./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec4_product01.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 414a1cf94d85c55960b208d82c3570ad577d615a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:26:28,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:28,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:28,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:28,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:28,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:28,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:28,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:28,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:28,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:28,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:28,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:28,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:28,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:28,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:28,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:28,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:28,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:28,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:28,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:28,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:28,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:28,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:28,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:28,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:28,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:28,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:28,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:28,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:28,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:28,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:28,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:28,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:28,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:28,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:28,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:28,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:28,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:28,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:28,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:28,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:28,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:29,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:29,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:29,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:29,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:29,015 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:29,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:29,015 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:29,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:29,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:29,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:29,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:29,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:29,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:29,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:29,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:29,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:29,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:29,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:29,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:29,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:29,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:29,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:29,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:29,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:29,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:29,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:29,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:29,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:29,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:29,022 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(__VERIFIER_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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2019-11-28 17:26:29,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:29,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:29,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:29,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:29,359 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:29,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-11-28 17:26:29,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc5ae906/f19f36c2096649dea94a468fb3561ecf/FLAGdcf9f9a16 [2019-11-28 17:26:29,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:29,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-11-28 17:26:30,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc5ae906/f19f36c2096649dea94a468fb3561ecf/FLAGdcf9f9a16 [2019-11-28 17:26:30,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc5ae906/f19f36c2096649dea94a468fb3561ecf [2019-11-28 17:26:30,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:30,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:30,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:30,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:30,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:30,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21aba202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30, skipping insertion in model container [2019-11-28 17:26:30,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:30,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:30,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:30,749 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:30,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:30,864 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:30,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30 WrapperNode [2019-11-28 17:26:30,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:30,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:30,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:30,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:30,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:30,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:30,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:30,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:30,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (1/1) ... [2019-11-28 17:26:30,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:30,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:30,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:30,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:30,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (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 [2019-11-28 17:26:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:31,671 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:31,671 INFO L287 CfgBuilder]: Removed 66 assume(true) statements. [2019-11-28 17:26:31,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:31 BoogieIcfgContainer [2019-11-28 17:26:31,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:31,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:31,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:31,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:31,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:30" (1/3) ... [2019-11-28 17:26:31,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cb32bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:31, skipping insertion in model container [2019-11-28 17:26:31,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:30" (2/3) ... [2019-11-28 17:26:31,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cb32bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:31, skipping insertion in model container [2019-11-28 17:26:31,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:31" (3/3) ... [2019-11-28 17:26:31,682 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2019-11-28 17:26:31,692 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:31,700 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:31,712 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:31,736 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:31,736 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:31,736 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:31,736 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:31,737 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:31,737 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:31,738 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:31,738 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-28 17:26:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:26:31,760 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:31,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:31,761 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:31,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:31,767 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-11-28 17:26:31,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:31,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614297751] [2019-11-28 17:26:31,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:32,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614297751] [2019-11-28 17:26:32,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:32,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:32,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825502508] [2019-11-28 17:26:32,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:32,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:32,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:32,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:32,028 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-28 17:26:32,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:32,052 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-11-28 17:26:32,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:32,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:26:32,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:32,064 INFO L225 Difference]: With dead ends: 108 [2019-11-28 17:26:32,064 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 17:26:32,068 INFO L630 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 [2019-11-28 17:26:32,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 17:26:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 17:26:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 17:26:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-11-28 17:26:32,109 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-11-28 17:26:32,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:32,110 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-11-28 17:26:32,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-11-28 17:26:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:26:32,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:32,111 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:32,112 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:32,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:32,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-11-28 17:26:32,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:32,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096702350] [2019-11-28 17:26:32,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:32,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:32,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096702350] [2019-11-28 17:26:32,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:32,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:32,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129380145] [2019-11-28 17:26:32,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:32,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:32,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:32,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:32,264 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-11-28 17:26:32,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:32,281 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-11-28 17:26:32,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:32,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:26:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:32,284 INFO L225 Difference]: With dead ends: 53 [2019-11-28 17:26:32,284 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 17:26:32,286 INFO L630 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 [2019-11-28 17:26:32,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 17:26:32,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 17:26:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 17:26:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-28 17:26:32,297 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-11-28 17:26:32,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:32,298 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-28 17:26:32,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-28 17:26:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:26:32,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:32,301 INFO L410 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] [2019-11-28 17:26:32,302 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:32,302 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-11-28 17:26:32,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:32,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949971977] [2019-11-28 17:26:32,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:32,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949971977] [2019-11-28 17:26:32,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:32,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:32,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055652862] [2019-11-28 17:26:32,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:32,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:32,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:32,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:32,437 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-11-28 17:26:32,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:32,718 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-11-28 17:26:32,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:26:32,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:26:32,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:32,724 INFO L225 Difference]: With dead ends: 142 [2019-11-28 17:26:32,726 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 17:26:32,727 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-28 17:26:32,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 17:26:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-11-28 17:26:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 17:26:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2019-11-28 17:26:32,742 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2019-11-28 17:26:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:32,742 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2019-11-28 17:26:32,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2019-11-28 17:26:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 17:26:32,745 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:32,745 INFO L410 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] [2019-11-28 17:26:32,746 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2019-11-28 17:26:32,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:32,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087436817] [2019-11-28 17:26:32,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:32,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087436817] [2019-11-28 17:26:32,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:32,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:32,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86678779] [2019-11-28 17:26:32,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:32,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:32,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:32,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:32,873 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 5 states. [2019-11-28 17:26:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:32,951 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2019-11-28 17:26:32,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:32,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 17:26:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:32,953 INFO L225 Difference]: With dead ends: 163 [2019-11-28 17:26:32,953 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:32,955 INFO L630 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 [2019-11-28 17:26:32,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:32,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:32,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-28 17:26:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:32,957 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:32,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:32,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:32,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:33,115 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:26:33,115 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:33,116 INFO L242 CegarLoopResult]: At program point L202(lines 201 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,116 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 208) no Hoare annotation was computed. [2019-11-28 17:26:33,116 INFO L242 CegarLoopResult]: At program point L202-2(lines 201 220) the Hoare annotation is: false [2019-11-28 17:26:33,116 INFO L246 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-11-28 17:26:33,116 INFO L242 CegarLoopResult]: At program point L202-3(lines 201 220) the Hoare annotation is: false [2019-11-28 17:26:33,116 INFO L246 CegarLoopResult]: For program point L103-1(lines 202 208) no Hoare annotation was computed. [2019-11-28 17:26:33,117 INFO L246 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-11-28 17:26:33,117 INFO L242 CegarLoopResult]: At program point L74(lines 1 838) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 17:26:33,117 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-11-28 17:26:33,118 INFO L242 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,118 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:33,119 INFO L246 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2019-11-28 17:26:33,119 INFO L249 CegarLoopResult]: At program point L174-1(lines 174 181) the Hoare annotation is: true [2019-11-28 17:26:33,119 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:26:33,119 INFO L246 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-11-28 17:26:33,120 INFO L242 CegarLoopResult]: At program point L456-1(lines 1 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,120 INFO L246 CegarLoopResult]: For program point L456-2(lines 456 469) no Hoare annotation was computed. [2019-11-28 17:26:33,120 INFO L242 CegarLoopResult]: At program point L456-3(lines 1 838) the Hoare annotation is: false [2019-11-28 17:26:33,121 INFO L246 CegarLoopResult]: For program point L456-4(lines 456 469) no Hoare annotation was computed. [2019-11-28 17:26:33,121 INFO L242 CegarLoopResult]: At program point L456-5(lines 1 838) the Hoare annotation is: false [2019-11-28 17:26:33,122 INFO L246 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2019-11-28 17:26:33,122 INFO L246 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2019-11-28 17:26:33,122 INFO L242 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,122 INFO L242 CegarLoopResult]: At program point L209-1(lines 209 215) the Hoare annotation is: false [2019-11-28 17:26:33,123 INFO L246 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2019-11-28 17:26:33,123 INFO L242 CegarLoopResult]: At program point L209-2(lines 209 215) the Hoare annotation is: false [2019-11-28 17:26:33,123 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 17:26:33,123 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 17:26:33,124 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 17:26:33,124 INFO L242 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: false [2019-11-28 17:26:33,124 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:33,124 INFO L246 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2019-11-28 17:26:33,125 INFO L242 CegarLoopResult]: At program point L261(lines 256 264) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,125 INFO L242 CegarLoopResult]: At program point L261-1(lines 256 264) the Hoare annotation is: false [2019-11-28 17:26:33,125 INFO L242 CegarLoopResult]: At program point L261-2(lines 256 264) the Hoare annotation is: false [2019-11-28 17:26:33,126 INFO L242 CegarLoopResult]: At program point L443(lines 438 446) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,126 INFO L242 CegarLoopResult]: At program point L443-1(lines 438 446) the Hoare annotation is: false [2019-11-28 17:26:33,126 INFO L242 CegarLoopResult]: At program point L443-2(lines 438 446) the Hoare annotation is: false [2019-11-28 17:26:33,126 INFO L246 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-11-28 17:26:33,127 INFO L246 CegarLoopResult]: For program point L460-2(lines 460 466) no Hoare annotation was computed. [2019-11-28 17:26:33,127 INFO L246 CegarLoopResult]: For program point L460-4(lines 460 466) no Hoare annotation was computed. [2019-11-28 17:26:33,127 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:33,127 INFO L246 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2019-11-28 17:26:33,128 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:26:33,128 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 17:26:33,128 INFO L242 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-11-28 17:26:33,128 INFO L246 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-11-28 17:26:33,129 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 17:26:33,129 INFO L246 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-11-28 17:26:33,129 INFO L246 CegarLoopResult]: For program point L348-2(lines 202 208) no Hoare annotation was computed. [2019-11-28 17:26:33,129 INFO L249 CegarLoopResult]: At program point L183(lines 164 186) the Hoare annotation is: true [2019-11-28 17:26:33,130 INFO L242 CegarLoopResult]: At program point L150(lines 146 152) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 17:26:33,130 INFO L246 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2019-11-28 17:26:33,130 INFO L246 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-11-28 17:26:33,130 INFO L242 CegarLoopResult]: At program point L332-1(lines 332 338) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:33,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:33 BoogieIcfgContainer [2019-11-28 17:26:33,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:33,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:33,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:33,159 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:33,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:31" (3/4) ... [2019-11-28 17:26:33,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:33,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:33,184 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:33,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:33,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:33,186 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:33,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:33,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:33,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:33,284 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:33,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:33,287 INFO L168 Benchmark]: Toolchain (without parser) took 3056.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 948.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,287 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:33,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,289 INFO L168 Benchmark]: Boogie Preprocessor took 34.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,289 INFO L168 Benchmark]: RCFGBuilder took 695.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,290 INFO L168 Benchmark]: TraceAbstraction took 1483.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,290 INFO L168 Benchmark]: Witness Printer took 126.63 ms. Allocated memory is still 1.2 GB. Free memory was 954.7 MB in the beginning and 948.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:33,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 628.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 695.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1483.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. * Witness Printer took 126.63 ms. Allocated memory is still 1.2 GB. Free memory was 954.7 MB in the beginning and 948.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 213 SDtfs, 279 SDslu, 308 SDs, 0 SdLazy, 86 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 4 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 99 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1205 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...