./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_product15.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 78e630cdfb1cd89877a912be67c0a041bc0bca96 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:05:16,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:16,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:16,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:16,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:16,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:16,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:16,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:16,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:16,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:16,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:16,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:16,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:16,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:16,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:16,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:16,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:16,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:16,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:16,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:16,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:16,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:16,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:16,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:16,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:16,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:16,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:16,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:16,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:16,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:16,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:16,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:16,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:16,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:16,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:16,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:16,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:16,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:16,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:16,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:16,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:16,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:16,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:16,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:16,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:16,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:16,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:16,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:16,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:16,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:16,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:16,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:16,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:16,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:16,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:16,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:16,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:16,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:16,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:16,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:16,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:16,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:16,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:16,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:16,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:16,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:16,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:16,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:16,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:16,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:16,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:16,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78e630cdfb1cd89877a912be67c0a041bc0bca96 [2020-10-25 23:05:16,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:16,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:17,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:17,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:17,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:17,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-10-25 23:05:17,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b8636db5/d57ebec4f30342ab9533575283f8fd53/FLAGd649f5de5 [2020-10-25 23:05:17,925 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:17,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-10-25 23:05:17,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b8636db5/d57ebec4f30342ab9533575283f8fd53/FLAGd649f5de5 [2020-10-25 23:05:18,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b8636db5/d57ebec4f30342ab9533575283f8fd53 [2020-10-25 23:05:18,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:18,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:18,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:18,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:18,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:18,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e92d8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18, skipping insertion in model container [2020-10-25 23:05:18,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:18,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:18,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:18,504 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:18,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:18,655 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:18,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18 WrapperNode [2020-10-25 23:05:18,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:18,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:18,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:18,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:18,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:18,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:18,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:18,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:18,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:18,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:18,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:18,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:18,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:18,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (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 23:05:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:19,869 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:19,870 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-10-25 23:05:19,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:19 BoogieIcfgContainer [2020-10-25 23:05:19,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:19,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:19,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:19,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:19,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:18" (1/3) ... [2020-10-25 23:05:19,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22134ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:19, skipping insertion in model container [2020-10-25 23:05:19,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:18" (2/3) ... [2020-10-25 23:05:19,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22134ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:19, skipping insertion in model container [2020-10-25 23:05:19,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:19" (3/3) ... [2020-10-25 23:05:19,880 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-10-25 23:05:19,892 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:19,897 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:19,910 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:19,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:19,938 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:19,938 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:19,938 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:19,938 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:19,938 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:19,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:19,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-25 23:05:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:19,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:19,962 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 23:05:19,963 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:19,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:19,969 INFO L82 PathProgramCache]: Analyzing trace with hash 968341668, now seen corresponding path program 1 times [2020-10-25 23:05:19,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:19,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156875731] [2020-10-25 23:05:19,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:20,345 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 23:05:20,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156875731] [2020-10-25 23:05:20,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:20,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:20,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409175081] [2020-10-25 23:05:20,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:20,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:20,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:20,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:20,374 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-25 23:05:20,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:20,405 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-10-25 23:05:20,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:20,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:20,420 INFO L225 Difference]: With dead ends: 146 [2020-10-25 23:05:20,421 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:05:20,425 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 23:05:20,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:05:20,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-25 23:05:20,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-25 23:05:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-10-25 23:05:20,490 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-10-25 23:05:20,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:20,490 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-10-25 23:05:20,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:20,491 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-10-25 23:05:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:20,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:20,492 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 23:05:20,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:20,493 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:20,494 INFO L82 PathProgramCache]: Analyzing trace with hash 749505699, now seen corresponding path program 1 times [2020-10-25 23:05:20,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:20,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832116816] [2020-10-25 23:05:20,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:20,613 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 23:05:20,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832116816] [2020-10-25 23:05:20,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:20,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:20,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212544743] [2020-10-25 23:05:20,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:20,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:20,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:20,625 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-10-25 23:05:20,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:20,647 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-10-25 23:05:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:20,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:20,650 INFO L225 Difference]: With dead ends: 71 [2020-10-25 23:05:20,650 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:05:20,653 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 23:05:20,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:05:20,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:05:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:05:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-25 23:05:20,660 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-25 23:05:20,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:20,660 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-25 23:05:20,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-25 23:05:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:20,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:20,661 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 23:05:20,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:20,662 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:20,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:20,663 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2020-10-25 23:05:20,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:20,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35728121] [2020-10-25 23:05:20,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:20,784 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 23:05:20,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35728121] [2020-10-25 23:05:20,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:20,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:20,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135524331] [2020-10-25 23:05:20,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:20,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:20,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:20,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:20,788 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-10-25 23:05:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,080 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2020-10-25 23:05:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:21,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:05:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,083 INFO L225 Difference]: With dead ends: 115 [2020-10-25 23:05:21,083 INFO L226 Difference]: Without dead ends: 87 [2020-10-25 23:05:21,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:21,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-25 23:05:21,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2020-10-25 23:05:21,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:05:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-10-25 23:05:21,099 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-10-25 23:05:21,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,100 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-10-25 23:05:21,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-10-25 23:05:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:21,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,102 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 23:05:21,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:21,102 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2020-10-25 23:05:21,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526529129] [2020-10-25 23:05:21,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,196 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 23:05:21,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526529129] [2020-10-25 23:05:21,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:21,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096450698] [2020-10-25 23:05:21,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:21,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:21,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:21,200 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-10-25 23:05:21,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,316 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-10-25 23:05:21,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:21,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:21,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,319 INFO L225 Difference]: With dead ends: 242 [2020-10-25 23:05:21,319 INFO L226 Difference]: Without dead ends: 194 [2020-10-25 23:05:21,320 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 23:05:21,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-25 23:05:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-10-25 23:05:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-25 23:05:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-10-25 23:05:21,340 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-10-25 23:05:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,340 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-10-25 23:05:21,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-10-25 23:05:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:21,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,342 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 23:05:21,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:21,342 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2020-10-25 23:05:21,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771626740] [2020-10-25 23:05:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,424 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 23:05:21,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771626740] [2020-10-25 23:05:21,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:21,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613146429] [2020-10-25 23:05:21,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:21,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:21,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:21,427 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-10-25 23:05:21,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,513 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-10-25 23:05:21,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:21,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:21,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,516 INFO L225 Difference]: With dead ends: 285 [2020-10-25 23:05:21,516 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:21,519 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 23:05:21,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:21,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:21,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:21,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,522 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:21,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:21,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:21,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:21,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:21,796 INFO L274 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-10-25 23:05:21,797 INFO L270 CegarLoopResult]: At program point L250-1(lines 250 256) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:21,797 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:21,797 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:21,797 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:21,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:21,798 INFO L270 CegarLoopResult]: At program point L152(lines 145 155) the Hoare annotation is: false [2020-10-25 23:05:21,798 INFO L270 CegarLoopResult]: At program point L152-1(lines 145 155) the Hoare annotation is: false [2020-10-25 23:05:21,798 INFO L270 CegarLoopResult]: At program point L152-2(lines 145 155) the Hoare annotation is: false [2020-10-25 23:05:21,798 INFO L277 CegarLoopResult]: At program point L912(lines 893 915) the Hoare annotation is: true [2020-10-25 23:05:21,798 INFO L270 CegarLoopResult]: At program point L879(lines 875 881) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:21,798 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-10-25 23:05:21,799 INFO L274 CegarLoopResult]: For program point L798(lines 798 815) no Hoare annotation was computed. [2020-10-25 23:05:21,799 INFO L270 CegarLoopResult]: At program point L798-1(lines 1 915) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,799 INFO L270 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: false [2020-10-25 23:05:21,800 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 815) no Hoare annotation was computed. [2020-10-25 23:05:21,800 INFO L270 CegarLoopResult]: At program point L798-3(lines 1 915) the Hoare annotation is: false [2020-10-25 23:05:21,800 INFO L274 CegarLoopResult]: For program point L798-4(lines 798 815) no Hoare annotation was computed. [2020-10-25 23:05:21,800 INFO L270 CegarLoopResult]: At program point L798-5(lines 1 915) the Hoare annotation is: false [2020-10-25 23:05:21,801 INFO L274 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-10-25 23:05:21,801 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-10-25 23:05:21,801 INFO L270 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:21,802 INFO L270 CegarLoopResult]: At program point L768(lines 1 915) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:21,802 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:21,802 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:21,802 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-10-25 23:05:21,802 INFO L274 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-10-25 23:05:21,803 INFO L274 CegarLoopResult]: For program point L372-1(line 372) no Hoare annotation was computed. [2020-10-25 23:05:21,803 INFO L274 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-10-25 23:05:21,803 INFO L274 CegarLoopResult]: For program point L372-2(line 372) no Hoare annotation was computed. [2020-10-25 23:05:21,803 INFO L274 CegarLoopResult]: For program point L240(lines 240 246) no Hoare annotation was computed. [2020-10-25 23:05:21,803 INFO L270 CegarLoopResult]: At program point L240-1(lines 240 246) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,804 INFO L274 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-10-25 23:05:21,804 INFO L274 CegarLoopResult]: For program point L802(lines 802 812) no Hoare annotation was computed. [2020-10-25 23:05:21,804 INFO L274 CegarLoopResult]: For program point L835-1(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:05:21,804 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 812) no Hoare annotation was computed. [2020-10-25 23:05:21,804 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 812) no Hoare annotation was computed. [2020-10-25 23:05:21,805 INFO L270 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,805 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-10-25 23:05:21,805 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-10-25 23:05:21,805 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-10-25 23:05:21,806 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:21,806 INFO L274 CegarLoopResult]: For program point L803(lines 803 809) no Hoare annotation was computed. [2020-10-25 23:05:21,806 INFO L274 CegarLoopResult]: For program point L803-2(lines 803 809) no Hoare annotation was computed. [2020-10-25 23:05:21,806 INFO L274 CegarLoopResult]: For program point L803-4(lines 803 809) no Hoare annotation was computed. [2020-10-25 23:05:21,807 INFO L270 CegarLoopResult]: At program point L787(lines 782 789) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:21,807 INFO L274 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-10-25 23:05:21,807 INFO L277 CegarLoopResult]: At program point L903-1(lines 903 910) the Hoare annotation is: true [2020-10-25 23:05:21,807 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:21,807 INFO L274 CegarLoopResult]: For program point L260(lines 260 273) no Hoare annotation was computed. [2020-10-25 23:05:21,808 INFO L270 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,808 INFO L270 CegarLoopResult]: At program point L161-1(lines 156 164) the Hoare annotation is: false [2020-10-25 23:05:21,808 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:21,808 INFO L270 CegarLoopResult]: At program point L161-2(lines 156 164) the Hoare annotation is: false [2020-10-25 23:05:21,808 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:21,809 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-10-25 23:05:21,809 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-10-25 23:05:21,809 INFO L274 CegarLoopResult]: For program point L294-3(lines 294 298) no Hoare annotation was computed. [2020-10-25 23:05:21,809 INFO L274 CegarLoopResult]: For program point L294-6(lines 294 298) no Hoare annotation was computed. [2020-10-25 23:05:21,809 INFO L270 CegarLoopResult]: At program point L278(lines 229 279) the Hoare annotation is: false [2020-10-25 23:05:21,810 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:21,810 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:21,810 INFO L270 CegarLoopResult]: At program point L776(lines 771 779) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:21,810 INFO L274 CegarLoopResult]: For program point L231(lines 230 277) no Hoare annotation was computed. [2020-10-25 23:05:21,811 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,811 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-10-25 23:05:21,811 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-10-25 23:05:21,811 INFO L270 CegarLoopResult]: At program point L331(lines 326 334) the Hoare annotation is: false [2020-10-25 23:05:21,811 INFO L270 CegarLoopResult]: At program point L331-1(lines 326 334) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,812 INFO L270 CegarLoopResult]: At program point L331-2(lines 326 334) the Hoare annotation is: false [2020-10-25 23:05:21,812 INFO L274 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-10-25 23:05:21,812 INFO L270 CegarLoopResult]: At program point L331-3(lines 326 334) the Hoare annotation is: false [2020-10-25 23:05:21,812 INFO L270 CegarLoopResult]: At program point L331-4(lines 326 334) the Hoare annotation is: false [2020-10-25 23:05:21,812 INFO L270 CegarLoopResult]: At program point L331-5(lines 326 334) the Hoare annotation is: false [2020-10-25 23:05:21,813 INFO L274 CegarLoopResult]: For program point L266(lines 266 272) no Hoare annotation was computed. [2020-10-25 23:05:21,813 INFO L270 CegarLoopResult]: At program point L266-1(lines 59 65) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:05:21,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:21 BoogieIcfgContainer [2020-10-25 23:05:21,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:21,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:21,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:21,838 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:21,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:19" (3/4) ... [2020-10-25 23:05:21,842 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:21,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:21,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:21,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:21,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:21,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:21,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:21,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:21,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:21,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:05:21,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:05:21,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:05:21,961 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:21,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:21,963 INFO L168 Benchmark]: Toolchain (without parser) took 3868.63 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 38.6 MB in the beginning and 33.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,964 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:21,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.41 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 29.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.83 ms. Allocated memory is still 56.6 MB. Free memory was 29.3 MB in the beginning and 39.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,966 INFO L168 Benchmark]: Boogie Preprocessor took 43.29 ms. Allocated memory is still 56.6 MB. Free memory was 39.7 MB in the beginning and 37.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,966 INFO L168 Benchmark]: RCFGBuilder took 1067.41 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 37.4 MB in the beginning and 47.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,967 INFO L168 Benchmark]: TraceAbstraction took 1963.10 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 46.8 MB in the beginning and 39.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,967 INFO L168 Benchmark]: Witness Printer took 124.18 ms. Allocated memory is still 94.4 MB. Free memory was 39.7 MB in the beginning and 33.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:21,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.41 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 29.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.83 ms. Allocated memory is still 56.6 MB. Free memory was 29.3 MB in the beginning and 39.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.29 ms. Allocated memory is still 56.6 MB. Free memory was 39.7 MB in the beginning and 37.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1067.41 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 37.4 MB in the beginning and 47.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1963.10 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 46.8 MB in the beginning and 39.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 124.18 ms. Allocated memory is still 94.4 MB. Free memory was 39.7 MB in the beginning and 33.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 425 SDslu, 540 SDs, 0 SdLazy, 81 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 141 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4534 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, 5537 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...