46,672 INFO L168 Benchmark]: TraceAbstraction took 1673.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.1 MB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:46,672 INFO L168 Benchmark]: Witness Printer took 166.71 ms. Allocated memory is still 1.2 GB. Free memory was 959.1 MB in the beginning and 952.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:46,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.32 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.12 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 873.70 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1673.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.1 MB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. * Witness Printer took 166.71 ms. Allocated memory is still 1.2 GB. Free memory was 959.1 MB in the beginning and 952.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 268 SDtfs, 244 SDslu, 231 SDs, 0 SdLazy, 52 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 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, 0.1s 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, 4221 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...