./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_product17.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 f109400e8916ff9eba13533e7575144e5f0c1404 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:05:17,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:17,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:17,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:17,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:17,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:17,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:17,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:17,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:17,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:17,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:17,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:17,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:17,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:17,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:17,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:17,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:17,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:17,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:17,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:17,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:17,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:17,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:17,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:17,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:17,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:17,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:17,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:17,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:17,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:17,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:17,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:17,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:17,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:17,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:17,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:17,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:17,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:17,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:17,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:17,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:17,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:17,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:17,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:17,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:17,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:17,500 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:17,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:17,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:17,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:17,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:17,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:17,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:17,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:17,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:17,507 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:17,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:17,507 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:17,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:17,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:17,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:17,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:17,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:17,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:17,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:17,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:17,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:17,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:17,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:17,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:17,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:17,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2020-10-25 23:05:17,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:18,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:18,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:18,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:18,054 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:18,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-10-25 23:05:18,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdcf3348f/3445d00a7f594f94a5c80424aa6e5da3/FLAG114a6dc1d [2020-10-25 23:05:18,957 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:18,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-10-25 23:05:18,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdcf3348f/3445d00a7f594f94a5c80424aa6e5da3/FLAG114a6dc1d [2020-10-25 23:05:18,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdcf3348f/3445d00a7f594f94a5c80424aa6e5da3 [2020-10-25 23:05:19,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:19,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:19,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:19,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:19,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:19,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:19,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3982b986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19, skipping insertion in model container [2020-10-25 23:05:19,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:19,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:19,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:19,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:19,500 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:19,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:19,641 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:19,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19 WrapperNode [2020-10-25 23:05:19,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:19,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:19,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:19,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:19,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:19,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:19,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:19,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:19,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:19,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:19,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:19,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:19,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (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 23:05:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:20,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:20,938 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-25 23:05:20,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:20 BoogieIcfgContainer [2020-10-25 23:05:20,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:20,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:20,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:20,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:20,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:18" (1/3) ... [2020-10-25 23:05:20,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314651e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:20, skipping insertion in model container [2020-10-25 23:05:20,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (2/3) ... [2020-10-25 23:05:20,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314651e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:20, skipping insertion in model container [2020-10-25 23:05:20,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:20" (3/3) ... [2020-10-25 23:05:20,950 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-10-25 23:05:20,963 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:20,969 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:20,983 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:21,011 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:21,012 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:21,012 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:21,012 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:21,012 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:21,012 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:21,012 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:21,013 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-10-25 23:05:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:21,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-10-25 23:05:21,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741556323] [2020-10-25 23:05:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,381 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 23:05:21,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741556323] [2020-10-25 23:05:21,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:21,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592547685] [2020-10-25 23:05:21,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:21,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:21,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:21,414 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-10-25 23:05:21,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,468 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-10-25 23:05:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:21,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,493 INFO L225 Difference]: With dead ends: 154 [2020-10-25 23:05:21,494 INFO L226 Difference]: Without dead ends: 75 [2020-10-25 23:05:21,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:21,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-25 23:05:21,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-25 23:05:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-25 23:05:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-10-25 23:05:21,575 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-10-25 23:05:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,575 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-10-25 23:05:21,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-10-25 23:05:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:21,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:21,579 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,582 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-10-25 23:05:21,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850455765] [2020-10-25 23:05:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,718 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 23:05:21,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850455765] [2020-10-25 23:05:21,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:21,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717145313] [2020-10-25 23:05:21,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:21,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:21,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:21,722 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-10-25 23:05:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,735 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-10-25 23:05:21,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:21,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,737 INFO L225 Difference]: With dead ends: 75 [2020-10-25 23:05:21,737 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:05:21,738 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 23:05:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:05:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:05:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:05:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-25 23:05:21,743 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-25 23:05:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,744 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-25 23:05:21,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-25 23:05:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:21,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,745 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 23:05:21,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:21,746 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-10-25 23:05:21,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518197755] [2020-10-25 23:05:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,874 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 23:05:21,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518197755] [2020-10-25 23:05:21,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:21,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709619987] [2020-10-25 23:05:21,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:21,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:21,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:21,878 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-10-25 23:05:22,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,096 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-10-25 23:05:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:22,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:05:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,098 INFO L225 Difference]: With dead ends: 63 [2020-10-25 23:05:22,099 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:05:22,101 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 23:05:22,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:05:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:05:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:05:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-10-25 23:05:22,111 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-10-25 23:05:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,112 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-10-25 23:05:22,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-10-25 23:05:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:22,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:22,115 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-10-25 23:05:22,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366899448] [2020-10-25 23:05:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366899448] [2020-10-25 23:05:22,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464160506] [2020-10-25 23:05:22,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,252 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-10-25 23:05:22,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,343 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-10-25 23:05:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:22,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:22,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,346 INFO L225 Difference]: With dead ends: 154 [2020-10-25 23:05:22,346 INFO L226 Difference]: Without dead ends: 126 [2020-10-25 23:05:22,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-25 23:05:22,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-10-25 23:05:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-25 23:05:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-10-25 23:05:22,359 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-10-25 23:05:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,359 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-10-25 23:05:22,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-10-25 23:05:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:22,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:22,361 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-10-25 23:05:22,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887653106] [2020-10-25 23:05:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887653106] [2020-10-25 23:05:22,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929780449] [2020-10-25 23:05:22,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,491 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-10-25 23:05:22,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,570 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-10-25 23:05:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:22,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,571 INFO L225 Difference]: With dead ends: 150 [2020-10-25 23:05:22,571 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:22,572 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 23:05:22,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:22,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:22,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,574 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:22,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:22,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:22,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:22,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:22,947 INFO L270 CegarLoopResult]: At program point L217(lines 216 235) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,948 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:22,948 INFO L274 CegarLoopResult]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2020-10-25 23:05:22,948 INFO L274 CegarLoopResult]: For program point L151(lines 150 195) no Hoare annotation was computed. [2020-10-25 23:05:22,948 INFO L270 CegarLoopResult]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2020-10-25 23:05:22,948 INFO L270 CegarLoopResult]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2020-10-25 23:05:22,948 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L796(lines 796 806) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-10-25 23:05:22,949 INFO L274 CegarLoopResult]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2020-10-25 23:05:22,950 INFO L274 CegarLoopResult]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2020-10-25 23:05:22,951 INFO L274 CegarLoopResult]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2020-10-25 23:05:22,951 INFO L274 CegarLoopResult]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2020-10-25 23:05:22,951 INFO L270 CegarLoopResult]: At program point L302(lines 297 305) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,951 INFO L270 CegarLoopResult]: At program point L781(lines 776 783) 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 23:05:22,951 INFO L270 CegarLoopResult]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2020-10-25 23:05:22,952 INFO L270 CegarLoopResult]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2020-10-25 23:05:22,952 INFO L274 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-10-25 23:05:22,952 INFO L270 CegarLoopResult]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,952 INFO L274 CegarLoopResult]: For program point L897(lines 897 904) no Hoare annotation was computed. [2020-10-25 23:05:22,952 INFO L277 CegarLoopResult]: At program point L897-1(lines 897 904) the Hoare annotation is: true [2020-10-25 23:05:22,952 INFO L274 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-10-25 23:05:22,952 INFO L274 CegarLoopResult]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2020-10-25 23:05:22,952 INFO L274 CegarLoopResult]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L270 CegarLoopResult]: At program point L387(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point L404-2(line 404) no Hoare annotation was computed. [2020-10-25 23:05:22,953 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:22,954 INFO L270 CegarLoopResult]: At program point L224(lines 224 230) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,954 INFO L270 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2020-10-25 23:05:22,954 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2020-10-25 23:05:22,954 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,954 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-25 23:05:22,954 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-25 23:05:22,955 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:22,955 INFO L270 CegarLoopResult]: At program point L357(lines 342 360) the Hoare annotation is: false [2020-10-25 23:05:22,955 INFO L270 CegarLoopResult]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2020-10-25 23:05:22,955 INFO L270 CegarLoopResult]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2020-10-25 23:05:22,955 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-10-25 23:05:22,955 INFO L270 CegarLoopResult]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,955 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:22,956 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-25 23:05:22,956 INFO L277 CegarLoopResult]: At program point L906(lines 887 909) the Hoare annotation is: true [2020-10-25 23:05:22,956 INFO L270 CegarLoopResult]: At program point L873(lines 869 875) 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 23:05:22,956 INFO L270 CegarLoopResult]: At program point L196(lines 149 197) the Hoare annotation is: false [2020-10-25 23:05:22,956 INFO L274 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-10-25 23:05:22,956 INFO L270 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:05:22,956 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:22,957 INFO L274 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-10-25 23:05:22,957 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:22,957 INFO L270 CegarLoopResult]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-10-25 23:05:22,957 INFO L270 CegarLoopResult]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2020-10-25 23:05:22,957 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-10-25 23:05:22,957 INFO L270 CegarLoopResult]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2020-10-25 23:05:22,957 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2020-10-25 23:05:22,958 INFO L270 CegarLoopResult]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2020-10-25 23:05:22,958 INFO L274 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-10-25 23:05:22,958 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:22,958 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:22,958 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-25 23:05:22,958 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:22,958 INFO L274 CegarLoopResult]: For program point L249(lines 249 266) no Hoare annotation was computed. [2020-10-25 23:05:22,959 INFO L274 CegarLoopResult]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2020-10-25 23:05:22,959 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2020-10-25 23:05:22,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:22 BoogieIcfgContainer [2020-10-25 23:05:22,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:22,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:22,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:22,983 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:22,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:20" (3/4) ... [2020-10-25 23:05:22,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:23,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:23,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:23,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:23,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:23,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:23,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,041 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:05:23,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:05:23,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:05:23,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,043 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-10-25 23:05:23,165 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:23,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:23,168 INFO L168 Benchmark]: Toolchain (without parser) took 4162.62 ms. Allocated memory was 44.0 MB in the beginning and 81.8 MB in the end (delta: 37.7 MB). Free memory was 20.5 MB in the beginning and 44.3 MB in the end (delta: -23.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,169 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 44.0 MB. Free memory is still 30.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:23,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.02 ms. Allocated memory is still 44.0 MB. Free memory was 19.9 MB in the beginning and 21.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.79 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 18.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,170 INFO L168 Benchmark]: Boogie Preprocessor took 47.15 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.6 MB in the beginning and 37.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,171 INFO L168 Benchmark]: RCFGBuilder took 1152.20 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 31.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,171 INFO L168 Benchmark]: TraceAbstraction took 2039.69 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.6 MB in the beginning and 51.4 MB in the end (delta: -19.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,171 INFO L168 Benchmark]: Witness Printer took 182.75 ms. Allocated memory is still 81.8 MB. Free memory was 51.4 MB in the beginning and 44.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 44.0 MB. Free memory is still 30.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.02 ms. Allocated memory is still 44.0 MB. Free memory was 19.9 MB in the beginning and 21.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.79 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 18.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.15 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.6 MB in the beginning and 37.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1152.20 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 31.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2039.69 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.6 MB in the beginning and 51.4 MB in the end (delta: -19.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * Witness Printer took 182.75 ms. Allocated memory is still 81.8 MB. Free memory was 51.4 MB in the beginning and 44.3 MB in the end (delta: 7.1 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 388 SDslu, 296 SDs, 0 SdLazy, 46 SolverSat, 9 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=82occurred in iteration=0, 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 285 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 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...