./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_product20.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 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:05:17,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:17,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:18,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:18,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:18,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:18,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:18,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:18,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:18,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:18,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:18,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:18,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:18,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:18,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:18,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:18,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:18,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:18,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:18,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:18,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:18,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:18,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:18,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:18,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:18,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:18,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:18,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:18,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:18,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:18,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:18,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:18,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:18,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:18,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:18,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:18,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:18,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:18,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:18,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:18,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:18,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:18,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:18,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:18,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:18,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:18,207 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:18,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:18,207 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:18,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:18,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:18,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:18,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:18,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:18,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:18,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:18,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:18,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:18,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:18,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:18,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:18,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:18,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:18,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:18,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:18,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:18,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:18,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:18,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:18,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:18,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:18,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2020-10-25 23:05:18,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:18,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:18,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:18,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:18,749 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:18,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2020-10-25 23:05:18,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3938677ab/1e591f7e4cb9435caad238071aa41155/FLAG7bf9e0b37 [2020-10-25 23:05:19,542 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:19,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2020-10-25 23:05:19,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3938677ab/1e591f7e4cb9435caad238071aa41155/FLAG7bf9e0b37 [2020-10-25 23:05:19,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3938677ab/1e591f7e4cb9435caad238071aa41155 [2020-10-25 23:05:19,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:19,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:19,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:19,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:19,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:19,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be1310a 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 23:05:19,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:19,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:20,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,228 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:20,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,445 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:20,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20 WrapperNode [2020-10-25 23:05:20,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:20,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:20,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:20,456 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 23:05:20,475 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 23:05:20,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:20,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:20,540 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 23:05:20,540 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 23:05:20,548 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 23:05:20,549 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 23:05:20,574 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 23:05:20,589 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 23:05:20,594 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 23:05:20,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:20,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:20,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:20,607 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 23:05:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:21,791 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:21,792 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-10-25 23:05:21,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21 BoogieIcfgContainer [2020-10-25 23:05:21,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:21,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:21,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:21,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:21,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:19" (1/3) ... [2020-10-25 23:05:21,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a4ca52 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 23:05:21,805 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 23:05:21,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a4ca52 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 23:05:21,806 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 23:05:21,808 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2020-10-25 23:05:21,822 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:21,828 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:21,846 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:21,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:21,894 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:21,894 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:21,895 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:21,895 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:21,895 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:21,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:21,896 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-10-25 23:05:21,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:21,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,925 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 23:05:21,926 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,934 INFO L82 PathProgramCache]: Analyzing trace with hash -934743772, now seen corresponding path program 1 times [2020-10-25 23:05:21,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522783374] [2020-10-25 23:05:21,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,228 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 23:05:22,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522783374] [2020-10-25 23:05:22,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:22,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878533584] [2020-10-25 23:05:22,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:22,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:22,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:22,262 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-10-25 23:05:22,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,292 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-10-25 23:05:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:22,293 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:22,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,305 INFO L225 Difference]: With dead ends: 158 [2020-10-25 23:05:22,306 INFO L226 Difference]: Without dead ends: 77 [2020-10-25 23:05:22,310 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 23:05:22,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-25 23:05:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-25 23:05:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-25 23:05:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-10-25 23:05:22,367 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-10-25 23:05:22,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,368 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-10-25 23:05:22,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-10-25 23:05:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:22,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,370 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 23:05:22,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:22,371 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1153579741, now seen corresponding path program 1 times [2020-10-25 23:05:22,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237081874] [2020-10-25 23:05:22,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,546 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 23:05:22,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237081874] [2020-10-25 23:05:22,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:22,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388474565] [2020-10-25 23:05:22,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:22,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:22,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,551 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-10-25 23:05:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,565 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-10-25 23:05:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:22,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:22,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,567 INFO L225 Difference]: With dead ends: 77 [2020-10-25 23:05:22,567 INFO L226 Difference]: Without dead ends: 37 [2020-10-25 23:05:22,569 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 23:05:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-25 23:05:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-25 23:05:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-25 23:05:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-10-25 23:05:22,576 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-10-25 23:05:22,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,577 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-10-25 23:05:22,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-10-25 23:05:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:22,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,579 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 23:05:22,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:22,580 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2020-10-25 23:05:22,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214338409] [2020-10-25 23:05:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,717 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 23:05:22,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214338409] [2020-10-25 23:05:22,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:22,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611341626] [2020-10-25 23:05:22,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:22,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:22,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,725 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 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 97 states and 142 transitions. [2020-10-25 23:05:22,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:22,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-25 23:05:22,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,789 INFO L225 Difference]: With dead ends: 97 [2020-10-25 23:05:22,789 INFO L226 Difference]: Without dead ends: 67 [2020-10-25 23:05:22,792 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 23:05:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-25 23:05:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-25 23:05:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-25 23:05:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-10-25 23:05:22,814 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-10-25 23:05:22,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,814 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-10-25 23:05:22,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-10-25 23:05:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:22,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,829 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 23:05:22,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:22,829 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,830 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2020-10-25 23:05:22,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533981438] [2020-10-25 23:05:22,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,993 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 23:05:22,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533981438] [2020-10-25 23:05:22,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129381270] [2020-10-25 23:05:22,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,998 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-10-25 23:05:23,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:23,131 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-10-25 23:05:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:23,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:23,145 INFO L225 Difference]: With dead ends: 303 [2020-10-25 23:05:23,146 INFO L226 Difference]: Without dead ends: 247 [2020-10-25 23:05:23,149 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 23:05:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-25 23:05:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-10-25 23:05:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 23:05:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-10-25 23:05:23,193 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-10-25 23:05:23,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:23,194 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-10-25 23:05:23,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-10-25 23:05:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:23,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:23,199 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 23:05:23,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:23,200 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:23,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2020-10-25 23:05:23,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:23,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111877079] [2020-10-25 23:05:23,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:23,326 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 23:05:23,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111877079] [2020-10-25 23:05:23,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:23,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:23,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978257038] [2020-10-25 23:05:23,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:23,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:23,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:23,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:23,336 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-10-25 23:05:23,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:23,409 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-10-25 23:05:23,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:23,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:23,411 INFO L225 Difference]: With dead ends: 307 [2020-10-25 23:05:23,411 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:23,413 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 23:05:23,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:23,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:23,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:23,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:23,414 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:23,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:23,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:23,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:23,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:23,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:23,660 INFO L274 CegarLoopResult]: For program point L134-6(lines 134 138) no Hoare annotation was computed. [2020-10-25 23:05:23,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,661 INFO L270 CegarLoopResult]: At program point L779(lines 779 785) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,661 INFO L270 CegarLoopResult]: At program point L779-1(lines 779 785) the Hoare annotation is: false [2020-10-25 23:05:23,661 INFO L270 CegarLoopResult]: At program point L779-2(lines 779 785) the Hoare annotation is: false [2020-10-25 23:05:23,662 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,662 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,662 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,662 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,662 INFO L270 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2020-10-25 23:05:23,663 INFO L270 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2020-10-25 23:05:23,663 INFO L270 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2020-10-25 23:05:23,663 INFO L274 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-10-25 23:05:23,663 INFO L270 CegarLoopResult]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,663 INFO L274 CegarLoopResult]: For program point L303(lines 303 310) no Hoare annotation was computed. [2020-10-25 23:05:23,664 INFO L277 CegarLoopResult]: At program point L303-1(lines 303 310) the Hoare annotation is: true [2020-10-25 23:05:23,664 INFO L270 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,664 INFO L270 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2020-10-25 23:05:23,664 INFO L270 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2020-10-25 23:05:23,665 INFO L274 CegarLoopResult]: For program point L734(lines 734 749) no Hoare annotation was computed. [2020-10-25 23:05:23,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,665 INFO L274 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2020-10-25 23:05:23,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,666 INFO L274 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-10-25 23:05:23,666 INFO L274 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-10-25 23:05:23,666 INFO L270 CegarLoopResult]: At program point L109(lines 1 938) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,666 INFO L274 CegarLoopResult]: For program point L687-2(line 687) no Hoare annotation was computed. [2020-10-25 23:05:23,666 INFO L270 CegarLoopResult]: At program point L754(lines 703 755) the Hoare annotation is: false [2020-10-25 23:05:23,667 INFO L274 CegarLoopResult]: For program point L804(lines 804 821) no Hoare annotation was computed. [2020-10-25 23:05:23,667 INFO L274 CegarLoopResult]: For program point L804-1(lines 804 821) no Hoare annotation was computed. [2020-10-25 23:05:23,667 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 821) no Hoare annotation was computed. [2020-10-25 23:05:23,667 INFO L274 CegarLoopResult]: For program point L705(lines 704 753) no Hoare annotation was computed. [2020-10-25 23:05:23,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,668 INFO L274 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-10-25 23:05:23,668 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 23:05:23,668 INFO L270 CegarLoopResult]: At program point L772(lines 771 790) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,668 INFO L274 CegarLoopResult]: For program point L772-1(lines 772 778) no Hoare annotation was computed. [2020-10-25 23:05:23,669 INFO L274 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-10-25 23:05:23,669 INFO L270 CegarLoopResult]: At program point L772-2(lines 771 790) the Hoare annotation is: false [2020-10-25 23:05:23,669 INFO L270 CegarLoopResult]: At program point L772-3(lines 771 790) the Hoare annotation is: false [2020-10-25 23:05:23,669 INFO L274 CegarLoopResult]: For program point L62(lines 62 79) no Hoare annotation was computed. [2020-10-25 23:05:23,670 INFO L270 CegarLoopResult]: At program point L62-1(lines 1 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,670 INFO L274 CegarLoopResult]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2020-10-25 23:05:23,670 INFO L270 CegarLoopResult]: At program point L62-3(lines 1 938) the Hoare annotation is: false [2020-10-25 23:05:23,670 INFO L274 CegarLoopResult]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2020-10-25 23:05:23,670 INFO L270 CegarLoopResult]: At program point L62-5(lines 1 938) the Hoare annotation is: false [2020-10-25 23:05:23,671 INFO L270 CegarLoopResult]: At program point L278(lines 274 280) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,671 INFO L274 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2020-10-25 23:05:23,671 INFO L270 CegarLoopResult]: At program point L212(lines 207 215) the Hoare annotation is: false [2020-10-25 23:05:23,672 INFO L270 CegarLoopResult]: At program point L724-1(lines 724 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,672 INFO L270 CegarLoopResult]: At program point L212-1(lines 207 215) the Hoare annotation is: false [2020-10-25 23:05:23,672 INFO L274 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2020-10-25 23:05:23,672 INFO L270 CegarLoopResult]: At program point L212-2(lines 207 215) the Hoare annotation is: false [2020-10-25 23:05:23,672 INFO L274 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:05:23,673 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:05:23,673 INFO L274 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:05:23,673 INFO L274 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:05:23,673 INFO L274 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:05:23,673 INFO L270 CegarLoopResult]: At program point L229-2(lines 229 243) the Hoare annotation is: false [2020-10-25 23:05:23,674 INFO L274 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2020-10-25 23:05:23,674 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 23:05:23,674 INFO L270 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2020-10-25 23:05:23,674 INFO L277 CegarLoopResult]: At program point L312(lines 293 315) the Hoare annotation is: true [2020-10-25 23:05:23,675 INFO L270 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2020-10-25 23:05:23,675 INFO L274 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2020-10-25 23:05:23,675 INFO L274 CegarLoopResult]: For program point L808-1(lines 808 816) no Hoare annotation was computed. [2020-10-25 23:05:23,675 INFO L274 CegarLoopResult]: For program point L742(lines 742 748) no Hoare annotation was computed. [2020-10-25 23:05:23,675 INFO L274 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-10-25 23:05:23,676 INFO L274 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2020-10-25 23:05:23,676 INFO L270 CegarLoopResult]: At program point L742-1(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:23,676 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,676 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,676 INFO L274 CegarLoopResult]: For program point L66(lines 66 76) no Hoare annotation was computed. [2020-10-25 23:05:23,677 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2020-10-25 23:05:23,677 INFO L274 CegarLoopResult]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2020-10-25 23:05:23,677 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:05:23,677 INFO L274 CegarLoopResult]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:05:23,677 INFO L274 CegarLoopResult]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:05:23,678 INFO L270 CegarLoopResult]: At program point L117(lines 112 120) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,678 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,678 INFO L274 CegarLoopResult]: For program point L233(lines 233 237) no Hoare annotation was computed. [2020-10-25 23:05:23,678 INFO L274 CegarLoopResult]: For program point L233-1(lines 772 778) no Hoare annotation was computed. [2020-10-25 23:05:23,678 INFO L274 CegarLoopResult]: For program point L134(lines 134 138) no Hoare annotation was computed. [2020-10-25 23:05:23,679 INFO L274 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2020-10-25 23:05:23,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:23 BoogieIcfgContainer [2020-10-25 23:05:23,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:23,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:23,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:23,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:23,701 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 23:05:23,704 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:23,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:23,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:23,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:23,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:23,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:23,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:23,842 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:23,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:23,845 INFO L168 Benchmark]: Toolchain (without parser) took 4077.21 ms. Allocated memory was 44.0 MB in the beginning and 81.8 MB in the end (delta: 37.7 MB). Free memory was 25.1 MB in the beginning and 59.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,846 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 44.0 MB. Free memory was 30.9 MB in the beginning and 30.8 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:23,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.66 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.5 MB in the beginning and 32.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.30 ms. Allocated memory is still 54.5 MB. Free memory was 32.9 MB in the beginning and 29.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,848 INFO L168 Benchmark]: Boogie Preprocessor took 81.33 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 27.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,848 INFO L168 Benchmark]: RCFGBuilder took 1190.13 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 47.3 MB in the end (delta: -19.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,849 INFO L168 Benchmark]: TraceAbstraction took 1900.57 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.9 MB in the beginning and 31.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,849 INFO L168 Benchmark]: Witness Printer took 143.36 ms. Allocated memory is still 81.8 MB. Free memory was 31.9 MB in the beginning and 59.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 44.0 MB. Free memory was 30.9 MB in the beginning and 30.8 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 671.66 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.5 MB in the beginning and 32.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.30 ms. Allocated memory is still 54.5 MB. Free memory was 32.9 MB in the beginning and 29.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.33 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 27.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1190.13 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 47.3 MB in the end (delta: -19.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1900.57 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.9 MB in the beginning and 31.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Witness Printer took 143.36 ms. Allocated memory is still 81.8 MB. Free memory was 31.9 MB in the beginning and 59.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 4.2 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: 852]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 166]: 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: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 334 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 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: 0.1s 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, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...