./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec1_product27.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 576a1858cb64f3543afb00cb741cc3175c43895a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:04:24,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:04:24,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:04:24,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:04:24,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:04:24,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:04:24,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:04:24,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:04:24,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:04:24,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:04:24,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:04:24,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:04:24,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:04:24,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:04:24,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:04:24,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:04:24,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:04:24,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:04:24,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:04:24,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:04:24,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:04:24,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:04:24,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:04:24,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:04:24,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:04:24,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:04:24,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:04:24,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:04:24,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:04:24,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:04:24,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:04:24,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:04:24,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:04:24,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:04:24,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:04:24,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:04:24,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:04:24,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:04:24,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:04:24,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:04:24,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:04:24,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:24,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:24,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:24,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:24,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:24,997 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:24,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:24,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:24,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:24,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:24,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:24,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:25,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:25,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:25,000 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:25,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:25,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:25,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:25,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:25,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:25,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:25,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:25,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:25,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:25,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:25,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:25,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:25,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:25,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:25,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:25,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-10-25 23:04:25,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:25,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:25,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:25,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:25,467 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:25,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-10-25 23:04:25,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b136a591/4ed57caf5c9a454e8f1ce497e9f42d2b/FLAGa7ba6e591 [2020-10-25 23:04:26,288 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:26,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-10-25 23:04:26,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b136a591/4ed57caf5c9a454e8f1ce497e9f42d2b/FLAGa7ba6e591 [2020-10-25 23:04:26,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b136a591/4ed57caf5c9a454e8f1ce497e9f42d2b [2020-10-25 23:04:26,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:26,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:26,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:26,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:26,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:26,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:26" (1/1) ... [2020-10-25 23:04:26,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf25cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:26, skipping insertion in model container [2020-10-25 23:04:26,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:26" (1/1) ... [2020-10-25 23:04:26,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:26,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:26,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:27,006 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:27,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:27,214 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:27,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27 WrapperNode [2020-10-25 23:04:27,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:27,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:27,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:27,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:27,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:27,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:27,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:27,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:27,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (1/1) ... [2020-10-25 23:04:27,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:27,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:27,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:27,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:27,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (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 [2020-10-25 23:04:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:28,542 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:28,542 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-10-25 23:04:28,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:28 BoogieIcfgContainer [2020-10-25 23:04:28,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:28,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:28,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:28,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:28,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:26" (1/3) ... [2020-10-25 23:04:28,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efae810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:28, skipping insertion in model container [2020-10-25 23:04:28,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:27" (2/3) ... [2020-10-25 23:04:28,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efae810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:28, skipping insertion in model container [2020-10-25 23:04:28,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:28" (3/3) ... [2020-10-25 23:04:28,557 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-10-25 23:04:28,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:28,576 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:28,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:28,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:28,620 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:28,621 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:28,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:28,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:28,621 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:28,622 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:28,622 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-10-25 23:04:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:28,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:28,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:28,649 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:28,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-10-25 23:04:28,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:28,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843055613] [2020-10-25 23:04:28,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:29,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843055613] [2020-10-25 23:04:29,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:29,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637434729] [2020-10-25 23:04:29,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:29,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:29,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:29,039 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-10-25 23:04:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,069 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-10-25 23:04:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:29,070 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,083 INFO L225 Difference]: With dead ends: 151 [2020-10-25 23:04:29,083 INFO L226 Difference]: Without dead ends: 73 [2020-10-25 23:04:29,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-25 23:04:29,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-25 23:04:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-25 23:04:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-10-25 23:04:29,149 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-10-25 23:04:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,150 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-10-25 23:04:29,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-10-25 23:04:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:29,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:29,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:29,155 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-10-25 23:04:29,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14170943] [2020-10-25 23:04:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:29,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14170943] [2020-10-25 23:04:29,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:29,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183980669] [2020-10-25 23:04:29,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:29,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:29,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:29,310 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-10-25 23:04:29,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,332 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-10-25 23:04:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:29,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,338 INFO L225 Difference]: With dead ends: 73 [2020-10-25 23:04:29,338 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:04:29,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:29,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:04:29,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:04:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:04:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-25 23:04:29,346 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-10-25 23:04:29,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,346 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-25 23:04:29,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-25 23:04:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:29,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:29,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:29,348 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-10-25 23:04:29,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133737191] [2020-10-25 23:04:29,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:29,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133737191] [2020-10-25 23:04:29,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:29,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317509056] [2020-10-25 23:04:29,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:29,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:29,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:29,493 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-10-25 23:04:29,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,536 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-10-25 23:04:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:29,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-25 23:04:29,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,538 INFO L225 Difference]: With dead ends: 93 [2020-10-25 23:04:29,539 INFO L226 Difference]: Without dead ends: 64 [2020-10-25 23:04:29,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:29,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-25 23:04:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-10-25 23:04:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-25 23:04:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-10-25 23:04:29,550 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-10-25 23:04:29,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,551 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-10-25 23:04:29,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-10-25 23:04:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:04:29,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:29,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:29,553 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-10-25 23:04:29,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743638020] [2020-10-25 23:04:29,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:29,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743638020] [2020-10-25 23:04:29,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:29,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:29,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243658252] [2020-10-25 23:04:29,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:29,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:29,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:29,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:29,659 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-10-25 23:04:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:29,816 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2020-10-25 23:04:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:29,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:04:29,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:29,821 INFO L225 Difference]: With dead ends: 298 [2020-10-25 23:04:29,822 INFO L226 Difference]: Without dead ends: 244 [2020-10-25 23:04:29,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:04:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-25 23:04:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2020-10-25 23:04:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-25 23:04:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2020-10-25 23:04:29,860 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2020-10-25 23:04:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:29,862 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2020-10-25 23:04:29,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2020-10-25 23:04:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:04:29,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:29,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:29,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:29,865 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:29,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2020-10-25 23:04:29,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:29,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489357681] [2020-10-25 23:04:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:30,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489357681] [2020-10-25 23:04:30,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:30,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:30,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613189506] [2020-10-25 23:04:30,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:30,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:30,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:30,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:30,009 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2020-10-25 23:04:30,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:30,136 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2020-10-25 23:04:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:30,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:04:30,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:30,139 INFO L225 Difference]: With dead ends: 304 [2020-10-25 23:04:30,139 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:30,141 INFO L677 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 [2020-10-25 23:04:30,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:30,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-25 23:04:30,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:30,146 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:30,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:30,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:30,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:04:30,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:30,459 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2020-10-25 23:04:30,460 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,461 INFO L270 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2020-10-25 23:04:30,461 INFO L270 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2020-10-25 23:04:30,461 INFO L270 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2020-10-25 23:04:30,461 INFO L274 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-10-25 23:04:30,461 INFO L270 CegarLoopResult]: At program point L698-1(lines 698 704) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,461 INFO L270 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,461 INFO L270 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2020-10-25 23:04:30,462 INFO L270 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2020-10-25 23:04:30,462 INFO L274 CegarLoopResult]: For program point L718(lines 718 731) no Hoare annotation was computed. [2020-10-25 23:04:30,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,465 INFO L277 CegarLoopResult]: At program point L306(lines 287 309) the Hoare annotation is: true [2020-10-25 23:04:30,465 INFO L270 CegarLoopResult]: At program point L273(lines 269 275) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:30,465 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:30,466 INFO L270 CegarLoopResult]: At program point L736(lines 687 737) the Hoare annotation is: false [2020-10-25 23:04:30,466 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 238) the Hoare annotation is: false [2020-10-25 23:04:30,466 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,466 INFO L274 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-10-25 23:04:30,467 INFO L274 CegarLoopResult]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2020-10-25 23:04:30,467 INFO L274 CegarLoopResult]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2020-10-25 23:04:30,468 INFO L274 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-10-25 23:04:30,469 INFO L274 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-10-25 23:04:30,469 INFO L270 CegarLoopResult]: At program point L754(lines 753 772) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,469 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:04:30,470 INFO L270 CegarLoopResult]: At program point L754-2(lines 753 772) the Hoare annotation is: false [2020-10-25 23:04:30,474 INFO L270 CegarLoopResult]: At program point L754-3(lines 753 772) the Hoare annotation is: false [2020-10-25 23:04:30,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,475 INFO L274 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-10-25 23:04:30,476 INFO L270 CegarLoopResult]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,476 INFO L274 CegarLoopResult]: For program point L689(lines 688 735) no Hoare annotation was computed. [2020-10-25 23:04:30,476 INFO L274 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2020-10-25 23:04:30,476 INFO L270 CegarLoopResult]: At program point L194-1(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,476 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2020-10-25 23:04:30,477 INFO L270 CegarLoopResult]: At program point L194-3(lines 1 930) the Hoare annotation is: false [2020-10-25 23:04:30,478 INFO L274 CegarLoopResult]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2020-10-25 23:04:30,478 INFO L270 CegarLoopResult]: At program point L194-5(lines 1 930) the Hoare annotation is: false [2020-10-25 23:04:30,478 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-10-25 23:04:30,480 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-10-25 23:04:30,482 INFO L274 CegarLoopResult]: For program point L228-1(lines 754 760) no Hoare annotation was computed. [2020-10-25 23:04:30,482 INFO L274 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-10-25 23:04:30,482 INFO L274 CegarLoopResult]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2020-10-25 23:04:30,483 INFO L274 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2020-10-25 23:04:30,483 INFO L274 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-10-25 23:04:30,483 INFO L270 CegarLoopResult]: At program point L724-1(lines 754 760) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,483 INFO L274 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:04:30,484 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:04:30,484 INFO L274 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:04:30,484 INFO L274 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:04:30,486 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:04:30,486 INFO L274 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:04:30,486 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,486 INFO L274 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:04:30,487 INFO L270 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,487 INFO L270 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2020-10-25 23:04:30,487 INFO L270 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2020-10-25 23:04:30,487 INFO L270 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2020-10-25 23:04:30,488 INFO L270 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2020-10-25 23:04:30,488 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-10-25 23:04:30,489 INFO L270 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2020-10-25 23:04:30,489 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:30,489 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:30,489 INFO L274 CegarLoopResult]: For program point L297(lines 297 304) no Hoare annotation was computed. [2020-10-25 23:04:30,491 INFO L277 CegarLoopResult]: At program point L297-1(lines 297 304) the Hoare annotation is: true [2020-10-25 23:04:30,491 INFO L274 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-10-25 23:04:30,491 INFO L274 CegarLoopResult]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2020-10-25 23:04:30,492 INFO L274 CegarLoopResult]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2020-10-25 23:04:30,492 INFO L270 CegarLoopResult]: At program point L67(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:30,492 INFO L270 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:30,492 INFO L270 CegarLoopResult]: At program point L761-1(lines 761 767) the Hoare annotation is: false [2020-10-25 23:04:30,493 INFO L270 CegarLoopResult]: At program point L761-2(lines 761 767) the Hoare annotation is: false [2020-10-25 23:04:30,493 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 23:04:30,493 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-10-25 23:04:30,494 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-10-25 23:04:30,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:30 BoogieIcfgContainer [2020-10-25 23:04:30,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:30,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:30,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:30,527 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:30,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:28" (3/4) ... [2020-10-25 23:04:30,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:30,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:30,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:30,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:30,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:30,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:30,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:30,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:30,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:30,695 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:30,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:30,700 INFO L168 Benchmark]: Toolchain (without parser) took 4162.19 ms. Allocated memory was 46.1 MB in the beginning and 75.5 MB in the end (delta: 29.4 MB). Free memory was 30.0 MB in the beginning and 34.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,701 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:30,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.17 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 128.8 kB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.83 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 26.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,703 INFO L168 Benchmark]: Boogie Preprocessor took 41.47 ms. Allocated memory is still 46.1 MB. Free memory was 26.2 MB in the beginning and 24.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,703 INFO L168 Benchmark]: RCFGBuilder took 1214.17 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 24.0 MB in the beginning and 37.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,704 INFO L168 Benchmark]: TraceAbstraction took 1978.65 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 36.7 MB in the beginning and 41.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,704 INFO L168 Benchmark]: Witness Printer took 168.69 ms. Allocated memory is still 75.5 MB. Free memory was 41.4 MB in the beginning and 34.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:30,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.17 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 128.8 kB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.83 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 26.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.47 ms. Allocated memory is still 46.1 MB. Free memory was 26.2 MB in the beginning and 24.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1214.17 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 24.0 MB in the beginning and 37.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1978.65 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 36.7 MB in the beginning and 41.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Witness Printer took 168.69 ms. Allocated memory is still 75.5 MB. Free memory was 41.4 MB in the beginning and 34.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 340 SDslu, 334 SDs, 0 SdLazy, 47 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...