./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_product46.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 509af06f1a7d0e447633255d4acb572bd82e2db9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:04:42,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:04:42,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:04:42,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:04:42,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:04:42,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:04:42,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:04:42,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:04:42,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:04:42,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:04:42,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:04:42,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:04:42,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:04:42,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:04:42,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:04:42,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:04:42,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:04:42,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:04:42,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:04:42,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:04:42,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:04:42,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:04:42,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:04:42,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:04:42,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:04:42,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:04:42,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:04:42,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:04:42,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:04:42,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:04:42,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:04:42,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:04:42,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:04:42,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:04:42,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:04:42,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:04:42,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:04:42,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:04:42,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:04:42,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:04:42,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:04:42,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:42,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:42,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:42,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:42,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:42,503 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:42,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:42,503 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:42,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:42,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:42,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:42,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:42,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:42,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:42,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:42,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:42,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:42,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:42,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:42,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:42,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:42,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:42,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:42,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:42,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:42,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:42,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:42,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:42,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:42,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:42,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509af06f1a7d0e447633255d4acb572bd82e2db9 [2020-10-25 23:04:42,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:42,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:42,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:42,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:42,930 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:42,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2020-10-25 23:04:43,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf54bf14/14b1a617fbf349888f1c47001c6e0e91/FLAG650bb8e24 [2020-10-25 23:04:43,592 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:43,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2020-10-25 23:04:43,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf54bf14/14b1a617fbf349888f1c47001c6e0e91/FLAG650bb8e24 [2020-10-25 23:04:43,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf54bf14/14b1a617fbf349888f1c47001c6e0e91 [2020-10-25 23:04:43,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:43,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:43,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:43,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:43,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:43,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:43" (1/1) ... [2020-10-25 23:04:43,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0d2b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:43, skipping insertion in model container [2020-10-25 23:04:43,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:43" (1/1) ... [2020-10-25 23:04:43,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:43,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:44,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:44,296 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:44,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:44,450 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:44,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44 WrapperNode [2020-10-25 23:04:44,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:44,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:44,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:44,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:44,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:44,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:44,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:44,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:44,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... [2020-10-25 23:04:44,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:44,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:44,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:44,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:44,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:45,776 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:45,777 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-10-25 23:04:45,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:45 BoogieIcfgContainer [2020-10-25 23:04:45,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:45,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:45,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:45,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:45,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:43" (1/3) ... [2020-10-25 23:04:45,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfa4169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:45, skipping insertion in model container [2020-10-25 23:04:45,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:44" (2/3) ... [2020-10-25 23:04:45,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfa4169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:45, skipping insertion in model container [2020-10-25 23:04:45,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:45" (3/3) ... [2020-10-25 23:04:45,788 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-10-25 23:04:45,800 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:45,805 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:45,822 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:45,850 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:45,850 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:45,850 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:45,851 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:45,851 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:45,851 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:45,851 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:45,851 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-10-25 23:04:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:45,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:45,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:45,878 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:45,884 INFO L82 PathProgramCache]: Analyzing trace with hash 677139685, now seen corresponding path program 1 times [2020-10-25 23:04:45,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:45,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713283892] [2020-10-25 23:04:45,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:46,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713283892] [2020-10-25 23:04:46,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:46,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:46,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569680464] [2020-10-25 23:04:46,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:46,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:46,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:46,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:46,221 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2020-10-25 23:04:46,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:46,258 INFO L93 Difference]: Finished difference Result 255 states and 380 transitions. [2020-10-25 23:04:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:46,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:46,271 INFO L225 Difference]: With dead ends: 255 [2020-10-25 23:04:46,271 INFO L226 Difference]: Without dead ends: 125 [2020-10-25 23:04:46,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:46,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-25 23:04:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-25 23:04:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-25 23:04:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2020-10-25 23:04:46,330 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2020-10-25 23:04:46,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:46,331 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2020-10-25 23:04:46,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-10-25 23:04:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:46,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:46,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:46,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:46,333 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:46,334 INFO L82 PathProgramCache]: Analyzing trace with hash -369617212, now seen corresponding path program 1 times [2020-10-25 23:04:46,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:46,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261609588] [2020-10-25 23:04:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:46,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261609588] [2020-10-25 23:04:46,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:46,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:46,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345683412] [2020-10-25 23:04:46,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:46,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:46,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:46,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:46,459 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2020-10-25 23:04:46,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:46,473 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-10-25 23:04:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:46,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:46,476 INFO L225 Difference]: With dead ends: 125 [2020-10-25 23:04:46,476 INFO L226 Difference]: Without dead ends: 51 [2020-10-25 23:04:46,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-25 23:04:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-25 23:04:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-25 23:04:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-10-25 23:04:46,484 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2020-10-25 23:04:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:46,485 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-10-25 23:04:46,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-10-25 23:04:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:46,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:46,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:46,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:46,487 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:46,488 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2020-10-25 23:04:46,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:46,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400358594] [2020-10-25 23:04:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:46,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400358594] [2020-10-25 23:04:46,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:46,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:04:46,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557277971] [2020-10-25 23:04:46,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:46,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:46,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:46,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:46,590 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2020-10-25 23:04:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:46,656 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-10-25 23:04:46,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:46,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:04:46,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:46,658 INFO L225 Difference]: With dead ends: 96 [2020-10-25 23:04:46,659 INFO L226 Difference]: Without dead ends: 51 [2020-10-25 23:04:46,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:04:46,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-25 23:04:46,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-25 23:04:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-25 23:04:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-10-25 23:04:46,671 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2020-10-25 23:04:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:46,672 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-10-25 23:04:46,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-10-25 23:04:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:04:46,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:46,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:46,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:46,678 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:46,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2020-10-25 23:04:46,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:46,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263776106] [2020-10-25 23:04:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:46,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263776106] [2020-10-25 23:04:46,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:46,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:46,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127162191] [2020-10-25 23:04:46,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:46,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:46,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:46,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:46,785 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-10-25 23:04:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:46,841 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2020-10-25 23:04:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:46,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-25 23:04:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:46,843 INFO L225 Difference]: With dead ends: 117 [2020-10-25 23:04:46,843 INFO L226 Difference]: Without dead ends: 72 [2020-10-25 23:04:46,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:46,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-25 23:04:46,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-10-25 23:04:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-25 23:04:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2020-10-25 23:04:46,856 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2020-10-25 23:04:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:46,857 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2020-10-25 23:04:46,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-10-25 23:04:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-25 23:04:46,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:46,858 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, 1, 1, 1] [2020-10-25 23:04:46,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:46,859 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:46,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:46,860 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2020-10-25 23:04:46,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:46,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691969072] [2020-10-25 23:04:46,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:46,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691969072] [2020-10-25 23:04:46,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:46,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:46,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630145608] [2020-10-25 23:04:46,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:46,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:46,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:46,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:46,935 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2020-10-25 23:04:47,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:47,074 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2020-10-25 23:04:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:47,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-25 23:04:47,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:47,077 INFO L225 Difference]: With dead ends: 335 [2020-10-25 23:04:47,077 INFO L226 Difference]: Without dead ends: 271 [2020-10-25 23:04:47,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:04:47,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-10-25 23:04:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2020-10-25 23:04:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-25 23:04:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2020-10-25 23:04:47,099 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2020-10-25 23:04:47,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:47,100 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2020-10-25 23:04:47,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2020-10-25 23:04:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-25 23:04:47,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:47,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:47,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:04:47,103 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:47,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:47,103 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2020-10-25 23:04:47,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:47,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018080775] [2020-10-25 23:04:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:47,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018080775] [2020-10-25 23:04:47,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:47,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:47,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525700983] [2020-10-25 23:04:47,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:47,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:47,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:47,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:47,177 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2020-10-25 23:04:47,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:47,296 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2020-10-25 23:04:47,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:04:47,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-25 23:04:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:47,300 INFO L225 Difference]: With dead ends: 366 [2020-10-25 23:04:47,300 INFO L226 Difference]: Without dead ends: 364 [2020-10-25 23:04:47,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:04:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-25 23:04:47,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2020-10-25 23:04:47,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-25 23:04:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2020-10-25 23:04:47,327 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2020-10-25 23:04:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:47,328 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2020-10-25 23:04:47,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2020-10-25 23:04:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:04:47,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:47,330 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:47,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:04:47,331 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:47,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:47,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2020-10-25 23:04:47,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:47,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675466027] [2020-10-25 23:04:47,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:47,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675466027] [2020-10-25 23:04:47,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:47,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:04:47,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082967818] [2020-10-25 23:04:47,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:47,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:47,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:47,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:47,390 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2020-10-25 23:04:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:47,468 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2020-10-25 23:04:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:04:47,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-25 23:04:47,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:47,470 INFO L225 Difference]: With dead ends: 336 [2020-10-25 23:04:47,470 INFO L226 Difference]: Without dead ends: 214 [2020-10-25 23:04:47,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:04:47,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-25 23:04:47,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2020-10-25 23:04:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-25 23:04:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-10-25 23:04:47,487 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2020-10-25 23:04:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:47,488 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-10-25 23:04:47,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-10-25 23:04:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:04:47,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:47,490 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:47,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:04:47,490 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:47,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:47,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2020-10-25 23:04:47,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:47,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991009755] [2020-10-25 23:04:47,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:47,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991009755] [2020-10-25 23:04:47,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:47,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:47,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818329578] [2020-10-25 23:04:47,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:04:47,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:47,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:04:47,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:04:47,547 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2020-10-25 23:04:47,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:47,605 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2020-10-25 23:04:47,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:04:47,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-25 23:04:47,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:47,607 INFO L225 Difference]: With dead ends: 332 [2020-10-25 23:04:47,607 INFO L226 Difference]: Without dead ends: 198 [2020-10-25 23:04:47,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-25 23:04:47,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2020-10-25 23:04:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-25 23:04:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2020-10-25 23:04:47,624 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2020-10-25 23:04:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:47,624 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2020-10-25 23:04:47,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:04:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2020-10-25 23:04:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:04:47,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:47,626 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:47,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:04:47,626 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:47,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:47,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2020-10-25 23:04:47,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:47,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412953066] [2020-10-25 23:04:47,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:47,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412953066] [2020-10-25 23:04:47,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:47,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:47,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619822108] [2020-10-25 23:04:47,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:47,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:47,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:47,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:47,702 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2020-10-25 23:04:47,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:47,747 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2020-10-25 23:04:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:47,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 23:04:47,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:47,750 INFO L225 Difference]: With dead ends: 340 [2020-10-25 23:04:47,750 INFO L226 Difference]: Without dead ends: 198 [2020-10-25 23:04:47,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:47,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-25 23:04:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-10-25 23:04:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-25 23:04:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2020-10-25 23:04:47,776 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2020-10-25 23:04:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:47,777 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2020-10-25 23:04:47,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2020-10-25 23:04:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:04:47,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:47,781 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:47,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:04:47,781 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:47,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2020-10-25 23:04:47,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:47,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055326537] [2020-10-25 23:04:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:47,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055326537] [2020-10-25 23:04:47,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:47,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-25 23:04:47,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388763565] [2020-10-25 23:04:47,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:04:47,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:47,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:04:47,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:04:47,908 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 8 states. [2020-10-25 23:04:48,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:48,406 INFO L93 Difference]: Finished difference Result 764 states and 992 transitions. [2020-10-25 23:04:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-25 23:04:48,413 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-10-25 23:04:48,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:48,417 INFO L225 Difference]: With dead ends: 764 [2020-10-25 23:04:48,418 INFO L226 Difference]: Without dead ends: 572 [2020-10-25 23:04:48,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2020-10-25 23:04:48,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-25 23:04:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 198. [2020-10-25 23:04:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-25 23:04:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2020-10-25 23:04:48,444 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2020-10-25 23:04:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:48,444 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2020-10-25 23:04:48,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:04:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2020-10-25 23:04:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-25 23:04:48,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:48,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:48,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:04:48,452 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:48,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:48,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1755761376, now seen corresponding path program 1 times [2020-10-25 23:04:48,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:48,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892785221] [2020-10-25 23:04:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 23:04:48,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892785221] [2020-10-25 23:04:48,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:48,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-25 23:04:48,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006297260] [2020-10-25 23:04:48,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:04:48,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:48,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:04:48,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:04:48,558 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 8 states. [2020-10-25 23:04:49,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:49,024 INFO L93 Difference]: Finished difference Result 518 states and 667 transitions. [2020-10-25 23:04:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-25 23:04:49,025 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-25 23:04:49,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:49,027 INFO L225 Difference]: With dead ends: 518 [2020-10-25 23:04:49,027 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:49,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-25 23:04:49,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:49,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-25 23:04:49,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:49,029 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:49,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:04:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:49,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:49,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:04:49,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:49,266 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-10-25 23:04:49,428 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 67 [2020-10-25 23:04:49,677 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 97 [2020-10-25 23:04:49,925 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 16 [2020-10-25 23:04:50,190 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-10-25 23:04:50,333 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 12 [2020-10-25 23:04:50,478 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 12 [2020-10-25 23:04:50,732 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2020-10-25 23:04:51,223 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 21 [2020-10-25 23:04:51,574 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2020-10-25 23:04:51,895 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2020-10-25 23:04:52,508 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 12 [2020-10-25 23:04:52,535 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:52,536 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:52,536 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:52,536 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:52,536 INFO L270 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2020-10-25 23:04:52,536 INFO L270 CegarLoopResult]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2020-10-25 23:04:52,537 INFO L270 CegarLoopResult]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2020-10-25 23:04:52,537 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-10-25 23:04:52,537 INFO L274 CegarLoopResult]: For program point L502(lines 502 506) no Hoare annotation was computed. [2020-10-25 23:04:52,537 INFO L274 CegarLoopResult]: For program point L502-3(lines 502 506) no Hoare annotation was computed. [2020-10-25 23:04:52,537 INFO L274 CegarLoopResult]: For program point L502-6(lines 502 506) no Hoare annotation was computed. [2020-10-25 23:04:52,537 INFO L270 CegarLoopResult]: At program point L337-2(lines 337 351) the Hoare annotation is: false [2020-10-25 23:04:52,537 INFO L274 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-10-25 23:04:52,537 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:52,538 INFO L274 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,538 INFO L274 CegarLoopResult]: For program point L307-2(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,538 INFO L274 CegarLoopResult]: For program point L307-3(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,538 INFO L274 CegarLoopResult]: For program point L307-5(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,538 INFO L274 CegarLoopResult]: For program point L307-6(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,539 INFO L274 CegarLoopResult]: For program point L307-8(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,539 INFO L274 CegarLoopResult]: For program point L307-9(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,539 INFO L274 CegarLoopResult]: For program point L307-11(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,539 INFO L274 CegarLoopResult]: For program point L307-12(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,539 INFO L274 CegarLoopResult]: For program point L307-14(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,540 INFO L274 CegarLoopResult]: For program point L307-15(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,540 INFO L274 CegarLoopResult]: For program point L307-17(lines 307 311) no Hoare annotation was computed. [2020-10-25 23:04:52,540 INFO L270 CegarLoopResult]: At program point L539(lines 534 542) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not .cse0) (not .cse2) .cse1 .cse3 .cse4 .cse5))) [2020-10-25 23:04:52,540 INFO L270 CegarLoopResult]: At program point L539-1(lines 534 542) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,541 INFO L270 CegarLoopResult]: At program point L539-2(lines 534 542) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) .cse1 (not .cse2) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-25 23:04:52,541 INFO L270 CegarLoopResult]: At program point L539-3(lines 534 542) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) .cse1 (not .cse2) .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:04:52,541 INFO L270 CegarLoopResult]: At program point L539-4(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,541 INFO L270 CegarLoopResult]: At program point L539-5(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,541 INFO L270 CegarLoopResult]: At program point L539-6(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,541 INFO L274 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-25 23:04:52,541 INFO L270 CegarLoopResult]: At program point L539-7(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,542 INFO L274 CegarLoopResult]: For program point L341-1(lines 130 136) no Hoare annotation was computed. [2020-10-25 23:04:52,542 INFO L270 CegarLoopResult]: At program point L539-8(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,542 INFO L270 CegarLoopResult]: At program point L539-9(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,542 INFO L270 CegarLoopResult]: At program point L539-10(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,542 INFO L270 CegarLoopResult]: At program point L539-11(lines 534 542) the Hoare annotation is: false [2020-10-25 23:04:52,542 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-25 23:04:52,542 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,542 INFO L274 CegarLoopResult]: For program point L477(lines 477 490) no Hoare annotation was computed. [2020-10-25 23:04:52,543 INFO L270 CegarLoopResult]: At program point L477-1(lines 1 954) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (not .cse2) .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5))) [2020-10-25 23:04:52,543 INFO L274 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-10-25 23:04:52,543 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 490) no Hoare annotation was computed. [2020-10-25 23:04:52,543 INFO L270 CegarLoopResult]: At program point L477-3(lines 1 954) the Hoare annotation is: false [2020-10-25 23:04:52,543 INFO L277 CegarLoopResult]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2020-10-25 23:04:52,543 INFO L274 CegarLoopResult]: For program point L477-4(lines 477 490) no Hoare annotation was computed. [2020-10-25 23:04:52,543 INFO L270 CegarLoopResult]: At program point L477-5(lines 1 954) the Hoare annotation is: false [2020-10-25 23:04:52,544 INFO L270 CegarLoopResult]: At program point L313(lines 298 316) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,544 INFO L270 CegarLoopResult]: At program point L313-1(lines 298 316) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,544 INFO L270 CegarLoopResult]: At program point L313-2(lines 298 316) the Hoare annotation is: false [2020-10-25 23:04:52,544 INFO L270 CegarLoopResult]: At program point L313-3(lines 298 316) the Hoare annotation is: false [2020-10-25 23:04:52,544 INFO L270 CegarLoopResult]: At program point L313-4(lines 298 316) the Hoare annotation is: false [2020-10-25 23:04:52,544 INFO L270 CegarLoopResult]: At program point L313-5(lines 298 316) the Hoare annotation is: false [2020-10-25 23:04:52,544 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-10-25 23:04:52,545 INFO L274 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-10-25 23:04:52,545 INFO L274 CegarLoopResult]: For program point L579-2(lines 579 585) no Hoare annotation was computed. [2020-10-25 23:04:52,545 INFO L274 CegarLoopResult]: For program point L579-3(lines 579 585) no Hoare annotation was computed. [2020-10-25 23:04:52,545 INFO L270 CegarLoopResult]: At program point L447(lines 1 954) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:04:52,545 INFO L274 CegarLoopResult]: For program point L579-4(lines 579 585) no Hoare annotation was computed. [2020-10-25 23:04:52,545 INFO L274 CegarLoopResult]: For program point L579-5(lines 579 585) no Hoare annotation was computed. [2020-10-25 23:04:52,545 INFO L270 CegarLoopResult]: At program point L249(lines 242 252) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not .cse0) (not .cse2) .cse1 .cse3 .cse4 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse5))) [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-1(lines 242 252) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-2(lines 242 252) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not .cse0) .cse1 (not .cse2) .cse3 .cse4 .cse5 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse6))) [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-3(lines 242 252) the Hoare annotation is: false [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-4(lines 242 252) the Hoare annotation is: false [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-5(lines 242 252) the Hoare annotation is: false [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-6(lines 242 252) the Hoare annotation is: false [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-7(lines 242 252) the Hoare annotation is: false [2020-10-25 23:04:52,546 INFO L270 CegarLoopResult]: At program point L249-8(lines 242 252) the Hoare annotation is: false [2020-10-25 23:04:52,547 INFO L274 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-10-25 23:04:52,547 INFO L274 CegarLoopResult]: For program point L481(lines 481 487) no Hoare annotation was computed. [2020-10-25 23:04:52,548 INFO L274 CegarLoopResult]: For program point L481-2(lines 481 487) no Hoare annotation was computed. [2020-10-25 23:04:52,548 INFO L274 CegarLoopResult]: For program point L481-4(lines 481 487) no Hoare annotation was computed. [2020-10-25 23:04:52,548 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:52,548 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-25 23:04:52,548 INFO L270 CegarLoopResult]: At program point L385(lines 381 387) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~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 23:04:52,549 INFO L270 CegarLoopResult]: At program point L584(lines 575 588) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,549 INFO L270 CegarLoopResult]: At program point L584-1(lines 575 588) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,549 INFO L270 CegarLoopResult]: At program point L584-2(lines 575 588) the Hoare annotation is: false [2020-10-25 23:04:52,549 INFO L270 CegarLoopResult]: At program point L584-3(lines 575 588) the Hoare annotation is: false [2020-10-25 23:04:52,549 INFO L270 CegarLoopResult]: At program point L584-4(lines 575 588) the Hoare annotation is: false [2020-10-25 23:04:52,550 INFO L270 CegarLoopResult]: At program point L584-5(lines 575 588) the Hoare annotation is: false [2020-10-25 23:04:52,550 INFO L274 CegarLoopResult]: For program point L188(lines 188 205) no Hoare annotation was computed. [2020-10-25 23:04:52,550 INFO L274 CegarLoopResult]: For program point L188-1(lines 188 205) no Hoare annotation was computed. [2020-10-25 23:04:52,550 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 205) no Hoare annotation was computed. [2020-10-25 23:04:52,550 INFO L277 CegarLoopResult]: At program point L420(lines 401 423) the Hoare annotation is: true [2020-10-25 23:04:52,551 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:52,551 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-25 23:04:52,551 INFO L270 CegarLoopResult]: At program point L455(lines 450 458) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,551 INFO L274 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:04:52,551 INFO L274 CegarLoopResult]: For program point L224-2(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:04:52,552 INFO L274 CegarLoopResult]: For program point L224-4(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:04:52,552 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-25 23:04:52,552 INFO L274 CegarLoopResult]: For program point L224-6(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:04:52,552 INFO L274 CegarLoopResult]: For program point L224-8(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:04:52,552 INFO L274 CegarLoopResult]: For program point L224-10(lines 224 230) no Hoare annotation was computed. [2020-10-25 23:04:52,552 INFO L270 CegarLoopResult]: At program point L258(lines 253 261) the Hoare annotation is: (and (not (= ~methaneLevelCritical~0 0)) (not (= 0 ~systemActive~0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,553 INFO L270 CegarLoopResult]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2020-10-25 23:04:52,553 INFO L274 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-10-25 23:04:52,553 INFO L270 CegarLoopResult]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2020-10-25 23:04:52,553 INFO L274 CegarLoopResult]: For program point L192-1(lines 192 200) no Hoare annotation was computed. [2020-10-25 23:04:52,553 INFO L274 CegarLoopResult]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2020-10-25 23:04:52,554 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:52,554 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-25 23:04:52,554 INFO L270 CegarLoopResult]: At program point L95-2(lines 130 136) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,554 INFO L274 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-10-25 23:04:52,554 INFO L274 CegarLoopResult]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2020-10-25 23:04:52,554 INFO L274 CegarLoopResult]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2020-10-25 23:04:52,555 INFO L274 CegarLoopResult]: For program point L162-3(lines 162 179) no Hoare annotation was computed. [2020-10-25 23:04:52,555 INFO L274 CegarLoopResult]: For program point L162-4(lines 162 179) no Hoare annotation was computed. [2020-10-25 23:04:52,555 INFO L274 CegarLoopResult]: For program point L162-5(lines 162 179) no Hoare annotation was computed. [2020-10-25 23:04:52,555 INFO L274 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-25 23:04:52,555 INFO L270 CegarLoopResult]: At program point L130(lines 129 148) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:52,556 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2020-10-25 23:04:52,556 INFO L270 CegarLoopResult]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2020-10-25 23:04:52,556 INFO L270 CegarLoopResult]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2020-10-25 23:04:52,556 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:52,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:52,557 INFO L274 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-10-25 23:04:52,557 INFO L274 CegarLoopResult]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2020-10-25 23:04:52,557 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-10-25 23:04:52,557 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:04:52,557 INFO L274 CegarLoopResult]: For program point L166-3(lines 166 174) no Hoare annotation was computed. [2020-10-25 23:04:52,558 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (not .cse2) .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5))) [2020-10-25 23:04:52,558 INFO L274 CegarLoopResult]: For program point L166-4(lines 166 174) no Hoare annotation was computed. [2020-10-25 23:04:52,558 INFO L274 CegarLoopResult]: For program point L166-5(lines 166 174) no Hoare annotation was computed. [2020-10-25 23:04:52,558 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-25 23:04:52,558 INFO L274 CegarLoopResult]: For program point L464-1(line 464) no Hoare annotation was computed. [2020-10-25 23:04:52,558 INFO L274 CegarLoopResult]: For program point L464-2(line 464) no Hoare annotation was computed. [2020-10-25 23:04:52,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:52 BoogieIcfgContainer [2020-10-25 23:04:52,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:52,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:52,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:52,591 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:52,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:45" (3/4) ... [2020-10-25 23:04:52,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:52,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:52,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:52,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:52,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:52,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:52,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:52,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:52,654 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:04:52,655 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-25 23:04:52,657 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:04:52,658 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:04:52,658 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,659 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:04:52,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:04:52,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:04:52,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-10-25 23:04:52,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:04:52,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-10-25 23:04:52,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:52,796 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:52,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:52,798 INFO L168 Benchmark]: Toolchain (without parser) took 8917.71 ms. Allocated memory was 54.5 MB in the beginning and 146.8 MB in the end (delta: 92.3 MB). Free memory was 36.7 MB in the beginning and 100.8 MB in the end (delta: -64.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,798 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:52,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.84 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 24.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.39 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 24.7 MB in the beginning and 50.5 MB in the end (delta: -25.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,799 INFO L168 Benchmark]: Boogie Preprocessor took 83.09 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 47.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,800 INFO L168 Benchmark]: RCFGBuilder took 1115.71 ms. Allocated memory is still 69.2 MB. Free memory was 47.6 MB in the beginning and 26.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,800 INFO L168 Benchmark]: TraceAbstraction took 6809.71 ms. Allocated memory was 69.2 MB in the beginning and 146.8 MB in the end (delta: 77.6 MB). Free memory was 26.0 MB in the beginning and 113.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,800 INFO L168 Benchmark]: Witness Printer took 205.07 ms. Allocated memory is still 146.8 MB. Free memory was 113.4 MB in the beginning and 100.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:52,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 565.84 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 24.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.39 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 24.7 MB in the beginning and 50.5 MB in the end (delta: -25.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.09 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 47.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1115.71 ms. Allocated memory is still 69.2 MB. Free memory was 47.6 MB in the beginning and 26.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6809.71 ms. Allocated memory was 69.2 MB in the beginning and 146.8 MB in the end (delta: 77.6 MB). Free memory was 26.0 MB in the beginning and 113.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. * Witness Printer took 205.07 ms. Allocated memory is still 146.8 MB. Free memory was 113.4 MB in the beginning and 100.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 132 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1281 SDtfs, 1862 SDslu, 2246 SDs, 0 SdLazy, 376 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, 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, 11 MinimizatonAttempts, 879 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 687 HoareAnnotationTreeSize, 55 FomulaSimplifications, 740687 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 74678 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 19621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...