./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product32.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_product32.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 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:05:26,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:26,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:26,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:26,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:26,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:26,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:26,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:26,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:26,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:26,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:26,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:26,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:26,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:26,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:26,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:26,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:26,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:26,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:26,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:26,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:26,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:26,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:26,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:26,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:26,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:26,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:26,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:26,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:26,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:26,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:26,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:26,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:26,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:26,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:26,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:26,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:26,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:26,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:26,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:26,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:26,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:26,617 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:26,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:26,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:26,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:26,621 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:26,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:26,622 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:26,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:26,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:26,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:26,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:26,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:26,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:26,625 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:26,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:26,626 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:26,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:26,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:26,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:26,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:26,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:26,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:26,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:26,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:26,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:26,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:26,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:26,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:26,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:26,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a [2020-10-25 23:05:27,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:27,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:27,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:27,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:27,094 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:27,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-10-25 23:05:27,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bde079f5/4ab25c0e74fe44da801fd2d4e3a7821e/FLAG8adc5790b [2020-10-25 23:05:27,843 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:27,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-10-25 23:05:27,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bde079f5/4ab25c0e74fe44da801fd2d4e3a7821e/FLAG8adc5790b [2020-10-25 23:05:28,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bde079f5/4ab25c0e74fe44da801fd2d4e3a7821e [2020-10-25 23:05:28,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:28,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:28,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:28,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:28,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:28,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:28,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f917b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28, skipping insertion in model container [2020-10-25 23:05:28,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:28,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:28,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:28,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:28,751 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:28,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:28,960 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:28,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28 WrapperNode [2020-10-25 23:05:28,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:28,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:28,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:28,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:28,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:28,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:29,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:29,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:29,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:29,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (1/1) ... [2020-10-25 23:05:29,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:29,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:29,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:29,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:29,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (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 23:05:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:30,144 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:30,145 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-10-25 23:05:30,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:30 BoogieIcfgContainer [2020-10-25 23:05:30,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:30,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:30,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:30,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:30,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:28" (1/3) ... [2020-10-25 23:05:30,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530c042c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:30, skipping insertion in model container [2020-10-25 23:05:30,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:28" (2/3) ... [2020-10-25 23:05:30,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530c042c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:30, skipping insertion in model container [2020-10-25 23:05:30,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:30" (3/3) ... [2020-10-25 23:05:30,157 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-10-25 23:05:30,170 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:30,177 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:30,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:30,230 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:30,230 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:30,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:30,231 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:30,231 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:30,231 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:30,231 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:30,231 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-25 23:05:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:30,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:30,257 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 23:05:30,258 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:30,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:30,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2046385212, now seen corresponding path program 1 times [2020-10-25 23:05:30,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:30,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268704611] [2020-10-25 23:05:30,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:30,632 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 23:05:30,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268704611] [2020-10-25 23:05:30,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:30,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:30,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58353083] [2020-10-25 23:05:30,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:30,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:30,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:30,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:30,661 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-25 23:05:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:30,704 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-10-25 23:05:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:30,706 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:30,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:30,719 INFO L225 Difference]: With dead ends: 218 [2020-10-25 23:05:30,719 INFO L226 Difference]: Without dead ends: 107 [2020-10-25 23:05:30,724 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 23:05:30,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-25 23:05:30,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-25 23:05:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-25 23:05:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-10-25 23:05:30,808 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-10-25 23:05:30,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:30,808 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-10-25 23:05:30,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-10-25 23:05:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:30,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:30,813 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 23:05:30,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:30,814 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2029746115, now seen corresponding path program 1 times [2020-10-25 23:05:30,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:30,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937045388] [2020-10-25 23:05:30,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:30,941 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 23:05:30,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937045388] [2020-10-25 23:05:30,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:30,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:30,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905389892] [2020-10-25 23:05:30,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:30,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:30,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:30,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:30,948 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2020-10-25 23:05:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:30,961 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-10-25 23:05:30,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:30,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:30,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:30,963 INFO L225 Difference]: With dead ends: 107 [2020-10-25 23:05:30,964 INFO L226 Difference]: Without dead ends: 47 [2020-10-25 23:05:30,965 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 23:05:30,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-25 23:05:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-25 23:05:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-25 23:05:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-10-25 23:05:30,971 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-10-25 23:05:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:30,972 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-10-25 23:05:30,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-10-25 23:05:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:30,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:30,973 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 23:05:30,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:30,974 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:30,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:30,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2020-10-25 23:05:30,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:30,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631065649] [2020-10-25 23:05:30,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:31,093 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 23:05:31,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631065649] [2020-10-25 23:05:31,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:31,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:31,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619978727] [2020-10-25 23:05:31,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:31,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:31,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:31,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:31,097 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 5 states. [2020-10-25 23:05:31,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:31,167 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-10-25 23:05:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:31,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:31,169 INFO L225 Difference]: With dead ends: 111 [2020-10-25 23:05:31,169 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:05:31,170 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 23:05:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:05:31,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2020-10-25 23:05:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-25 23:05:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2020-10-25 23:05:31,181 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2020-10-25 23:05:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:31,181 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2020-10-25 23:05:31,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2020-10-25 23:05:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:31,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:31,183 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 23:05:31,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:31,183 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:31,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:31,184 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2020-10-25 23:05:31,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:31,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322521817] [2020-10-25 23:05:31,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:31,300 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 23:05:31,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322521817] [2020-10-25 23:05:31,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:31,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:31,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067949757] [2020-10-25 23:05:31,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:31,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:31,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:31,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:31,308 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2020-10-25 23:05:31,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:31,467 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2020-10-25 23:05:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:31,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:31,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:31,471 INFO L225 Difference]: With dead ends: 314 [2020-10-25 23:05:31,471 INFO L226 Difference]: Without dead ends: 254 [2020-10-25 23:05:31,472 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 23:05:31,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-25 23:05:31,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2020-10-25 23:05:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-25 23:05:31,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2020-10-25 23:05:31,504 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2020-10-25 23:05:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:31,504 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2020-10-25 23:05:31,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2020-10-25 23:05:31,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-25 23:05:31,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:31,510 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, 1] [2020-10-25 23:05:31,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:31,511 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:31,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:31,511 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2020-10-25 23:05:31,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:31,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246685890] [2020-10-25 23:05:31,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:31,638 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 23:05:31,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246685890] [2020-10-25 23:05:31,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:31,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:31,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010208750] [2020-10-25 23:05:31,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:31,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:31,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:31,641 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2020-10-25 23:05:31,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:31,717 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2020-10-25 23:05:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:31,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-25 23:05:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:31,718 INFO L225 Difference]: With dead ends: 315 [2020-10-25 23:05:31,719 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:31,720 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 23:05:31,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:31,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-25 23:05:31,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:31,722 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:31,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:31,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:31,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:31,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:32,061 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:32,061 INFO L274 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-10-25 23:05:32,061 INFO L270 CegarLoopResult]: At program point L333-1(lines 333 339) 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 23:05:32,062 INFO L274 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-10-25 23:05:32,062 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:32,062 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:32,062 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:32,062 INFO L270 CegarLoopResult]: At program point L533(lines 528 536) the Hoare annotation is: false [2020-10-25 23:05:32,062 INFO L270 CegarLoopResult]: At program point L533-1(lines 528 536) 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 23:05:32,063 INFO L270 CegarLoopResult]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2020-10-25 23:05:32,063 INFO L270 CegarLoopResult]: At program point L533-3(lines 528 536) the Hoare annotation is: false [2020-10-25 23:05:32,063 INFO L270 CegarLoopResult]: At program point L533-4(lines 528 536) the Hoare annotation is: false [2020-10-25 23:05:32,063 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-25 23:05:32,063 INFO L270 CegarLoopResult]: At program point L533-5(lines 528 536) the Hoare annotation is: false [2020-10-25 23:05:32,063 INFO L274 CegarLoopResult]: For program point L368-1(lines 142 148) no Hoare annotation was computed. [2020-10-25 23:05:32,064 INFO L274 CegarLoopResult]: For program point L600(lines 600 610) no Hoare annotation was computed. [2020-10-25 23:05:32,064 INFO L274 CegarLoopResult]: For program point L600-2(lines 600 610) no Hoare annotation was computed. [2020-10-25 23:05:32,064 INFO L274 CegarLoopResult]: For program point L600-4(lines 600 610) no Hoare annotation was computed. [2020-10-25 23:05:32,064 INFO L270 CegarLoopResult]: At program point L270(lines 265 273) 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 23:05:32,064 INFO L270 CegarLoopResult]: At program point L270-1(lines 265 273) the Hoare annotation is: false [2020-10-25 23:05:32,065 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-10-25 23:05:32,065 INFO L270 CegarLoopResult]: At program point L270-2(lines 265 273) the Hoare annotation is: false [2020-10-25 23:05:32,065 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-10-25 23:05:32,065 INFO L274 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-10-25 23:05:32,065 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-25 23:05:32,065 INFO L270 CegarLoopResult]: At program point L105-1(lines 142 148) 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 23:05:32,066 INFO L274 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-10-25 23:05:32,066 INFO L274 CegarLoopResult]: For program point L601-2(lines 601 607) no Hoare annotation was computed. [2020-10-25 23:05:32,066 INFO L274 CegarLoopResult]: For program point L601-4(lines 601 607) no Hoare annotation was computed. [2020-10-25 23:05:32,066 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-10-25 23:05:32,066 INFO L274 CegarLoopResult]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2020-10-25 23:05:32,066 INFO L274 CegarLoopResult]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2020-10-25 23:05:32,067 INFO L274 CegarLoopResult]: For program point L174-3(lines 174 191) no Hoare annotation was computed. [2020-10-25 23:05:32,067 INFO L274 CegarLoopResult]: For program point L174-4(lines 174 191) no Hoare annotation was computed. [2020-10-25 23:05:32,067 INFO L274 CegarLoopResult]: For program point L174-5(lines 174 191) no Hoare annotation was computed. [2020-10-25 23:05:32,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:32,067 INFO L270 CegarLoopResult]: At program point L142(lines 141 160) 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 23:05:32,068 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-10-25 23:05:32,068 INFO L270 CegarLoopResult]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2020-10-25 23:05:32,068 INFO L270 CegarLoopResult]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2020-10-25 23:05:32,068 INFO L274 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-10-25 23:05:32,068 INFO L277 CegarLoopResult]: At program point L440-1(lines 440 447) the Hoare annotation is: true [2020-10-25 23:05:32,068 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-25 23:05:32,069 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 23:05:32,069 INFO L270 CegarLoopResult]: At program point L574(lines 569 577) the Hoare annotation is: false [2020-10-25 23:05:32,069 INFO L270 CegarLoopResult]: At program point L574-1(lines 569 577) the Hoare annotation is: false [2020-10-25 23:05:32,069 INFO L274 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-25 23:05:32,069 INFO L270 CegarLoopResult]: At program point L574-2(lines 569 577) the Hoare annotation is: false [2020-10-25 23:05:32,069 INFO L270 CegarLoopResult]: At program point L574-3(lines 569 577) the Hoare annotation is: false [2020-10-25 23:05:32,070 INFO L270 CegarLoopResult]: At program point L574-4(lines 569 577) the Hoare annotation is: false [2020-10-25 23:05:32,070 INFO L270 CegarLoopResult]: At program point L574-5(lines 569 577) the Hoare annotation is: false [2020-10-25 23:05:32,070 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-10-25 23:05:32,070 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2020-10-25 23:05:32,070 INFO L274 CegarLoopResult]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2020-10-25 23:05:32,070 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 186) no Hoare annotation was computed. [2020-10-25 23:05:32,071 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:05:32,071 INFO L274 CegarLoopResult]: For program point L178-4(lines 178 186) no Hoare annotation was computed. [2020-10-25 23:05:32,071 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:05:32,071 INFO L274 CegarLoopResult]: For program point L178-5(lines 178 186) no Hoare annotation was computed. [2020-10-25 23:05:32,071 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:05:32,071 INFO L270 CegarLoopResult]: At program point L476(lines 1 982) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:05:32,072 INFO L270 CegarLoopResult]: At program point L412(lines 408 414) 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 23:05:32,072 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) 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 23:05:32,072 INFO L270 CegarLoopResult]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2020-10-25 23:05:32,072 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2020-10-25 23:05:32,072 INFO L270 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2020-10-25 23:05:32,073 INFO L277 CegarLoopResult]: At program point L449(lines 430 452) the Hoare annotation is: true [2020-10-25 23:05:32,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:32,073 INFO L274 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-10-25 23:05:32,073 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 23:05:32,073 INFO L270 CegarLoopResult]: At program point L484(lines 479 487) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319-2(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319-3(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319-5(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319-6(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319-8(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,074 INFO L274 CegarLoopResult]: For program point L319-9(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,075 INFO L274 CegarLoopResult]: For program point L319-11(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,075 INFO L274 CegarLoopResult]: For program point L319-12(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,075 INFO L274 CegarLoopResult]: For program point L319-14(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,075 INFO L274 CegarLoopResult]: For program point L319-15(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,075 INFO L274 CegarLoopResult]: For program point L319-17(lines 319 323) no Hoare annotation was computed. [2020-10-25 23:05:32,075 INFO L270 CegarLoopResult]: At program point L585(lines 580 587) 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 23:05:32,076 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:05:32,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:32,076 INFO L270 CegarLoopResult]: At program point L325(lines 310 328) the Hoare annotation is: false [2020-10-25 23:05:32,076 INFO L270 CegarLoopResult]: At program point L325-1(lines 310 328) the Hoare annotation is: false [2020-10-25 23:05:32,076 INFO L270 CegarLoopResult]: At program point L325-2(lines 310 328) the Hoare annotation is: false [2020-10-25 23:05:32,076 INFO L270 CegarLoopResult]: At program point L325-3(lines 310 328) the Hoare annotation is: false [2020-10-25 23:05:32,077 INFO L270 CegarLoopResult]: At program point L325-4(lines 310 328) the Hoare annotation is: false [2020-10-25 23:05:32,077 INFO L270 CegarLoopResult]: At program point L325-5(lines 310 328) the Hoare annotation is: false [2020-10-25 23:05:32,077 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:32,077 INFO L270 CegarLoopResult]: At program point L261(lines 254 264) the Hoare annotation is: false [2020-10-25 23:05:32,077 INFO L270 CegarLoopResult]: At program point L261-1(lines 254 264) the Hoare annotation is: false [2020-10-25 23:05:32,077 INFO L270 CegarLoopResult]: At program point L261-2(lines 254 264) the Hoare annotation is: false [2020-10-25 23:05:32,077 INFO L274 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-10-25 23:05:32,078 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:32,078 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:32,078 INFO L274 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-10-25 23:05:32,078 INFO L274 CegarLoopResult]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2020-10-25 23:05:32,078 INFO L274 CegarLoopResult]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2020-10-25 23:05:32,078 INFO L270 CegarLoopResult]: At program point L364-2(lines 364 378) the Hoare annotation is: false [2020-10-25 23:05:32,079 INFO L274 CegarLoopResult]: For program point L596(lines 596 613) no Hoare annotation was computed. [2020-10-25 23:05:32,079 INFO L270 CegarLoopResult]: At program point L596-1(lines 1 982) 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 23:05:32,079 INFO L274 CegarLoopResult]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2020-10-25 23:05:32,079 INFO L270 CegarLoopResult]: At program point L596-3(lines 1 982) the Hoare annotation is: false [2020-10-25 23:05:32,079 INFO L274 CegarLoopResult]: For program point L596-4(lines 596 613) no Hoare annotation was computed. [2020-10-25 23:05:32,079 INFO L270 CegarLoopResult]: At program point L596-5(lines 1 982) the Hoare annotation is: false [2020-10-25 23:05:32,080 INFO L274 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-10-25 23:05:32,080 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-10-25 23:05:32,080 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-10-25 23:05:32,080 INFO L274 CegarLoopResult]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-10-25 23:05:32,081 INFO L274 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-10-25 23:05:32,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:32 BoogieIcfgContainer [2020-10-25 23:05:32,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:32,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:32,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:32,106 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:32,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:30" (3/4) ... [2020-10-25 23:05:32,111 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:32,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:32,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:32,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:32,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:32,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:32,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:32,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:32,170 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:32,170 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:32,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:32,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:32,267 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:32,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:32,270 INFO L168 Benchmark]: Toolchain (without parser) took 4092.57 ms. Allocated memory was 48.2 MB in the beginning and 98.6 MB in the end (delta: 50.3 MB). Free memory was 24.0 MB in the beginning and 56.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,270 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:32,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.71 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 23.4 MB in the beginning and 43.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.69 ms. Allocated memory is still 67.1 MB. Free memory was 43.0 MB in the beginning and 39.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,272 INFO L168 Benchmark]: Boogie Preprocessor took 49.96 ms. Allocated memory is still 67.1 MB. Free memory was 39.1 MB in the beginning and 36.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,273 INFO L168 Benchmark]: RCFGBuilder took 1043.80 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 32.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,274 INFO L168 Benchmark]: TraceAbstraction took 1954.94 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 32.3 MB in the beginning and 66.5 MB in the end (delta: -34.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,278 INFO L168 Benchmark]: Witness Printer took 161.71 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 56.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:32,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 774.71 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 23.4 MB in the beginning and 43.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.69 ms. Allocated memory is still 67.1 MB. Free memory was 43.0 MB in the beginning and 39.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.96 ms. Allocated memory is still 67.1 MB. Free memory was 39.1 MB in the beginning and 36.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1043.80 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 32.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1954.94 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 32.3 MB in the beginning and 66.5 MB in the end (delta: -34.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 161.71 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 56.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 479]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 622 SDslu, 433 SDs, 0 SdLazy, 72 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=119occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 139 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 211 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4192 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5043 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...