./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_spec2_product19.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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:05:17,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:17,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:17,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:17,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:17,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:17,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:17,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:17,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:17,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:17,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:17,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:17,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:17,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:17,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:17,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:17,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:17,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:17,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:17,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:17,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:17,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:17,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:17,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:17,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:17,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:17,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:17,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:17,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:17,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:17,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:17,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:17,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:17,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:17,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:17,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:17,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:17,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:17,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:17,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:17,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:17,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:17,879 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:17,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:17,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:17,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:17,884 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:17,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:17,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:17,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:17,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:17,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:17,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:17,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:17,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:17,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:17,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:17,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:17,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:17,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:17,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:17,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:17,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:17,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:17,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:17,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:17,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:17,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:17,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:17,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:17,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:17,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-10-25 23:05:18,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:18,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:18,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:18,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:18,364 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:18,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-10-25 23:05:18,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067985b3d/a0d822cf6de0420abac77851c08e56b6/FLAG47d6de861 [2020-10-25 23:05:19,122 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:19,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-10-25 23:05:19,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067985b3d/a0d822cf6de0420abac77851c08e56b6/FLAG47d6de861 [2020-10-25 23:05:19,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067985b3d/a0d822cf6de0420abac77851c08e56b6 [2020-10-25 23:05:19,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:19,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:19,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:19,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:19,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:19,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6e617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19, skipping insertion in model container [2020-10-25 23:05:19,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:19,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:19,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:19,915 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:19,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,064 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:20,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20 WrapperNode [2020-10-25 23:05:20,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:20,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:20,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:20,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:20,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:20,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:20,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:20,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:20,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (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 23:05:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:21,383 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:21,384 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-10-25 23:05:21,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21 BoogieIcfgContainer [2020-10-25 23:05:21,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:21,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:21,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:21,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:21,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:19" (1/3) ... [2020-10-25 23:05:21,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b98f6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:21, skipping insertion in model container [2020-10-25 23:05:21,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (2/3) ... [2020-10-25 23:05:21,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b98f6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:21, skipping insertion in model container [2020-10-25 23:05:21,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21" (3/3) ... [2020-10-25 23:05:21,396 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-10-25 23:05:21,413 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:21,418 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:21,433 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:21,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:21,463 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:21,463 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:21,463 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:21,463 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:21,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:21,464 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:21,464 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-10-25 23:05:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:21,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,491 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1590673276, now seen corresponding path program 1 times [2020-10-25 23:05:21,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145215780] [2020-10-25 23:05:21,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,851 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 23:05:21,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145215780] [2020-10-25 23:05:21,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:21,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413943326] [2020-10-25 23:05:21,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:21,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:21,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:21,889 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-10-25 23:05:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,942 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-10-25 23:05:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:21,944 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:21,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,966 INFO L225 Difference]: With dead ends: 158 [2020-10-25 23:05:21,966 INFO L226 Difference]: Without dead ends: 77 [2020-10-25 23:05:21,973 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 23:05:21,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-25 23:05:22,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-25 23:05:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-25 23:05:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-10-25 23:05:22,049 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-10-25 23:05:22,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,050 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-10-25 23:05:22,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-10-25 23:05:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:22,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:22,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1809509245, now seen corresponding path program 1 times [2020-10-25 23:05:22,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889058365] [2020-10-25 23:05:22,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,231 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 23:05:22,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889058365] [2020-10-25 23:05:22,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:22,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035987697] [2020-10-25 23:05:22,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:22,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:22,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,235 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-10-25 23:05:22,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,250 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-10-25 23:05:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:22,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:22,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,252 INFO L225 Difference]: With dead ends: 77 [2020-10-25 23:05:22,252 INFO L226 Difference]: Without dead ends: 37 [2020-10-25 23:05:22,253 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 23:05:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-25 23:05:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-25 23:05:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-25 23:05:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-10-25 23:05:22,259 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-10-25 23:05:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,259 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-10-25 23:05:22,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-10-25 23:05:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:22,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,261 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 23:05:22,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:22,261 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-10-25 23:05:22,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690520916] [2020-10-25 23:05:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,397 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 23:05:22,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690520916] [2020-10-25 23:05:22,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:22,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950506446] [2020-10-25 23:05:22,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:22,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:22,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,401 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-10-25 23:05:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,470 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-10-25 23:05:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:22,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-25 23:05:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,472 INFO L225 Difference]: With dead ends: 97 [2020-10-25 23:05:22,472 INFO L226 Difference]: Without dead ends: 67 [2020-10-25 23:05:22,473 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 23:05:22,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-25 23:05:22,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-25 23:05:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-25 23:05:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-10-25 23:05:22,484 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-10-25 23:05:22,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,484 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-10-25 23:05:22,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-10-25 23:05:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:22,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:22,486 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,487 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-10-25 23:05:22,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003679780] [2020-10-25 23:05:22,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,586 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 23:05:22,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003679780] [2020-10-25 23:05:22,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498125275] [2020-10-25 23:05:22,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,589 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-10-25 23:05:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,783 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-10-25 23:05:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:22,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:22,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,790 INFO L225 Difference]: With dead ends: 303 [2020-10-25 23:05:22,791 INFO L226 Difference]: Without dead ends: 247 [2020-10-25 23:05:22,792 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 23:05:22,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-25 23:05:22,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-10-25 23:05:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 23:05:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-10-25 23:05:22,814 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-10-25 23:05:22,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,815 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-10-25 23:05:22,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-10-25 23:05:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:22,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:22,817 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-10-25 23:05:22,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740003059] [2020-10-25 23:05:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,921 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 23:05:22,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740003059] [2020-10-25 23:05:22,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702539644] [2020-10-25 23:05:22,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,923 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-10-25 23:05:23,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:23,195 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-10-25 23:05:23,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:23,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:23,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:23,196 INFO L225 Difference]: With dead ends: 307 [2020-10-25 23:05:23,197 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:23,199 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 23:05:23,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:23,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:23,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:23,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:23,201 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:23,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:23,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:23,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:23,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:23,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,592 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,592 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,592 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,593 INFO L270 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,593 INFO L270 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-10-25 23:05:23,593 INFO L270 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-10-25 23:05:23,594 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-10-25 23:05:23,594 INFO L270 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,594 INFO L274 CegarLoopResult]: For program point L699(lines 699 716) no Hoare annotation was computed. [2020-10-25 23:05:23,594 INFO L274 CegarLoopResult]: For program point L699-1(lines 699 716) no Hoare annotation was computed. [2020-10-25 23:05:23,594 INFO L274 CegarLoopResult]: For program point L699-2(lines 699 716) no Hoare annotation was computed. [2020-10-25 23:05:23,595 INFO L274 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-10-25 23:05:23,596 INFO L270 CegarLoopResult]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,596 INFO L270 CegarLoopResult]: At program point L667(lines 666 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,597 INFO L274 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-10-25 23:05:23,597 INFO L270 CegarLoopResult]: At program point L667-2(lines 666 685) the Hoare annotation is: false [2020-10-25 23:05:23,597 INFO L270 CegarLoopResult]: At program point L667-3(lines 666 685) the Hoare annotation is: false [2020-10-25 23:05:23,597 INFO L274 CegarLoopResult]: For program point L635(lines 635 652) no Hoare annotation was computed. [2020-10-25 23:05:23,598 INFO L270 CegarLoopResult]: At program point L635-1(lines 1 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,598 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 652) no Hoare annotation was computed. [2020-10-25 23:05:23,598 INFO L270 CegarLoopResult]: At program point L635-3(lines 1 927) the Hoare annotation is: false [2020-10-25 23:05:23,598 INFO L274 CegarLoopResult]: For program point L635-4(lines 635 652) no Hoare annotation was computed. [2020-10-25 23:05:23,598 INFO L270 CegarLoopResult]: At program point L635-5(lines 1 927) the Hoare annotation is: false [2020-10-25 23:05:23,599 INFO L270 CegarLoopResult]: At program point L916(lines 1 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,599 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-10-25 23:05:23,599 INFO L274 CegarLoopResult]: For program point L867(lines 867 880) no Hoare annotation was computed. [2020-10-25 23:05:23,600 INFO L274 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-10-25 23:05:23,600 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,601 INFO L274 CegarLoopResult]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2020-10-25 23:05:23,602 INFO L274 CegarLoopResult]: For program point L801-3(lines 801 805) no Hoare annotation was computed. [2020-10-25 23:05:23,607 INFO L274 CegarLoopResult]: For program point L801-5(lines 801 805) no Hoare annotation was computed. [2020-10-25 23:05:23,607 INFO L274 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-10-25 23:05:23,608 INFO L274 CegarLoopResult]: For program point L801-6(lines 801 805) no Hoare annotation was computed. [2020-10-25 23:05:23,608 INFO L277 CegarLoopResult]: At program point L603-1(lines 603 610) the Hoare annotation is: true [2020-10-25 23:05:23,609 INFO L274 CegarLoopResult]: For program point L801-8(lines 801 805) no Hoare annotation was computed. [2020-10-25 23:05:23,609 INFO L270 CegarLoopResult]: At program point L752(lines 747 755) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,609 INFO L270 CegarLoopResult]: At program point L752-1(lines 747 755) the Hoare annotation is: false [2020-10-25 23:05:23,610 INFO L270 CegarLoopResult]: At program point L752-2(lines 747 755) the Hoare annotation is: false [2020-10-25 23:05:23,610 INFO L274 CegarLoopResult]: For program point L703(lines 703 711) no Hoare annotation was computed. [2020-10-25 23:05:23,610 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 711) no Hoare annotation was computed. [2020-10-25 23:05:23,611 INFO L274 CegarLoopResult]: For program point L703-2(lines 703 711) no Hoare annotation was computed. [2020-10-25 23:05:23,612 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,612 INFO L270 CegarLoopResult]: At program point L885(lines 836 886) the Hoare annotation is: false [2020-10-25 23:05:23,612 INFO L274 CegarLoopResult]: For program point L639(lines 639 649) no Hoare annotation was computed. [2020-10-25 23:05:23,612 INFO L274 CegarLoopResult]: For program point L639-2(lines 639 649) no Hoare annotation was computed. [2020-10-25 23:05:23,615 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,615 INFO L274 CegarLoopResult]: For program point L639-4(lines 639 649) no Hoare annotation was computed. [2020-10-25 23:05:23,615 INFO L274 CegarLoopResult]: For program point L838(lines 837 884) no Hoare annotation was computed. [2020-10-25 23:05:23,616 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-10-25 23:05:23,616 INFO L270 CegarLoopResult]: At program point L574(lines 570 576) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,616 INFO L274 CegarLoopResult]: For program point L640-2(lines 640 646) no Hoare annotation was computed. [2020-10-25 23:05:23,616 INFO L270 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-10-25 23:05:23,616 INFO L274 CegarLoopResult]: For program point L640-4(lines 640 646) no Hoare annotation was computed. [2020-10-25 23:05:23,617 INFO L270 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-10-25 23:05:23,617 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-10-25 23:05:23,617 INFO L270 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-10-25 23:05:23,617 INFO L270 CegarLoopResult]: At program point L624(lines 619 626) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,618 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:05:23,618 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:05:23,618 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:05:23,618 INFO L270 CegarLoopResult]: At program point L525-2(lines 525 539) the Hoare annotation is: false [2020-10-25 23:05:23,620 INFO L274 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-10-25 23:05:23,622 INFO L270 CegarLoopResult]: At program point L674(lines 674 680) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,622 INFO L270 CegarLoopResult]: At program point L674-1(lines 674 680) the Hoare annotation is: false [2020-10-25 23:05:23,622 INFO L270 CegarLoopResult]: At program point L674-2(lines 674 680) the Hoare annotation is: false [2020-10-25 23:05:23,623 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-25 23:05:23,623 INFO L274 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-10-25 23:05:23,623 INFO L270 CegarLoopResult]: At program point L873-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,623 INFO L270 CegarLoopResult]: At program point L807(lines 792 810) the Hoare annotation is: false [2020-10-25 23:05:23,623 INFO L270 CegarLoopResult]: At program point L807-1(lines 792 810) the Hoare annotation is: false [2020-10-25 23:05:23,624 INFO L270 CegarLoopResult]: At program point L807-2(lines 792 810) the Hoare annotation is: false [2020-10-25 23:05:23,624 INFO L274 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-10-25 23:05:23,624 INFO L270 CegarLoopResult]: At program point L857-1(lines 857 863) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,624 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,625 INFO L270 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,625 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,625 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-10-25 23:05:23,625 INFO L274 CegarLoopResult]: For program point L529-1(lines 667 673) no Hoare annotation was computed. [2020-10-25 23:05:23,625 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-10-25 23:05:23,626 INFO L274 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-10-25 23:05:23,626 INFO L274 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-10-25 23:05:23,626 INFO L277 CegarLoopResult]: At program point L612(lines 593 615) the Hoare annotation is: true [2020-10-25 23:05:23,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:23 BoogieIcfgContainer [2020-10-25 23:05:23,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:23,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:23,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:23,661 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:23,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21" (3/4) ... [2020-10-25 23:05:23,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:23,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:23,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:23,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:23,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:23,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:23,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,730 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,812 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:23,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:23,814 INFO L168 Benchmark]: Toolchain (without parser) took 4417.15 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 30.7 MB in the beginning and 60.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,815 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 41.9 MB. Free memory was 21.6 MB in the beginning and 21.6 MB in the end (delta: 31.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:23,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.92 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 37.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.21 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 34.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,816 INFO L168 Benchmark]: Boogie Preprocessor took 87.42 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 31.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,816 INFO L168 Benchmark]: RCFGBuilder took 1083.00 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.9 MB in the beginning and 50.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,817 INFO L168 Benchmark]: TraceAbstraction took 2272.38 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 49.9 MB in the beginning and 28.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,817 INFO L168 Benchmark]: Witness Printer took 151.78 ms. Allocated memory is still 83.9 MB. Free memory was 28.8 MB in the beginning and 60.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 41.9 MB. Free memory was 21.6 MB in the beginning and 21.6 MB in the end (delta: 31.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.92 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 37.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 146.21 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 34.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.42 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 31.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1083.00 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.9 MB in the beginning and 50.4 MB in the end (delta: -18.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2272.38 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 49.9 MB in the beginning and 28.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 151.78 ms. Allocated memory is still 83.9 MB. Free memory was 28.8 MB in the beginning and 60.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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=111occurred 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, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...