./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_product04.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 4ac176d5f6a200147241aca05fd00270bccec34f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:03:44,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:44,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:44,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:44,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:44,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:44,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:44,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:44,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:44,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:44,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:44,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:44,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:44,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:44,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:44,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:44,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:44,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:44,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:44,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:44,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:44,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:44,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:44,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:44,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:44,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:44,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:44,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:44,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:44,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:44,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:44,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:44,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:44,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:44,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:44,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:44,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:44,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:44,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:44,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:44,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:45,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:45,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:45,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:45,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:45,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:45,047 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:45,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:45,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:45,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:45,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:45,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:45,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:45,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:45,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:45,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:45,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:45,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:45,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:45,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:45,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:45,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:45,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:45,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:45,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:45,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:45,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:45,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:45,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:45,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:45,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:45,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2020-10-25 23:03:45,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:45,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:45,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:45,521 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:45,522 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:45,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-10-25 23:03:45,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ac21349/5fb4e4790a444fa0ace5131d7f902104/FLAG99c17d9e8 [2020-10-25 23:03:46,324 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:46,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-10-25 23:03:46,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ac21349/5fb4e4790a444fa0ace5131d7f902104/FLAG99c17d9e8 [2020-10-25 23:03:46,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ac21349/5fb4e4790a444fa0ace5131d7f902104 [2020-10-25 23:03:46,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:46,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:46,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:46,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:46,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:46,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:46" (1/1) ... [2020-10-25 23:03:46,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d98acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:46, skipping insertion in model container [2020-10-25 23:03:46,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:46" (1/1) ... [2020-10-25 23:03:46,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:46,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:47,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:47,253 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:47,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:47,462 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:47,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47 WrapperNode [2020-10-25 23:03:47,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:47,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:47,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:47,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:47,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:47,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:47,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:47,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:47,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (1/1) ... [2020-10-25 23:03:47,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:47,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:47,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:47,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:47,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (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 23:03:47,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:47,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:48,620 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:48,621 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-10-25 23:03:48,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:48 BoogieIcfgContainer [2020-10-25 23:03:48,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:48,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:48,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:48,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:48,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:46" (1/3) ... [2020-10-25 23:03:48,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f019ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:48, skipping insertion in model container [2020-10-25 23:03:48,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:47" (2/3) ... [2020-10-25 23:03:48,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f019ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:48, skipping insertion in model container [2020-10-25 23:03:48,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:48" (3/3) ... [2020-10-25 23:03:48,633 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2020-10-25 23:03:48,645 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:48,650 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:48,664 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:48,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:48,692 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:48,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:48,693 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:48,693 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:48,693 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:48,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:48,694 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-25 23:03:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:48,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:48,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:48,719 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:48,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:48,726 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-10-25 23:03:48,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:48,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142891030] [2020-10-25 23:03:48,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:49,031 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 23:03:49,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142891030] [2020-10-25 23:03:49,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:49,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:49,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296903199] [2020-10-25 23:03:49,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:49,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:49,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:49,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:49,064 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-10-25 23:03:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:49,100 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-10-25 23:03:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:49,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:49,114 INFO L225 Difference]: With dead ends: 115 [2020-10-25 23:03:49,115 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:03:49,121 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 23:03:49,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:03:49,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:03:49,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:03:49,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-10-25 23:03:49,167 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-10-25 23:03:49,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:49,167 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-10-25 23:03:49,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-10-25 23:03:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:49,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:49,169 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 23:03:49,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:49,169 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:49,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-10-25 23:03:49,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:49,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793055875] [2020-10-25 23:03:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:49,278 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 23:03:49,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793055875] [2020-10-25 23:03:49,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:49,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:49,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618190133] [2020-10-25 23:03:49,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:49,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:49,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:49,283 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-10-25 23:03:49,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:49,293 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-10-25 23:03:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:49,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:49,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:49,295 INFO L225 Difference]: With dead ends: 55 [2020-10-25 23:03:49,295 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 23:03:49,296 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 23:03:49,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 23:03:49,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-25 23:03:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 23:03:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-25 23:03:49,301 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-10-25 23:03:49,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:49,302 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-25 23:03:49,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-25 23:03:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:49,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:49,303 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 23:03:49,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:49,304 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:49,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:49,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-10-25 23:03:49,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:49,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200002184] [2020-10-25 23:03:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:49,419 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 23:03:49,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200002184] [2020-10-25 23:03:49,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:49,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:03:49,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606112378] [2020-10-25 23:03:49,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:49,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:49,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:49,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:49,422 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-25 23:03:49,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:49,490 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-10-25 23:03:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:03:49,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:03:49,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:49,492 INFO L225 Difference]: With dead ends: 75 [2020-10-25 23:03:49,492 INFO L226 Difference]: Without dead ends: 52 [2020-10-25 23:03:49,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:03:49,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-25 23:03:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-10-25 23:03:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-25 23:03:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-10-25 23:03:49,505 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-10-25 23:03:49,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:49,505 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-10-25 23:03:49,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-10-25 23:03:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:49,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:49,507 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 23:03:49,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:49,507 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:49,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:49,508 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-10-25 23:03:49,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:49,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569315269] [2020-10-25 23:03:49,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:49,593 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 23:03:49,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569315269] [2020-10-25 23:03:49,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:49,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:49,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708594237] [2020-10-25 23:03:49,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:49,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:49,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:49,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:49,596 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-10-25 23:03:49,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:49,712 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-10-25 23:03:49,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:49,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:03:49,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:49,715 INFO L225 Difference]: With dead ends: 214 [2020-10-25 23:03:49,716 INFO L226 Difference]: Without dead ends: 172 [2020-10-25 23:03:49,717 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 23:03:49,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-25 23:03:49,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-10-25 23:03:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-25 23:03:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-10-25 23:03:49,736 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-10-25 23:03:49,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:49,736 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-10-25 23:03:49,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-10-25 23:03:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:49,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:49,740 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] [2020-10-25 23:03:49,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:49,740 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:49,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:49,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2020-10-25 23:03:49,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:49,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855892281] [2020-10-25 23:03:49,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:49,860 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 23:03:49,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855892281] [2020-10-25 23:03:49,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:49,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:49,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992028515] [2020-10-25 23:03:49,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:49,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:49,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:49,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:49,864 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-10-25 23:03:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:49,932 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-10-25 23:03:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:49,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:49,933 INFO L225 Difference]: With dead ends: 268 [2020-10-25 23:03:49,933 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:49,935 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 23:03:49,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:49,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:49,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:03:49,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:49,937 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:49,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:49,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:49,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:03:49,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:50,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:50,223 INFO L274 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-10-25 23:03:50,223 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:50,224 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:50,224 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:50,224 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:50,224 INFO L274 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-10-25 23:03:50,224 INFO L270 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,224 INFO L274 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-10-25 23:03:50,225 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-25 23:03:50,225 INFO L270 CegarLoopResult]: At program point L105-1(lines 141 147) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,225 INFO L277 CegarLoopResult]: At program point L866(lines 847 869) the Hoare annotation is: true [2020-10-25 23:03:50,226 INFO L270 CegarLoopResult]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,226 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:50,226 INFO L270 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,226 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2020-10-25 23:03:50,227 INFO L270 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2020-10-25 23:03:50,227 INFO L270 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2020-10-25 23:03:50,227 INFO L270 CegarLoopResult]: At program point L736(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:03:50,227 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-10-25 23:03:50,228 INFO L274 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-10-25 23:03:50,228 INFO L274 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-10-25 23:03:50,228 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:50,228 INFO L270 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2020-10-25 23:03:50,228 INFO L274 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-10-25 23:03:50,229 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-25 23:03:50,229 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,229 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:50,229 INFO L274 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-10-25 23:03:50,230 INFO L270 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,230 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:03:50,230 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:03:50,230 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:03:50,231 INFO L270 CegarLoopResult]: At program point L674(lines 669 677) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,231 INFO L270 CegarLoopResult]: At program point L674-1(lines 669 677) the Hoare annotation is: false [2020-10-25 23:03:50,231 INFO L270 CegarLoopResult]: At program point L674-2(lines 669 677) the Hoare annotation is: false [2020-10-25 23:03:50,231 INFO L274 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-10-25 23:03:50,231 INFO L274 CegarLoopResult]: For program point L757(lines 757 770) no Hoare annotation was computed. [2020-10-25 23:03:50,232 INFO L274 CegarLoopResult]: For program point L790-1(lines 141 147) no Hoare annotation was computed. [2020-10-25 23:03:50,232 INFO L270 CegarLoopResult]: At program point L757-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,232 INFO L274 CegarLoopResult]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2020-10-25 23:03:50,232 INFO L270 CegarLoopResult]: At program point L757-3(lines 1 869) the Hoare annotation is: false [2020-10-25 23:03:50,233 INFO L274 CegarLoopResult]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2020-10-25 23:03:50,233 INFO L270 CegarLoopResult]: At program point L757-5(lines 1 869) the Hoare annotation is: false [2020-10-25 23:03:50,233 INFO L274 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-10-25 23:03:50,233 INFO L274 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-10-25 23:03:50,234 INFO L277 CegarLoopResult]: At program point L857-1(lines 857 864) the Hoare annotation is: true [2020-10-25 23:03:50,234 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:50,234 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:50,234 INFO L270 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,235 INFO L270 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2020-10-25 23:03:50,235 INFO L270 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2020-10-25 23:03:50,235 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-10-25 23:03:50,235 INFO L270 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,235 INFO L274 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-10-25 23:03:50,236 INFO L274 CegarLoopResult]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2020-10-25 23:03:50,236 INFO L270 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2020-10-25 23:03:50,236 INFO L274 CegarLoopResult]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2020-10-25 23:03:50,236 INFO L270 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:03:50,236 INFO L270 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2020-10-25 23:03:50,237 INFO L270 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2020-10-25 23:03:50,237 INFO L274 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-10-25 23:03:50,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:50 BoogieIcfgContainer [2020-10-25 23:03:50,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:50,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:50,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:50,260 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:50,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:48" (3/4) ... [2020-10-25 23:03:50,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:50,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:50,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:50,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:50,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:50,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:50,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:50,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:50,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:03:50,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-25 23:03:50,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,315 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:03:50,363 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:03:50,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:03:50,366 INFO L168 Benchmark]: Toolchain (without parser) took 3719.40 ms. Allocated memory was 41.9 MB in the beginning and 65.0 MB in the end (delta: 23.1 MB). Free memory was 19.2 MB in the beginning and 19.3 MB in the end (delta: -149.4 kB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,366 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory was 22.4 MB in the beginning and 22.4 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:50,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.05 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 27.5 MB in the beginning and 27.3 MB in the end (delta: 186.8 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.57 ms. Allocated memory is still 50.3 MB. Free memory was 27.3 MB in the beginning and 24.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,368 INFO L168 Benchmark]: Boogie Preprocessor took 46.14 ms. Allocated memory is still 50.3 MB. Free memory was 24.7 MB in the beginning and 34.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,369 INFO L168 Benchmark]: RCFGBuilder took 997.56 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 34.8 MB in the beginning and 38.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,369 INFO L168 Benchmark]: TraceAbstraction took 1634.10 ms. Allocated memory is still 65.0 MB. Free memory was 38.5 MB in the beginning and 25.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,370 INFO L168 Benchmark]: Witness Printer took 103.73 ms. Allocated memory is still 65.0 MB. Free memory was 25.1 MB in the beginning and 19.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:50,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory was 22.4 MB in the beginning and 22.4 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 795.05 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 27.5 MB in the beginning and 27.3 MB in the end (delta: 186.8 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.57 ms. Allocated memory is still 50.3 MB. Free memory was 27.3 MB in the beginning and 24.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.14 ms. Allocated memory is still 50.3 MB. Free memory was 24.7 MB in the beginning and 34.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 997.56 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 34.8 MB in the beginning and 38.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1634.10 ms. Allocated memory is still 65.0 MB. Free memory was 38.5 MB in the beginning and 25.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Witness Printer took 103.73 ms. Allocated memory is still 65.0 MB. Free memory was 25.1 MB in the beginning and 19.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 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: 268 SDtfs, 417 SDslu, 274 SDs, 0 SdLazy, 44 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 176 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4132 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3801 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...