./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product23.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 6775cf40df2c7fe85c2d16019d10d145a8673615 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:04:16,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:04:16,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:04:16,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:04:16,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:04:16,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:04:16,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:04:16,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:04:16,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:04:16,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:04:16,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:04:16,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:04:16,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:04:16,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:04:16,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:04:16,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:04:16,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:04:16,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:04:16,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:04:16,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:04:16,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:04:16,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:04:16,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:04:16,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:04:16,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:04:16,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:04:16,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:04:16,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:04:16,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:04:16,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:04:16,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:04:16,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:04:16,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:04:16,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:04:16,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:04:16,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:04:16,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:04:16,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:04:16,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:04:16,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:04:16,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:04:16,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:17,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:17,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:17,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:17,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:17,033 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:17,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:17,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:17,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:17,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:17,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:17,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:17,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:17,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:17,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:17,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:17,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:17,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:17,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:17,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:17,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:17,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:17,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:17,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:17,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:17,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:17,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:17,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:17,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:17,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:17,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2020-10-25 23:04:17,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:17,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:17,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:17,477 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:17,481 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:17,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-10-25 23:04:17,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c07dec3/7a8b766b9b1e4189818d6ea4d90be4b3/FLAG2b2759846 [2020-10-25 23:04:18,174 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:18,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-10-25 23:04:18,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c07dec3/7a8b766b9b1e4189818d6ea4d90be4b3/FLAG2b2759846 [2020-10-25 23:04:18,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c07dec3/7a8b766b9b1e4189818d6ea4d90be4b3 [2020-10-25 23:04:18,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:18,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:18,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:18,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:18,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:18,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:18" (1/1) ... [2020-10-25 23:04:18,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784613de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:18, skipping insertion in model container [2020-10-25 23:04:18,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:18" (1/1) ... [2020-10-25 23:04:18,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:18,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:18,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:18,935 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:19,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:19,098 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:19,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19 WrapperNode [2020-10-25 23:04:19,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:19,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:19,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:19,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:19,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:19,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:19,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:19,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:19,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... [2020-10-25 23:04:19,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:19,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:19,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:19,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:19,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:20,324 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:20,325 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-25 23:04:20,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:20 BoogieIcfgContainer [2020-10-25 23:04:20,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:20,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:20,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:20,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:20,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:18" (1/3) ... [2020-10-25 23:04:20,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30aa7c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:20, skipping insertion in model container [2020-10-25 23:04:20,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:19" (2/3) ... [2020-10-25 23:04:20,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30aa7c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:20, skipping insertion in model container [2020-10-25 23:04:20,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:20" (3/3) ... [2020-10-25 23:04:20,337 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-10-25 23:04:20,349 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:20,354 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:20,367 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:20,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:20,396 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:20,396 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:20,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:20,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:20,397 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:20,397 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:20,398 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-25 23:04:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:20,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:20,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:20,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:20,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:20,431 INFO L82 PathProgramCache]: Analyzing trace with hash -2110279171, now seen corresponding path program 1 times [2020-10-25 23:04:20,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:20,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210744064] [2020-10-25 23:04:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:20,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210744064] [2020-10-25 23:04:20,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:20,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:20,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816060261] [2020-10-25 23:04:20,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:20,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:20,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:20,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:20,716 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-10-25 23:04:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:20,751 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-10-25 23:04:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:20,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:20,766 INFO L225 Difference]: With dead ends: 211 [2020-10-25 23:04:20,767 INFO L226 Difference]: Without dead ends: 103 [2020-10-25 23:04:20,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-25 23:04:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-25 23:04:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-25 23:04:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-10-25 23:04:20,819 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-10-25 23:04:20,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:20,820 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-10-25 23:04:20,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-10-25 23:04:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:20,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:20,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:20,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:20,823 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:20,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1364569740, now seen corresponding path program 1 times [2020-10-25 23:04:20,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:20,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087609409] [2020-10-25 23:04:20,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:21,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087609409] [2020-10-25 23:04:21,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:21,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:21,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338042731] [2020-10-25 23:04:21,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:21,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:21,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:21,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:21,017 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-10-25 23:04:21,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:21,033 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-10-25 23:04:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:21,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:21,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:21,035 INFO L225 Difference]: With dead ends: 103 [2020-10-25 23:04:21,035 INFO L226 Difference]: Without dead ends: 45 [2020-10-25 23:04:21,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-25 23:04:21,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-25 23:04:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-25 23:04:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-25 23:04:21,042 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-10-25 23:04:21,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:21,043 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-25 23:04:21,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-25 23:04:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:21,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:21,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:21,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:21,045 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:21,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-10-25 23:04:21,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:21,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686495349] [2020-10-25 23:04:21,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:21,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686495349] [2020-10-25 23:04:21,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:21,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:21,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391608036] [2020-10-25 23:04:21,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:21,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:21,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:21,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:21,117 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-10-25 23:04:21,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:21,147 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-10-25 23:04:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:21,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-25 23:04:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:21,152 INFO L225 Difference]: With dead ends: 123 [2020-10-25 23:04:21,154 INFO L226 Difference]: Without dead ends: 84 [2020-10-25 23:04:21,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:21,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-25 23:04:21,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-10-25 23:04:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-25 23:04:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-10-25 23:04:21,177 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-10-25 23:04:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:21,178 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-10-25 23:04:21,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-10-25 23:04:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:04:21,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:21,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:21,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:21,182 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:21,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:21,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-10-25 23:04:21,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:21,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841176854] [2020-10-25 23:04:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:21,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841176854] [2020-10-25 23:04:21,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:21,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:21,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288705194] [2020-10-25 23:04:21,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:21,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:21,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:21,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:21,310 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2020-10-25 23:04:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:21,430 INFO L93 Difference]: Finished difference Result 404 states and 614 transitions. [2020-10-25 23:04:21,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:21,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:04:21,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:21,435 INFO L225 Difference]: With dead ends: 404 [2020-10-25 23:04:21,435 INFO L226 Difference]: Without dead ends: 330 [2020-10-25 23:04:21,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:04:21,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-10-25 23:04:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 148. [2020-10-25 23:04:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-25 23:04:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2020-10-25 23:04:21,458 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 24 [2020-10-25 23:04:21,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:21,459 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2020-10-25 23:04:21,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2020-10-25 23:04:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:04:21,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:21,461 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 23:04:21,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:21,462 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:21,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:21,463 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2020-10-25 23:04:21,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:21,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746304876] [2020-10-25 23:04:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:21,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746304876] [2020-10-25 23:04:21,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:21,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:21,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126411805] [2020-10-25 23:04:21,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:21,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:21,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:21,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:21,550 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand 5 states. [2020-10-25 23:04:21,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:21,620 INFO L93 Difference]: Finished difference Result 356 states and 539 transitions. [2020-10-25 23:04:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:21,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:04:21,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:21,621 INFO L225 Difference]: With dead ends: 356 [2020-10-25 23:04:21,621 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:21,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:04:21,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:21,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:21,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-25 23:04:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:21,625 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:21,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:21,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:21,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:04:21,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:21,906 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:21,906 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:21,906 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:21,907 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:21,907 INFO L277 CegarLoopResult]: At program point L928(lines 909 931) the Hoare annotation is: true [2020-10-25 23:04:21,907 INFO L270 CegarLoopResult]: At program point L697(lines 692 700) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,907 INFO L270 CegarLoopResult]: At program point L697-1(lines 692 700) the Hoare annotation is: false [2020-10-25 23:04:21,907 INFO L270 CegarLoopResult]: At program point L697-2(lines 692 700) the Hoare annotation is: false [2020-10-25 23:04:21,907 INFO L270 CegarLoopResult]: At program point L565(lines 516 566) the Hoare annotation is: false [2020-10-25 23:04:21,908 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2020-10-25 23:04:21,908 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-10-25 23:04:21,908 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-10-25 23:04:21,908 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-10-25 23:04:21,908 INFO L270 CegarLoopResult]: At program point L499-3(lines 494 502) the Hoare annotation is: false [2020-10-25 23:04:21,908 INFO L270 CegarLoopResult]: At program point L499-4(lines 494 502) the Hoare annotation is: false [2020-10-25 23:04:21,909 INFO L270 CegarLoopResult]: At program point L499-5(lines 494 502) the Hoare annotation is: false [2020-10-25 23:04:21,909 INFO L270 CegarLoopResult]: At program point L896(lines 892 898) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:21,909 INFO L270 CegarLoopResult]: At program point L832(lines 827 835) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:21,909 INFO L274 CegarLoopResult]: For program point L537(lines 537 543) no Hoare annotation was computed. [2020-10-25 23:04:21,909 INFO L270 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,909 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L937-1(line 937) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L937-2(line 937) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2020-10-25 23:04:21,910 INFO L274 CegarLoopResult]: For program point L547(lines 547 560) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746-2(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746-3(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746-5(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746-6(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746-8(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,911 INFO L274 CegarLoopResult]: For program point L746-9(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L746-11(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L746-12(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L746-14(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L746-15(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L746-17(lines 746 750) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2020-10-25 23:04:21,912 INFO L274 CegarLoopResult]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2020-10-25 23:04:21,913 INFO L274 CegarLoopResult]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2020-10-25 23:04:21,913 INFO L274 CegarLoopResult]: For program point L781(lines 781 794) no Hoare annotation was computed. [2020-10-25 23:04:21,913 INFO L270 CegarLoopResult]: At program point L781-1(lines 1 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,913 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 794) no Hoare annotation was computed. [2020-10-25 23:04:21,913 INFO L270 CegarLoopResult]: At program point L781-3(lines 1 940) the Hoare annotation is: false [2020-10-25 23:04:21,913 INFO L274 CegarLoopResult]: For program point L781-4(lines 781 794) no Hoare annotation was computed. [2020-10-25 23:04:21,913 INFO L270 CegarLoopResult]: At program point L781-5(lines 1 940) the Hoare annotation is: false [2020-10-25 23:04:21,914 INFO L270 CegarLoopResult]: At program point L848-2(lines 848 862) the Hoare annotation is: false [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L518(lines 517 564) no Hoare annotation was computed. [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L618(lines 618 635) no Hoare annotation was computed. [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L618-1(lines 618 635) no Hoare annotation was computed. [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L618-2(lines 618 635) no Hoare annotation was computed. [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-25 23:04:21,914 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 635) no Hoare annotation was computed. [2020-10-25 23:04:21,915 INFO L274 CegarLoopResult]: For program point L618-4(lines 618 635) no Hoare annotation was computed. [2020-10-25 23:04:21,915 INFO L274 CegarLoopResult]: For program point L618-5(lines 618 635) no Hoare annotation was computed. [2020-10-25 23:04:21,915 INFO L270 CegarLoopResult]: At program point L586(lines 585 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,915 INFO L274 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-10-25 23:04:21,915 INFO L274 CegarLoopResult]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2020-10-25 23:04:21,915 INFO L270 CegarLoopResult]: At program point L553-1(lines 586 592) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,915 INFO L270 CegarLoopResult]: At program point L586-2(lines 585 604) the Hoare annotation is: false [2020-10-25 23:04:21,916 INFO L270 CegarLoopResult]: At program point L586-3(lines 585 604) the Hoare annotation is: false [2020-10-25 23:04:21,916 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-10-25 23:04:21,916 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-10-25 23:04:21,916 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:21,916 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-10-25 23:04:21,916 INFO L274 CegarLoopResult]: For program point L785(lines 785 791) no Hoare annotation was computed. [2020-10-25 23:04:21,916 INFO L270 CegarLoopResult]: At program point L752(lines 737 755) the Hoare annotation is: false [2020-10-25 23:04:21,917 INFO L270 CegarLoopResult]: At program point L752-1(lines 737 755) the Hoare annotation is: false [2020-10-25 23:04:21,917 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 791) no Hoare annotation was computed. [2020-10-25 23:04:21,917 INFO L270 CegarLoopResult]: At program point L752-2(lines 737 755) the Hoare annotation is: false [2020-10-25 23:04:21,918 INFO L270 CegarLoopResult]: At program point L752-3(lines 737 755) the Hoare annotation is: false [2020-10-25 23:04:21,918 INFO L274 CegarLoopResult]: For program point L785-4(lines 785 791) no Hoare annotation was computed. [2020-10-25 23:04:21,918 INFO L270 CegarLoopResult]: At program point L752-4(lines 737 755) the Hoare annotation is: false [2020-10-25 23:04:21,918 INFO L270 CegarLoopResult]: At program point L752-5(lines 737 755) the Hoare annotation is: false [2020-10-25 23:04:21,918 INFO L274 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-10-25 23:04:21,918 INFO L274 CegarLoopResult]: For program point L852-1(lines 586 592) no Hoare annotation was computed. [2020-10-25 23:04:21,918 INFO L274 CegarLoopResult]: For program point L919(lines 919 926) no Hoare annotation was computed. [2020-10-25 23:04:21,919 INFO L277 CegarLoopResult]: At program point L919-1(lines 919 926) the Hoare annotation is: true [2020-10-25 23:04:21,919 INFO L270 CegarLoopResult]: At program point L688(lines 681 691) the Hoare annotation is: false [2020-10-25 23:04:21,919 INFO L270 CegarLoopResult]: At program point L688-1(lines 681 691) the Hoare annotation is: false [2020-10-25 23:04:21,919 INFO L274 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-10-25 23:04:21,919 INFO L270 CegarLoopResult]: At program point L688-2(lines 681 691) the Hoare annotation is: false [2020-10-25 23:04:21,919 INFO L274 CegarLoopResult]: For program point L622-1(lines 622 630) no Hoare annotation was computed. [2020-10-25 23:04:21,919 INFO L274 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-10-25 23:04:21,919 INFO L274 CegarLoopResult]: For program point L622-3(lines 622 630) no Hoare annotation was computed. [2020-10-25 23:04:21,920 INFO L274 CegarLoopResult]: For program point L622-4(lines 622 630) no Hoare annotation was computed. [2020-10-25 23:04:21,920 INFO L274 CegarLoopResult]: For program point L622-5(lines 622 630) no Hoare annotation was computed. [2020-10-25 23:04:21,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:21,920 INFO L270 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: false [2020-10-25 23:04:21,920 INFO L270 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,920 INFO L270 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2020-10-25 23:04:21,921 INFO L270 CegarLoopResult]: At program point L458-3(lines 453 461) the Hoare annotation is: false [2020-10-25 23:04:21,922 INFO L270 CegarLoopResult]: At program point L458-4(lines 453 461) the Hoare annotation is: false [2020-10-25 23:04:21,922 INFO L270 CegarLoopResult]: At program point L458-5(lines 453 461) the Hoare annotation is: false [2020-10-25 23:04:21,922 INFO L270 CegarLoopResult]: At program point L824(lines 1 940) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:21,922 INFO L270 CegarLoopResult]: At program point L593(lines 593 599) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,922 INFO L270 CegarLoopResult]: At program point L593-1(lines 593 599) the Hoare annotation is: false [2020-10-25 23:04:21,923 INFO L274 CegarLoopResult]: For program point L527(lines 527 533) no Hoare annotation was computed. [2020-10-25 23:04:21,923 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 599) the Hoare annotation is: false [2020-10-25 23:04:21,923 INFO L270 CegarLoopResult]: At program point L527-1(lines 527 533) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,923 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:21,924 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:21,924 INFO L274 CegarLoopResult]: For program point L760(lines 760 766) no Hoare annotation was computed. [2020-10-25 23:04:21,924 INFO L270 CegarLoopResult]: At program point L760-1(lines 760 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:21,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:21 BoogieIcfgContainer [2020-10-25 23:04:21,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:21,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:21,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:21,959 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:21,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:20" (3/4) ... [2020-10-25 23:04:21,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:21,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:21,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:21,994 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:21,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:21,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:21,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:21,998 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:22,039 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:22,133 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:22,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:22,135 INFO L168 Benchmark]: Toolchain (without parser) took 3650.12 ms. Allocated memory was 48.2 MB in the beginning and 88.1 MB in the end (delta: 39.8 MB). Free memory was 24.0 MB in the beginning and 32.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,136 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:22,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.18 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.3 MB in the beginning and 37.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.34 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 33.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,141 INFO L168 Benchmark]: Boogie Preprocessor took 52.48 ms. Allocated memory is still 60.8 MB. Free memory was 33.3 MB in the beginning and 30.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,142 INFO L168 Benchmark]: RCFGBuilder took 1087.05 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 53.8 MB in the end (delta: -23.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,142 INFO L168 Benchmark]: TraceAbstraction took 1628.95 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.3 MB in the beginning and 42.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,143 INFO L168 Benchmark]: Witness Printer took 174.50 ms. Allocated memory is still 88.1 MB. Free memory was 42.1 MB in the beginning and 32.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:22,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.18 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.3 MB in the beginning and 37.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.34 ms. Allocated memory is still 60.8 MB. Free memory was 37.1 MB in the beginning and 33.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.48 ms. Allocated memory is still 60.8 MB. Free memory was 33.3 MB in the beginning and 30.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.05 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 53.8 MB in the end (delta: -23.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1628.95 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.3 MB in the beginning and 42.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * Witness Printer took 174.50 ms. Allocated memory is still 88.1 MB. Free memory was 42.1 MB in the beginning and 32.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 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: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 433 SDslu, 417 SDs, 0 SdLazy, 66 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 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...