./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product30.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 57ef4714e94677ff3ffda9fa58ccb58875f35cc3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:23,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:23,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:23,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:23,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:23,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:23,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:23,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:23,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:23,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:23,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:23,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:23,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:23,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:23,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:23,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:23,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:23,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:23,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:23,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:23,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:23,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:23,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:23,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:23,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:23,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:23,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:23,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:23,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:23,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:23,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:23,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:23,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:23,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:23,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:23,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:23,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:23,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:23,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:23,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:23,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:23,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:23,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:23,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:23,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:23,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:23,776 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:23,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:23,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:23,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:23,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:23,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:23,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:23,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:23,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:23,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:23,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:23,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:23,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:23,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:23,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:23,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:23,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:23,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:23,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:23,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:23,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:23,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:23,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:23,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:23,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:23,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 57ef4714e94677ff3ffda9fa58ccb58875f35cc3 [2020-10-20 01:42:23,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:24,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:24,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:24,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:24,014 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:24,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2020-10-20 01:42:24,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad71e7638/606f1a941ae2444e89d3a9305c67f9ee/FLAGeb535d96b [2020-10-20 01:42:24,616 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:24,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2020-10-20 01:42:24,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad71e7638/606f1a941ae2444e89d3a9305c67f9ee/FLAGeb535d96b [2020-10-20 01:42:24,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad71e7638/606f1a941ae2444e89d3a9305c67f9ee [2020-10-20 01:42:24,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:24,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:24,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:24,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:24,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:24,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5e3ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:24, skipping insertion in model container [2020-10-20 01:42:24,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:24" (1/1) ... [2020-10-20 01:42:24,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:25,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:25,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:25,463 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:25,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:25,578 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:25,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25 WrapperNode [2020-10-20 01:42:25,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:25,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:25,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:25,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:25,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:25,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:25,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:25,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:25,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (1/1) ... [2020-10-20 01:42:25,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:25,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:25,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:25,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:25,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (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 [2020-10-20 01:42:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:26,753 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:26,754 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-20 01:42:26,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:26 BoogieIcfgContainer [2020-10-20 01:42:26,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:26,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:26,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:26,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:26,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:24" (1/3) ... [2020-10-20 01:42:26,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777d0536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:26, skipping insertion in model container [2020-10-20 01:42:26,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:25" (2/3) ... [2020-10-20 01:42:26,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777d0536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:26, skipping insertion in model container [2020-10-20 01:42:26,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:26" (3/3) ... [2020-10-20 01:42:26,766 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2020-10-20 01:42:26,778 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:26,785 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:26,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:26,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:26,825 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:26,825 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:26,825 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:26,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:26,826 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:26,826 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:26,837 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-10-20 01:42:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:26,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:26,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:26,866 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:26,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1503259986, now seen corresponding path program 1 times [2020-10-20 01:42:26,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:26,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118565721] [2020-10-20 01:42:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:27,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118565721] [2020-10-20 01:42:27,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:27,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:27,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611747068] [2020-10-20 01:42:27,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:27,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:27,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:27,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:27,213 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-10-20 01:42:27,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:27,284 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-10-20 01:42:27,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:27,286 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:27,307 INFO L225 Difference]: With dead ends: 214 [2020-10-20 01:42:27,308 INFO L226 Difference]: Without dead ends: 105 [2020-10-20 01:42:27,313 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 [2020-10-20 01:42:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-20 01:42:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-20 01:42:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-20 01:42:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-10-20 01:42:27,377 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-10-20 01:42:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:27,378 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-10-20 01:42:27,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-10-20 01:42:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:27,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:27,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:27,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:27,384 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:27,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:27,385 INFO L82 PathProgramCache]: Analyzing trace with hash 421347875, now seen corresponding path program 1 times [2020-10-20 01:42:27,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:27,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402012340] [2020-10-20 01:42:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:27,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402012340] [2020-10-20 01:42:27,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:27,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:27,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297782975] [2020-10-20 01:42:27,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:27,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:27,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:27,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:27,537 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2020-10-20 01:42:27,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:27,551 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-20 01:42:27,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:27,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:27,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:27,552 INFO L225 Difference]: With dead ends: 105 [2020-10-20 01:42:27,552 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:27,554 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 [2020-10-20 01:42:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:27,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-20 01:42:27,559 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-10-20 01:42:27,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:27,559 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-20 01:42:27,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-20 01:42:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:27,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:27,561 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] [2020-10-20 01:42:27,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:27,561 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:27,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2020-10-20 01:42:27,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:27,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576348177] [2020-10-20 01:42:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:27,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576348177] [2020-10-20 01:42:27,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:27,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:27,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596157161] [2020-10-20 01:42:27,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:27,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:27,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:27,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:27,648 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 5 states. [2020-10-20 01:42:27,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:27,722 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-10-20 01:42:27,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:27,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:27,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:27,724 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:42:27,724 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:42:27,725 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 [2020-10-20 01:42:27,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:42:27,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:42:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:42:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-10-20 01:42:27,730 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-10-20 01:42:27,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:27,730 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-10-20 01:42:27,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-10-20 01:42:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:27,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:27,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:27,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:27,732 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:27,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:27,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2020-10-20 01:42:27,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:27,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513875887] [2020-10-20 01:42:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:27,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513875887] [2020-10-20 01:42:27,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:27,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:27,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184221876] [2020-10-20 01:42:27,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:27,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:27,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:27,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:27,807 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-10-20 01:42:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:27,923 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:42:27,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:27,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:27,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:27,928 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:42:27,928 INFO L226 Difference]: Without dead ends: 169 [2020-10-20 01:42:27,929 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 [2020-10-20 01:42:27,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-20 01:42:27,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-10-20 01:42:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 01:42:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-10-20 01:42:27,946 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-10-20 01:42:27,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:27,946 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-10-20 01:42:27,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-10-20 01:42:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:27,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:27,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:27,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:27,951 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:27,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:27,951 INFO L82 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2020-10-20 01:42:27,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:27,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721668451] [2020-10-20 01:42:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:28,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721668451] [2020-10-20 01:42:28,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:28,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:28,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655498639] [2020-10-20 01:42:28,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:28,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:28,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:28,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:28,067 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-10-20 01:42:28,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:28,127 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-10-20 01:42:28,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:28,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:28,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:28,128 INFO L225 Difference]: With dead ends: 176 [2020-10-20 01:42:28,128 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:28,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:28,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:28,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 01:42:28,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:28,131 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:28,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:28,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:28,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:28,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:28,454 INFO L270 CegarLoopResult]: At program point L729(lines 729 735) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:28,455 INFO L270 CegarLoopResult]: At program point L729-1(lines 729 735) the Hoare annotation is: false [2020-10-20 01:42:28,455 INFO L270 CegarLoopResult]: At program point L729-2(lines 729 735) the Hoare annotation is: false [2020-10-20 01:42:28,455 INFO L270 CegarLoopResult]: At program point L597(lines 592 600) the Hoare annotation is: false [2020-10-20 01:42:28,455 INFO L270 CegarLoopResult]: At program point L597-1(lines 592 600) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,456 INFO L270 CegarLoopResult]: At program point L597-2(lines 592 600) the Hoare annotation is: false [2020-10-20 01:42:28,456 INFO L270 CegarLoopResult]: At program point L597-3(lines 592 600) the Hoare annotation is: false [2020-10-20 01:42:28,456 INFO L270 CegarLoopResult]: At program point L597-4(lines 592 600) the Hoare annotation is: false [2020-10-20 01:42:28,456 INFO L270 CegarLoopResult]: At program point L597-5(lines 592 600) the Hoare annotation is: false [2020-10-20 01:42:28,456 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:28,456 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:28,456 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:28,457 INFO L274 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-10-20 01:42:28,457 INFO L270 CegarLoopResult]: At program point L664-1(lines 664 670) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,457 INFO L270 CegarLoopResult]: At program point L433(lines 1 964) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:42:28,457 INFO L274 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-10-20 01:42:28,457 INFO L277 CegarLoopResult]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2020-10-20 01:42:28,457 INFO L274 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-2(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-3(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-5(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-6(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-8(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-9(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,458 INFO L274 CegarLoopResult]: For program point L899-11(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,459 INFO L274 CegarLoopResult]: For program point L899-12(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,459 INFO L274 CegarLoopResult]: For program point L899-14(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,459 INFO L274 CegarLoopResult]: For program point L899-15(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,459 INFO L274 CegarLoopResult]: For program point L899-17(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:42:28,459 INFO L270 CegarLoopResult]: At program point L933(lines 928 935) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,459 INFO L270 CegarLoopResult]: At program point L702(lines 653 703) the Hoare annotation is: false [2020-10-20 01:42:28,460 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:28,460 INFO L270 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: false [2020-10-20 01:42:28,460 INFO L270 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2020-10-20 01:42:28,460 INFO L274 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2020-10-20 01:42:28,460 INFO L270 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2020-10-20 01:42:28,460 INFO L270 CegarLoopResult]: At program point L638-3(lines 633 641) the Hoare annotation is: false [2020-10-20 01:42:28,461 INFO L270 CegarLoopResult]: At program point L638-4(lines 633 641) the Hoare annotation is: false [2020-10-20 01:42:28,461 INFO L270 CegarLoopResult]: At program point L638-5(lines 633 641) the Hoare annotation is: false [2020-10-20 01:42:28,461 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,461 INFO L270 CegarLoopResult]: At program point L905(lines 890 908) the Hoare annotation is: false [2020-10-20 01:42:28,461 INFO L270 CegarLoopResult]: At program point L905-1(lines 890 908) the Hoare annotation is: false [2020-10-20 01:42:28,461 INFO L270 CegarLoopResult]: At program point L905-2(lines 890 908) the Hoare annotation is: false [2020-10-20 01:42:28,462 INFO L270 CegarLoopResult]: At program point L905-3(lines 890 908) the Hoare annotation is: false [2020-10-20 01:42:28,462 INFO L270 CegarLoopResult]: At program point L905-4(lines 890 908) the Hoare annotation is: false [2020-10-20 01:42:28,462 INFO L270 CegarLoopResult]: At program point L905-5(lines 890 908) the Hoare annotation is: false [2020-10-20 01:42:28,463 INFO L274 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2020-10-20 01:42:28,463 INFO L270 CegarLoopResult]: At program point L674-1(lines 674 680) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,463 INFO L270 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,463 INFO L270 CegarLoopResult]: At program point L841(lines 834 844) the Hoare annotation is: false [2020-10-20 01:42:28,464 INFO L270 CegarLoopResult]: At program point L841-1(lines 834 844) the Hoare annotation is: false [2020-10-20 01:42:28,464 INFO L270 CegarLoopResult]: At program point L841-2(lines 834 844) the Hoare annotation is: false [2020-10-20 01:42:28,464 INFO L277 CegarLoopResult]: At program point L544(lines 525 547) the Hoare annotation is: true [2020-10-20 01:42:28,464 INFO L274 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2020-10-20 01:42:28,464 INFO L270 CegarLoopResult]: At program point L944-1(lines 1 964) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,465 INFO L274 CegarLoopResult]: For program point L944-2(lines 944 961) no Hoare annotation was computed. [2020-10-20 01:42:28,465 INFO L270 CegarLoopResult]: At program point L944-3(lines 1 964) the Hoare annotation is: false [2020-10-20 01:42:28,465 INFO L274 CegarLoopResult]: For program point L944-4(lines 944 961) no Hoare annotation was computed. [2020-10-20 01:42:28,465 INFO L270 CegarLoopResult]: At program point L944-5(lines 1 964) the Hoare annotation is: false [2020-10-20 01:42:28,466 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:28,466 INFO L274 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-10-20 01:42:28,466 INFO L274 CegarLoopResult]: For program point L780-1(lines 780 797) no Hoare annotation was computed. [2020-10-20 01:42:28,466 INFO L274 CegarLoopResult]: For program point L780-2(lines 780 797) no Hoare annotation was computed. [2020-10-20 01:42:28,466 INFO L274 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-10-20 01:42:28,467 INFO L274 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2020-10-20 01:42:28,467 INFO L274 CegarLoopResult]: For program point L948-2(lines 948 958) no Hoare annotation was computed. [2020-10-20 01:42:28,467 INFO L274 CegarLoopResult]: For program point L948-4(lines 948 958) no Hoare annotation was computed. [2020-10-20 01:42:28,467 INFO L274 CegarLoopResult]: For program point L684(lines 684 697) no Hoare annotation was computed. [2020-10-20 01:42:28,467 INFO L274 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:42:28,467 INFO L274 CegarLoopResult]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:42:28,468 INFO L270 CegarLoopResult]: At program point L850(lines 845 853) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,468 INFO L270 CegarLoopResult]: At program point L850-1(lines 845 853) the Hoare annotation is: false [2020-10-20 01:42:28,468 INFO L274 CegarLoopResult]: For program point L949-4(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:42:28,468 INFO L274 CegarLoopResult]: For program point L784(lines 784 792) no Hoare annotation was computed. [2020-10-20 01:42:28,469 INFO L270 CegarLoopResult]: At program point L850-2(lines 845 853) the Hoare annotation is: false [2020-10-20 01:42:28,469 INFO L274 CegarLoopResult]: For program point L784-1(lines 784 792) no Hoare annotation was computed. [2020-10-20 01:42:28,469 INFO L274 CegarLoopResult]: For program point L784-2(lines 784 792) no Hoare annotation was computed. [2020-10-20 01:42:28,469 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:28,469 INFO L274 CegarLoopResult]: For program point L754(lines 754 771) no Hoare annotation was computed. [2020-10-20 01:42:28,470 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 771) no Hoare annotation was computed. [2020-10-20 01:42:28,470 INFO L274 CegarLoopResult]: For program point L754-2(lines 754 771) no Hoare annotation was computed. [2020-10-20 01:42:28,470 INFO L274 CegarLoopResult]: For program point L655(lines 654 701) no Hoare annotation was computed. [2020-10-20 01:42:28,470 INFO L274 CegarLoopResult]: For program point L754-3(lines 754 771) no Hoare annotation was computed. [2020-10-20 01:42:28,470 INFO L274 CegarLoopResult]: For program point L754-4(lines 754 771) no Hoare annotation was computed. [2020-10-20 01:42:28,471 INFO L274 CegarLoopResult]: For program point L754-5(lines 754 771) no Hoare annotation was computed. [2020-10-20 01:42:28,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:28,471 INFO L270 CegarLoopResult]: At program point L722(lines 721 740) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,471 INFO L274 CegarLoopResult]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2020-10-20 01:42:28,472 INFO L274 CegarLoopResult]: For program point L656(lines 656 660) no Hoare annotation was computed. [2020-10-20 01:42:28,472 INFO L270 CegarLoopResult]: At program point L722-2(lines 721 740) the Hoare annotation is: false [2020-10-20 01:42:28,472 INFO L270 CegarLoopResult]: At program point L722-3(lines 721 740) the Hoare annotation is: false [2020-10-20 01:42:28,472 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2020-10-20 01:42:28,472 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-20 01:42:28,473 INFO L274 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-10-20 01:42:28,473 INFO L274 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-10-20 01:42:28,473 INFO L274 CegarLoopResult]: For program point L922-2(line 922) no Hoare annotation was computed. [2020-10-20 01:42:28,473 INFO L274 CegarLoopResult]: For program point L758(lines 758 766) no Hoare annotation was computed. [2020-10-20 01:42:28,473 INFO L274 CegarLoopResult]: For program point L758-1(lines 758 766) no Hoare annotation was computed. [2020-10-20 01:42:28,474 INFO L274 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-10-20 01:42:28,474 INFO L274 CegarLoopResult]: For program point L758-2(lines 758 766) no Hoare annotation was computed. [2020-10-20 01:42:28,474 INFO L274 CegarLoopResult]: For program point L758-3(lines 758 766) no Hoare annotation was computed. [2020-10-20 01:42:28,474 INFO L270 CegarLoopResult]: At program point L692-2(lines 722 728) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:28,474 INFO L274 CegarLoopResult]: For program point L758-4(lines 758 766) no Hoare annotation was computed. [2020-10-20 01:42:28,475 INFO L274 CegarLoopResult]: For program point L758-5(lines 758 766) no Hoare annotation was computed. [2020-10-20 01:42:28,475 INFO L274 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-10-20 01:42:28,475 INFO L274 CegarLoopResult]: For program point L560-3(lines 560 564) no Hoare annotation was computed. [2020-10-20 01:42:28,475 INFO L274 CegarLoopResult]: For program point L560-6(lines 560 564) no Hoare annotation was computed. [2020-10-20 01:42:28,475 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:28,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:28,476 INFO L274 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-10-20 01:42:28,476 INFO L274 CegarLoopResult]: For program point L462-1(lines 722 728) no Hoare annotation was computed. [2020-10-20 01:42:28,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:28 BoogieIcfgContainer [2020-10-20 01:42:28,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:28,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:28,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:28,501 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:28,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:26" (3/4) ... [2020-10-20 01:42:28,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:28,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:28,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:28,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:28,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:28,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:28,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:28,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:28,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:28,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:28,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:28,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:28,656 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:28,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:28,659 INFO L168 Benchmark]: Toolchain (without parser) took 3730.00 ms. Allocated memory was 36.2 MB in the beginning and 62.9 MB in the end (delta: 26.7 MB). Free memory was 8.5 MB in the beginning and 11.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,660 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 35.7 MB. Free memory was 14.7 MB in the beginning and 14.6 MB in the end (delta: 47.3 kB). Peak memory consumption was 47.3 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.08 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 7.5 MB in the beginning and 28.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 46.1 MB. Free memory was 28.9 MB in the beginning and 25.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,661 INFO L168 Benchmark]: Boogie Preprocessor took 47.12 ms. Allocated memory is still 46.1 MB. Free memory was 25.1 MB in the beginning and 22.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,662 INFO L168 Benchmark]: RCFGBuilder took 1051.29 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 22.1 MB in the beginning and 15.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,662 INFO L168 Benchmark]: TraceAbstraction took 1742.77 ms. Allocated memory was 48.8 MB in the beginning and 62.9 MB in the end (delta: 14.2 MB). Free memory was 14.4 MB in the beginning and 25.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,663 INFO L168 Benchmark]: Witness Printer took 155.82 ms. Allocated memory is still 62.9 MB. Free memory was 25.4 MB in the beginning and 11.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:28,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 35.7 MB. Free memory was 14.7 MB in the beginning and 14.6 MB in the end (delta: 47.3 kB). Peak memory consumption was 47.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 645.08 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 7.5 MB in the beginning and 28.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 46.1 MB. Free memory was 28.9 MB in the beginning and 25.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.12 ms. Allocated memory is still 46.1 MB. Free memory was 25.1 MB in the beginning and 22.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1051.29 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 22.1 MB in the beginning and 15.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1742.77 ms. Allocated memory was 48.8 MB in the beginning and 62.9 MB in the end (delta: 14.2 MB). Free memory was 14.4 MB in the beginning and 25.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 14.3 GB. * Witness Printer took 155.82 ms. Allocated memory is still 62.9 MB. Free memory was 25.4 MB in the beginning and 11.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 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: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 507 SDslu, 367 SDs, 0 SdLazy, 65 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 230 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1908 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 70 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...