./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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_spec1_product08.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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:20,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:20,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:20,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:20,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:20,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:20,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:20,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:20,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:20,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:20,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:20,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:20,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:20,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:20,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:20,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:20,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:20,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:20,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:20,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:20,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:20,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:20,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:20,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:20,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:20,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:20,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:20,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:20,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:20,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:20,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:20,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:20,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:20,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:20,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:20,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:20,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:20,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:20,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:20,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:20,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:20,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:20,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:20,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:20,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:20,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:20,942 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:20,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:20,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:20,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:20,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:20,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:20,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:20,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:20,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:20,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:20,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:20,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:20,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:20,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:20,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:20,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:20,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:20,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:20,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:20,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:20,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:20,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:20,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:20,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:20,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:20,950 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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2020-07-28 18:57:21,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:21,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:21,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:21,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:21,281 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:21,282 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-07-28 18:57:21,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b12a338f/b80f9c3b3ae84aef989a704966ff5feb/FLAG43d9f8998 [2020-07-28 18:57:21,762 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:21,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-07-28 18:57:21,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b12a338f/b80f9c3b3ae84aef989a704966ff5feb/FLAG43d9f8998 [2020-07-28 18:57:22,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b12a338f/b80f9c3b3ae84aef989a704966ff5feb [2020-07-28 18:57:22,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:22,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:22,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:22,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:22,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:22,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49008148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22, skipping insertion in model container [2020-07-28 18:57:22,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:22,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:22,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:22,616 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:22,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:22,794 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:22,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22 WrapperNode [2020-07-28 18:57:22,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:22,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:22,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:22,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:22,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:22,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:22,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:22,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:22,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (1/1) ... [2020-07-28 18:57:22,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:22,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:22,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:22,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:22,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (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 [2020-07-28 18:57:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:24,232 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:24,233 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 18:57:24,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:24 BoogieIcfgContainer [2020-07-28 18:57:24,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:24,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:24,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:24,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:24,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:22" (1/3) ... [2020-07-28 18:57:24,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4d7a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:24, skipping insertion in model container [2020-07-28 18:57:24,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:22" (2/3) ... [2020-07-28 18:57:24,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4d7a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:24, skipping insertion in model container [2020-07-28 18:57:24,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:24" (3/3) ... [2020-07-28 18:57:24,247 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-07-28 18:57:24,258 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:24,265 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:24,280 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:24,305 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:24,306 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:24,306 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:24,306 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:24,307 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:24,307 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:24,307 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:24,308 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-07-28 18:57:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:24,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:24,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:24,335 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:24,342 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2020-07-28 18:57:24,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:24,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65618874] [2020-07-28 18:57:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:24,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {74#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {74#true} is VALID [2020-07-28 18:57:24,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {74#true} havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {74#true} is VALID [2020-07-28 18:57:24,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {74#true} is VALID [2020-07-28 18:57:24,721 INFO L280 TraceCheckUtils]: 3: Hoare triple {74#true} main_#t~ret58 := valid_product_#res;assume -2147483648 <= main_#t~ret58 && main_#t~ret58 <= 2147483647;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; {74#true} is VALID [2020-07-28 18:57:24,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {74#true} assume 0 != main_~tmp~5; {74#true} is VALID [2020-07-28 18:57:24,723 INFO L280 TraceCheckUtils]: 5: Hoare triple {74#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {74#true} is VALID [2020-07-28 18:57:24,724 INFO L280 TraceCheckUtils]: 6: Hoare triple {74#true} assume false; {75#false} is VALID [2020-07-28 18:57:24,724 INFO L280 TraceCheckUtils]: 7: Hoare triple {75#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {75#false} is VALID [2020-07-28 18:57:24,725 INFO L280 TraceCheckUtils]: 8: Hoare triple {75#false} assume !(0 != ~pumpRunning~0); {75#false} is VALID [2020-07-28 18:57:24,726 INFO L280 TraceCheckUtils]: 9: Hoare triple {75#false} assume !(0 != ~systemActive~0); {75#false} is VALID [2020-07-28 18:57:24,727 INFO L280 TraceCheckUtils]: 10: Hoare triple {75#false} havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {75#false} is VALID [2020-07-28 18:57:24,727 INFO L280 TraceCheckUtils]: 11: Hoare triple {75#false} __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret59 && __utac_acc__Specification1_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; {75#false} is VALID [2020-07-28 18:57:24,728 INFO L280 TraceCheckUtils]: 12: Hoare triple {75#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {75#false} is VALID [2020-07-28 18:57:24,728 INFO L280 TraceCheckUtils]: 13: Hoare triple {75#false} __utac_acc__Specification1_spec__1_#t~ret60 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {75#false} is VALID [2020-07-28 18:57:24,728 INFO L280 TraceCheckUtils]: 14: Hoare triple {75#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {75#false} is VALID [2020-07-28 18:57:24,729 INFO L280 TraceCheckUtils]: 15: Hoare triple {75#false} assume !false; {75#false} is VALID [2020-07-28 18:57:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:24,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65618874] [2020-07-28 18:57:24,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:24,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:24,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228400825] [2020-07-28 18:57:24,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:24,747 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:24,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:24,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:24,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:24,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:24,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:24,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:24,811 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2020-07-28 18:57:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:25,023 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2020-07-28 18:57:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:25,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:25,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 18:57:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 18:57:25,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 203 transitions. [2020-07-28 18:57:25,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:25,357 INFO L225 Difference]: With dead ends: 136 [2020-07-28 18:57:25,360 INFO L226 Difference]: Without dead ends: 67 [2020-07-28 18:57:25,367 INFO L675 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 [2020-07-28 18:57:25,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-28 18:57:25,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-07-28 18:57:25,416 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:25,417 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:25,417 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:25,417 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:25,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:25,423 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 18:57:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 18:57:25,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:25,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:25,425 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:25,425 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:25,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:25,430 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 18:57:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 18:57:25,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:25,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:25,432 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:25,432 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 18:57:25,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-07-28 18:57:25,438 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-07-28 18:57:25,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:25,439 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-07-28 18:57:25,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 18:57:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:25,440 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:25,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:25,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:25,441 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:25,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:25,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2020-07-28 18:57:25,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:25,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419593652] [2020-07-28 18:57:25,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:25,608 INFO L280 TraceCheckUtils]: 0: Hoare triple {506#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {506#true} is VALID [2020-07-28 18:57:25,608 INFO L280 TraceCheckUtils]: 1: Hoare triple {506#true} havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {506#true} is VALID [2020-07-28 18:57:25,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {506#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {506#true} is VALID [2020-07-28 18:57:25,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {506#true} main_#t~ret58 := valid_product_#res;assume -2147483648 <= main_#t~ret58 && main_#t~ret58 <= 2147483647;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; {506#true} is VALID [2020-07-28 18:57:25,610 INFO L280 TraceCheckUtils]: 4: Hoare triple {506#true} assume 0 != main_~tmp~5; {506#true} is VALID [2020-07-28 18:57:25,611 INFO L280 TraceCheckUtils]: 5: Hoare triple {506#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:25,611 INFO L280 TraceCheckUtils]: 6: Hoare triple {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:25,612 INFO L280 TraceCheckUtils]: 7: Hoare triple {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {507#false} is VALID [2020-07-28 18:57:25,613 INFO L280 TraceCheckUtils]: 8: Hoare triple {507#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {507#false} is VALID [2020-07-28 18:57:25,613 INFO L280 TraceCheckUtils]: 9: Hoare triple {507#false} assume !(0 != ~pumpRunning~0); {507#false} is VALID [2020-07-28 18:57:25,613 INFO L280 TraceCheckUtils]: 10: Hoare triple {507#false} assume !(0 != ~systemActive~0); {507#false} is VALID [2020-07-28 18:57:25,614 INFO L280 TraceCheckUtils]: 11: Hoare triple {507#false} havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {507#false} is VALID [2020-07-28 18:57:25,614 INFO L280 TraceCheckUtils]: 12: Hoare triple {507#false} __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret59 && __utac_acc__Specification1_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; {507#false} is VALID [2020-07-28 18:57:25,614 INFO L280 TraceCheckUtils]: 13: Hoare triple {507#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {507#false} is VALID [2020-07-28 18:57:25,615 INFO L280 TraceCheckUtils]: 14: Hoare triple {507#false} __utac_acc__Specification1_spec__1_#t~ret60 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {507#false} is VALID [2020-07-28 18:57:25,615 INFO L280 TraceCheckUtils]: 15: Hoare triple {507#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {507#false} is VALID [2020-07-28 18:57:25,615 INFO L280 TraceCheckUtils]: 16: Hoare triple {507#false} assume !false; {507#false} is VALID [2020-07-28 18:57:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:25,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419593652] [2020-07-28 18:57:25,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:25,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:25,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674102962] [2020-07-28 18:57:25,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:25,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:25,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:25,648 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:25,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:25,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:25,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:25,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:25,649 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-07-28 18:57:25,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:25,857 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 18:57:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:25,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:25,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 18:57:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 18:57:25,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 93 transitions. [2020-07-28 18:57:25,990 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:25,991 INFO L225 Difference]: With dead ends: 67 [2020-07-28 18:57:25,991 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:57:25,993 INFO L675 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 [2020-07-28 18:57:25,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:57:26,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:57:26,008 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:26,008 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:26,009 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:26,009 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:26,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:26,011 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:57:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:26,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:26,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:26,012 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:26,013 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:26,015 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:57:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:26,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:26,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:26,016 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:26,016 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:57:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 18:57:26,018 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 18:57:26,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:26,019 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 18:57:26,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:26,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:26,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:26,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:26,021 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:26,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:26,021 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-07-28 18:57:26,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:26,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594691541] [2020-07-28 18:57:26,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:26,091 INFO L280 TraceCheckUtils]: 0: Hoare triple {721#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {721#true} is VALID [2020-07-28 18:57:26,092 INFO L280 TraceCheckUtils]: 1: Hoare triple {721#true} havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {721#true} is VALID [2020-07-28 18:57:26,092 INFO L280 TraceCheckUtils]: 2: Hoare triple {721#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {721#true} is VALID [2020-07-28 18:57:26,093 INFO L280 TraceCheckUtils]: 3: Hoare triple {721#true} main_#t~ret58 := valid_product_#res;assume -2147483648 <= main_#t~ret58 && main_#t~ret58 <= 2147483647;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; {721#true} is VALID [2020-07-28 18:57:26,093 INFO L280 TraceCheckUtils]: 4: Hoare triple {721#true} assume 0 != main_~tmp~5; {721#true} is VALID [2020-07-28 18:57:26,093 INFO L280 TraceCheckUtils]: 5: Hoare triple {721#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {721#true} is VALID [2020-07-28 18:57:26,094 INFO L280 TraceCheckUtils]: 6: Hoare triple {721#true} assume !false; {721#true} is VALID [2020-07-28 18:57:26,094 INFO L280 TraceCheckUtils]: 7: Hoare triple {721#true} assume test_~splverifierCounter~0 < 4; {721#true} is VALID [2020-07-28 18:57:26,094 INFO L280 TraceCheckUtils]: 8: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {721#true} is VALID [2020-07-28 18:57:26,095 INFO L280 TraceCheckUtils]: 9: Hoare triple {721#true} assume !(0 != test_~tmp~0); {721#true} is VALID [2020-07-28 18:57:26,095 INFO L280 TraceCheckUtils]: 10: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {721#true} is VALID [2020-07-28 18:57:26,095 INFO L280 TraceCheckUtils]: 11: Hoare triple {721#true} assume !(0 != test_~tmp___0~0); {721#true} is VALID [2020-07-28 18:57:26,096 INFO L280 TraceCheckUtils]: 12: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {721#true} is VALID [2020-07-28 18:57:26,097 INFO L280 TraceCheckUtils]: 13: Hoare triple {721#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {723#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:26,097 INFO L280 TraceCheckUtils]: 14: Hoare triple {723#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {723#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:26,098 INFO L280 TraceCheckUtils]: 15: Hoare triple {723#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {722#false} is VALID [2020-07-28 18:57:26,098 INFO L280 TraceCheckUtils]: 16: Hoare triple {722#false} havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {722#false} is VALID [2020-07-28 18:57:26,099 INFO L280 TraceCheckUtils]: 17: Hoare triple {722#false} __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret59 && __utac_acc__Specification1_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; {722#false} is VALID [2020-07-28 18:57:26,099 INFO L280 TraceCheckUtils]: 18: Hoare triple {722#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {722#false} is VALID [2020-07-28 18:57:26,099 INFO L280 TraceCheckUtils]: 19: Hoare triple {722#false} __utac_acc__Specification1_spec__1_#t~ret60 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {722#false} is VALID [2020-07-28 18:57:26,100 INFO L280 TraceCheckUtils]: 20: Hoare triple {722#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {722#false} is VALID [2020-07-28 18:57:26,100 INFO L280 TraceCheckUtils]: 21: Hoare triple {722#false} assume !false; {722#false} is VALID [2020-07-28 18:57:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:26,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594691541] [2020-07-28 18:57:26,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:26,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:26,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930313590] [2020-07-28 18:57:26,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:26,103 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:26,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:26,159 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:26,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:26,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:26,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:26,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:26,160 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 18:57:26,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:26,372 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-07-28 18:57:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:26,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2020-07-28 18:57:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2020-07-28 18:57:26,378 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 126 transitions. [2020-07-28 18:57:26,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:26,536 INFO L225 Difference]: With dead ends: 87 [2020-07-28 18:57:26,536 INFO L226 Difference]: Without dead ends: 60 [2020-07-28 18:57:26,536 INFO L675 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 [2020-07-28 18:57:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-28 18:57:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2020-07-28 18:57:26,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:26,590 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 56 states. [2020-07-28 18:57:26,590 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 56 states. [2020-07-28 18:57:26,590 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 56 states. [2020-07-28 18:57:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:26,593 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2020-07-28 18:57:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-07-28 18:57:26,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:26,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:26,594 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 60 states. [2020-07-28 18:57:26,594 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 60 states. [2020-07-28 18:57:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:26,598 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2020-07-28 18:57:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-07-28 18:57:26,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:26,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:26,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:26,599 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 18:57:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-07-28 18:57:26,602 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2020-07-28 18:57:26,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:26,602 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-07-28 18:57:26,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-07-28 18:57:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:26,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:26,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:26,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:26,605 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:26,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:26,605 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-07-28 18:57:26,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:26,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820094340] [2020-07-28 18:57:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:26,708 INFO L280 TraceCheckUtils]: 0: Hoare triple {1049#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,709 INFO L280 TraceCheckUtils]: 1: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,709 INFO L280 TraceCheckUtils]: 2: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,710 INFO L280 TraceCheckUtils]: 3: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} main_#t~ret58 := valid_product_#res;assume -2147483648 <= main_#t~ret58 && main_#t~ret58 <= 2147483647;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,710 INFO L280 TraceCheckUtils]: 4: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~5; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,711 INFO L280 TraceCheckUtils]: 5: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,716 INFO L280 TraceCheckUtils]: 6: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume !false; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,716 INFO L280 TraceCheckUtils]: 7: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~0); {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,718 INFO L280 TraceCheckUtils]: 10: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,719 INFO L280 TraceCheckUtils]: 11: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,719 INFO L280 TraceCheckUtils]: 12: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,720 INFO L280 TraceCheckUtils]: 13: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,722 INFO L280 TraceCheckUtils]: 14: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,723 INFO L280 TraceCheckUtils]: 15: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,723 INFO L280 TraceCheckUtils]: 16: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1051#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:26,724 INFO L280 TraceCheckUtils]: 17: Hoare triple {1051#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {1052#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:57:26,725 INFO L280 TraceCheckUtils]: 18: Hoare triple {1052#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret59 && __utac_acc__Specification1_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; {1053#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} is VALID [2020-07-28 18:57:26,726 INFO L280 TraceCheckUtils]: 19: Hoare triple {1053#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1050#false} is VALID [2020-07-28 18:57:26,726 INFO L280 TraceCheckUtils]: 20: Hoare triple {1050#false} __utac_acc__Specification1_spec__1_#t~ret60 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {1050#false} is VALID [2020-07-28 18:57:26,726 INFO L280 TraceCheckUtils]: 21: Hoare triple {1050#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {1050#false} is VALID [2020-07-28 18:57:26,726 INFO L280 TraceCheckUtils]: 22: Hoare triple {1050#false} assume !false; {1050#false} is VALID [2020-07-28 18:57:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:26,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820094340] [2020-07-28 18:57:26,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:26,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:26,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560633289] [2020-07-28 18:57:26,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:26,730 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:26,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:26,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:26,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:26,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:26,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:26,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:26,762 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2020-07-28 18:57:27,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:27,447 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2020-07-28 18:57:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:57:27,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:27,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 223 transitions. [2020-07-28 18:57:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 223 transitions. [2020-07-28 18:57:27,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 223 transitions. [2020-07-28 18:57:27,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 223 edges. 223 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:27,730 INFO L225 Difference]: With dead ends: 260 [2020-07-28 18:57:27,731 INFO L226 Difference]: Without dead ends: 210 [2020-07-28 18:57:27,732 INFO L675 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 [2020-07-28 18:57:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-28 18:57:27,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2020-07-28 18:57:27,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:27,828 INFO L82 GeneralOperation]: Start isEquivalent. First operand 210 states. Second operand 100 states. [2020-07-28 18:57:27,829 INFO L74 IsIncluded]: Start isIncluded. First operand 210 states. Second operand 100 states. [2020-07-28 18:57:27,829 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 100 states. [2020-07-28 18:57:27,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:27,836 INFO L93 Difference]: Finished difference Result 210 states and 318 transitions. [2020-07-28 18:57:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 318 transitions. [2020-07-28 18:57:27,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:27,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:27,844 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 210 states. [2020-07-28 18:57:27,844 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 210 states. [2020-07-28 18:57:27,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:27,852 INFO L93 Difference]: Finished difference Result 210 states and 318 transitions. [2020-07-28 18:57:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 318 transitions. [2020-07-28 18:57:27,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:27,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:27,854 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:27,854 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-28 18:57:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2020-07-28 18:57:27,858 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2020-07-28 18:57:27,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:27,858 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2020-07-28 18:57:27,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2020-07-28 18:57:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:57:27,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:27,859 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] [2020-07-28 18:57:27,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:27,860 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2020-07-28 18:57:27,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:27,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53262393] [2020-07-28 18:57:27,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:27,976 INFO L280 TraceCheckUtils]: 0: Hoare triple {2003#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,977 INFO L280 TraceCheckUtils]: 1: Hoare triple {2005#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,977 INFO L280 TraceCheckUtils]: 2: Hoare triple {2005#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,978 INFO L280 TraceCheckUtils]: 3: Hoare triple {2005#(= 0 ~pumpRunning~0)} main_#t~ret58 := valid_product_#res;assume -2147483648 <= main_#t~ret58 && main_#t~ret58 <= 2147483647;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,978 INFO L280 TraceCheckUtils]: 4: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,979 INFO L280 TraceCheckUtils]: 5: Hoare triple {2005#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,979 INFO L280 TraceCheckUtils]: 6: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume !false; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,980 INFO L280 TraceCheckUtils]: 7: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,980 INFO L280 TraceCheckUtils]: 8: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,981 INFO L280 TraceCheckUtils]: 9: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,982 INFO L280 TraceCheckUtils]: 10: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,982 INFO L280 TraceCheckUtils]: 11: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,984 INFO L280 TraceCheckUtils]: 12: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,986 INFO L280 TraceCheckUtils]: 13: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,987 INFO L280 TraceCheckUtils]: 14: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,988 INFO L280 TraceCheckUtils]: 15: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,989 INFO L280 TraceCheckUtils]: 16: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,990 INFO L280 TraceCheckUtils]: 17: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,991 INFO L280 TraceCheckUtils]: 18: Hoare triple {2005#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,992 INFO L280 TraceCheckUtils]: 19: Hoare triple {2005#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret59 && __utac_acc__Specification1_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; {2005#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:27,993 INFO L280 TraceCheckUtils]: 20: Hoare triple {2005#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2006#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:27,995 INFO L280 TraceCheckUtils]: 21: Hoare triple {2006#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret60 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {2007#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} is VALID [2020-07-28 18:57:27,996 INFO L280 TraceCheckUtils]: 22: Hoare triple {2007#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {2004#false} is VALID [2020-07-28 18:57:27,996 INFO L280 TraceCheckUtils]: 23: Hoare triple {2004#false} assume !false; {2004#false} is VALID [2020-07-28 18:57:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:27,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53262393] [2020-07-28 18:57:27,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:27,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:27,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867961632] [2020-07-28 18:57:27,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:57:27,999 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:27,999 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:28,033 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:28,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:28,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:28,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:28,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:28,034 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2020-07-28 18:57:28,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:28,611 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2020-07-28 18:57:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:28,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:57:28,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2020-07-28 18:57:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2020-07-28 18:57:28,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 136 transitions. [2020-07-28 18:57:28,797 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:28,797 INFO L225 Difference]: With dead ends: 296 [2020-07-28 18:57:28,797 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:28,799 INFO L675 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 [2020-07-28 18:57:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:28,800 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:28,800 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:28,800 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:28,800 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:28,801 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:28,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:28,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:28,802 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:28,802 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:28,802 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:28,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:28,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:28,803 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:28,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:28,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 18:57:28,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:28,804 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:28,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:28,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:28,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:57:28,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:29,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2020-07-28 18:57:29,071 INFO L268 CegarLoopResult]: For program point L845(lines 845 849) no Hoare annotation was computed. [2020-07-28 18:57:29,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:29,071 INFO L268 CegarLoopResult]: For program point L796(lines 796 809) no Hoare annotation was computed. [2020-07-28 18:57:29,071 INFO L264 CegarLoopResult]: At program point L796-1(lines 1 893) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,071 INFO L268 CegarLoopResult]: For program point L796-2(lines 796 809) no Hoare annotation was computed. [2020-07-28 18:57:29,072 INFO L264 CegarLoopResult]: At program point L796-3(lines 1 893) the Hoare annotation is: false [2020-07-28 18:57:29,072 INFO L268 CegarLoopResult]: For program point L796-4(lines 796 809) no Hoare annotation was computed. [2020-07-28 18:57:29,072 INFO L264 CegarLoopResult]: At program point L796-5(lines 1 893) the Hoare annotation is: false [2020-07-28 18:57:29,072 INFO L268 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2020-07-28 18:57:29,072 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,072 INFO L264 CegarLoopResult]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2020-07-28 18:57:29,072 INFO L264 CegarLoopResult]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2020-07-28 18:57:29,072 INFO L271 CegarLoopResult]: At program point L783(lines 764 786) the Hoare annotation is: true [2020-07-28 18:57:29,072 INFO L264 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: false [2020-07-28 18:57:29,073 INFO L268 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-07-28 18:57:29,073 INFO L268 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-07-28 18:57:29,073 INFO L268 CegarLoopResult]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2020-07-28 18:57:29,073 INFO L268 CegarLoopResult]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2020-07-28 18:57:29,073 INFO L268 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2020-07-28 18:57:29,073 INFO L264 CegarLoopResult]: At program point L751(lines 747 753) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:29,073 INFO L264 CegarLoopResult]: At program point L206(lines 199 209) the Hoare annotation is: false [2020-07-28 18:57:29,073 INFO L264 CegarLoopResult]: At program point L206-1(lines 199 209) the Hoare annotation is: false [2020-07-28 18:57:29,073 INFO L264 CegarLoopResult]: At program point L206-2(lines 199 209) the Hoare annotation is: false [2020-07-28 18:57:29,073 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:29,074 INFO L268 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-07-28 18:57:29,074 INFO L264 CegarLoopResult]: At program point L670(lines 1 893) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:29,074 INFO L264 CegarLoopResult]: At program point L703-2(lines 703 717) the Hoare annotation is: false [2020-07-28 18:57:29,074 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2020-07-28 18:57:29,074 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-28 18:57:29,074 INFO L268 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-07-28 18:57:29,074 INFO L268 CegarLoopResult]: For program point L687-2(line 687) no Hoare annotation was computed. [2020-07-28 18:57:29,074 INFO L268 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-07-28 18:57:29,075 INFO L264 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,075 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-07-28 18:57:29,075 INFO L268 CegarLoopResult]: For program point L259(lines 259 265) no Hoare annotation was computed. [2020-07-28 18:57:29,075 INFO L264 CegarLoopResult]: At program point L259-1(lines 259 265) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,075 INFO L268 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2020-07-28 18:57:29,075 INFO L264 CegarLoopResult]: At program point L94-1(lines 130 136) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,075 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:29,075 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-28 18:57:29,075 INFO L268 CegarLoopResult]: For program point L821-3(lines 821 825) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L821-6(lines 821 825) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L707-1(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-07-28 18:57:29,076 INFO L271 CegarLoopResult]: At program point L774-1(lines 774 781) the Hoare annotation is: true [2020-07-28 18:57:29,076 INFO L264 CegarLoopResult]: At program point L130(lines 129 148) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,077 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:57:29,077 INFO L264 CegarLoopResult]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2020-07-28 18:57:29,077 INFO L264 CegarLoopResult]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2020-07-28 18:57:29,077 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:29,077 INFO L264 CegarLoopResult]: At program point L858(lines 853 861) the Hoare annotation is: false [2020-07-28 18:57:29,077 INFO L264 CegarLoopResult]: At program point L858-1(lines 853 861) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2020-07-28 18:57:29,077 INFO L264 CegarLoopResult]: At program point L858-2(lines 853 861) the Hoare annotation is: false [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L858-3(lines 853 861) the Hoare annotation is: false [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L858-4(lines 853 861) the Hoare annotation is: false [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L858-5(lines 853 861) the Hoare annotation is: false [2020-07-28 18:57:29,078 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L215(lines 210 218) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L215-1(lines 210 218) the Hoare annotation is: false [2020-07-28 18:57:29,078 INFO L264 CegarLoopResult]: At program point L215-2(lines 210 218) the Hoare annotation is: false [2020-07-28 18:57:29,079 INFO L264 CegarLoopResult]: At program point L678(lines 673 681) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:29,079 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-07-28 18:57:29,079 INFO L268 CegarLoopResult]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2020-07-28 18:57:29,079 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-07-28 18:57:29,083 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:29,084 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:29,085 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 18:57:29,085 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 18:57:29,085 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 18:57:29,086 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 18:57:29,086 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:29,086 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:57:29,086 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L821-3 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L821-3 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2020-07-28 18:57:29,087 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:29,088 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L800-2 has no Hoare annotation [2020-07-28 18:57:29,089 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 18:57:29,090 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 18:57:29,090 WARN L170 areAnnotationChecker]: L800-2 has no Hoare annotation [2020-07-28 18:57:29,090 WARN L170 areAnnotationChecker]: L800-2 has no Hoare annotation [2020-07-28 18:57:29,090 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 18:57:29,090 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L687-1 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L687-1 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 18:57:29,091 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 18:57:29,092 WARN L170 areAnnotationChecker]: L259 has no Hoare annotation [2020-07-28 18:57:29,092 WARN L170 areAnnotationChecker]: L259 has no Hoare annotation [2020-07-28 18:57:29,092 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-28 18:57:29,092 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-28 18:57:29,092 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 18:57:29,093 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L821-6 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L821-6 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L162-2 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:57:29,094 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L162-2 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L162-2 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:57:29,095 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L796-4 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L687 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L687 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L800-4 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L800-4 has no Hoare annotation [2020-07-28 18:57:29,096 WARN L170 areAnnotationChecker]: L800-4 has no Hoare annotation [2020-07-28 18:57:29,097 WARN L170 areAnnotationChecker]: L687-2 has no Hoare annotation [2020-07-28 18:57:29,097 WARN L170 areAnnotationChecker]: L687-2 has no Hoare annotation [2020-07-28 18:57:29,097 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:29,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:29 BoogieIcfgContainer [2020-07-28 18:57:29,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:29,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:29,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:29,118 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:29,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:24" (3/4) ... [2020-07-28 18:57:29,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:29,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:29,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:29,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:29,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:29,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:29,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:29,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:29,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:57:29,234 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:29,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:29,237 INFO L168 Benchmark]: Toolchain (without parser) took 7127.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 950.8 MB in the beginning and 1.3 GB in the end (delta: -302.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:29,238 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:29,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:29,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.66 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:29,239 INFO L168 Benchmark]: Boogie Preprocessor took 54.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:29,239 INFO L168 Benchmark]: RCFGBuilder took 1307.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.3 MB in the end (delta: 139.7 MB). Peak memory consumption was 139.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:29,240 INFO L168 Benchmark]: TraceAbstraction took 4877.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 973.3 MB in the beginning and 1.3 GB in the end (delta: -289.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:29,240 INFO L168 Benchmark]: Witness Printer took 117.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:29,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.66 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1307.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.3 MB in the end (delta: 139.7 MB). Peak memory consumption was 139.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4877.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 973.3 MB in the beginning and 1.3 GB in the end (delta: -289.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 117.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: 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: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 673]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...