./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product47.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_spec3_product47.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 8425c566d51ac72c4c499354b129f4f120e9c3b0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:50,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:50,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:50,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:50,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:50,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:50,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:50,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:50,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:50,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:50,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:50,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:50,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:50,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:50,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:50,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:50,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:50,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:50,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:50,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:50,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:50,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:50,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:50,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:50,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:50,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:50,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:50,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:50,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:50,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:50,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:50,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:50,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:50,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:50,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:50,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:50,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:50,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:50,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:50,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:50,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:50,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:50,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:50,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:50,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:50,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:50,731 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:50,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:50,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:50,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:50,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:50,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:50,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:50,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:50,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:50,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:50,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:50,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:50,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:50,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:50,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:50,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:50,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:50,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:50,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:50,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:50,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:50,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:50,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:50,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:50,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:50,738 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 -> 8425c566d51ac72c4c499354b129f4f120e9c3b0 [2020-07-28 19:01:51,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:51,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:51,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:51,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:51,102 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:51,103 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2020-07-28 19:01:51,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157eebf1b/1eb608d335284454ac90897bac6826e9/FLAG3737aada2 [2020-07-28 19:01:51,722 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:51,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2020-07-28 19:01:51,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157eebf1b/1eb608d335284454ac90897bac6826e9/FLAG3737aada2 [2020-07-28 19:01:52,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157eebf1b/1eb608d335284454ac90897bac6826e9 [2020-07-28 19:01:52,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:52,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:52,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:52,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:52,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:52,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79043f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52, skipping insertion in model container [2020-07-28 19:01:52,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:52,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:52,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:52,723 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:52,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:52,842 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:52,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52 WrapperNode [2020-07-28 19:01:52,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:52,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:52,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:52,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:52,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:52,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:52,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:52,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:52,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:52,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:53,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:53,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:53,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (1/1) ... [2020-07-28 19:01:53,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:53,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:53,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:53,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:53,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (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 19:01:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:54,888 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:54,889 INFO L295 CfgBuilder]: Removed 202 assume(true) statements. [2020-07-28 19:01:54,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:54 BoogieIcfgContainer [2020-07-28 19:01:54,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:54,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:54,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:54,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:54,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:52" (1/3) ... [2020-07-28 19:01:54,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a069b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:54, skipping insertion in model container [2020-07-28 19:01:54,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:52" (2/3) ... [2020-07-28 19:01:54,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a069b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:54, skipping insertion in model container [2020-07-28 19:01:54,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:54" (3/3) ... [2020-07-28 19:01:54,904 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product47.cil.c [2020-07-28 19:01:54,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:54,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:54,935 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:54,961 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:54,961 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:54,961 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:54,961 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:54,962 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:54,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:54,965 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:54,965 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-28 19:01:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:55,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:55,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:55,007 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:55,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:55,013 INFO L82 PathProgramCache]: Analyzing trace with hash 301971860, now seen corresponding path program 1 times [2020-07-28 19:01:55,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:55,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813624476] [2020-07-28 19:01:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:55,309 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {140#true} is VALID [2020-07-28 19:01:55,309 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {140#true} is VALID [2020-07-28 19:01:55,310 INFO L280 TraceCheckUtils]: 2: Hoare triple {140#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {140#true} is VALID [2020-07-28 19:01:55,310 INFO L280 TraceCheckUtils]: 3: Hoare triple {140#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {140#true} is VALID [2020-07-28 19:01:55,311 INFO L280 TraceCheckUtils]: 4: Hoare triple {140#true} assume 0 != main_~tmp~0; {140#true} is VALID [2020-07-28 19:01:55,311 INFO L280 TraceCheckUtils]: 5: Hoare triple {140#true} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {140#true} is VALID [2020-07-28 19:01:55,312 INFO L280 TraceCheckUtils]: 6: Hoare triple {140#true} assume false; {141#false} is VALID [2020-07-28 19:01:55,313 INFO L280 TraceCheckUtils]: 7: Hoare triple {141#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {141#false} is VALID [2020-07-28 19:01:55,313 INFO L280 TraceCheckUtils]: 8: Hoare triple {141#false} assume !(0 != ~pumpRunning~0); {141#false} is VALID [2020-07-28 19:01:55,314 INFO L280 TraceCheckUtils]: 9: Hoare triple {141#false} assume !(0 != ~systemActive~0); {141#false} is VALID [2020-07-28 19:01:55,314 INFO L280 TraceCheckUtils]: 10: Hoare triple {141#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {141#false} is VALID [2020-07-28 19:01:55,314 INFO L280 TraceCheckUtils]: 11: Hoare triple {141#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {141#false} is VALID [2020-07-28 19:01:55,315 INFO L280 TraceCheckUtils]: 12: Hoare triple {141#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {141#false} is VALID [2020-07-28 19:01:55,315 INFO L280 TraceCheckUtils]: 13: Hoare triple {141#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {141#false} is VALID [2020-07-28 19:01:55,316 INFO L280 TraceCheckUtils]: 14: Hoare triple {141#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {141#false} is VALID [2020-07-28 19:01:55,316 INFO L280 TraceCheckUtils]: 15: Hoare triple {141#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {141#false} is VALID [2020-07-28 19:01:55,317 INFO L280 TraceCheckUtils]: 16: Hoare triple {141#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {141#false} is VALID [2020-07-28 19:01:55,317 INFO L280 TraceCheckUtils]: 17: Hoare triple {141#false} assume !false; {141#false} is VALID [2020-07-28 19:01:55,321 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 19:01:55,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813624476] [2020-07-28 19:01:55,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:55,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:55,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329919024] [2020-07-28 19:01:55,332 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:55,333 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:55,337 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:55,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:55,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:55,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:55,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:55,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:55,391 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-07-28 19:01:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:55,806 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-07-28 19:01:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:55,807 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:55,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:55,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2020-07-28 19:01:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2020-07-28 19:01:55,841 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 401 transitions. [2020-07-28 19:01:56,401 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 401 edges. 401 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:56,417 INFO L225 Difference]: With dead ends: 268 [2020-07-28 19:01:56,418 INFO L226 Difference]: Without dead ends: 133 [2020-07-28 19:01:56,422 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 19:01:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-28 19:01:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-28 19:01:56,498 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:56,499 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:56,499 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:56,500 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:56,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:56,522 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:01:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:01:56,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:56,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:56,525 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:56,525 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:56,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:56,544 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:01:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:01:56,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:56,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:56,548 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:56,549 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-28 19:01:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-07-28 19:01:56,557 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 18 [2020-07-28 19:01:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:56,557 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-07-28 19:01:56,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:01:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:56,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:56,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:56,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:56,568 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:56,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:56,569 INFO L82 PathProgramCache]: Analyzing trace with hash -609058893, now seen corresponding path program 1 times [2020-07-28 19:01:56,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:56,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350390417] [2020-07-28 19:01:56,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:56,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {983#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {983#true} is VALID [2020-07-28 19:01:56,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {983#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {983#true} is VALID [2020-07-28 19:01:56,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {983#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {983#true} is VALID [2020-07-28 19:01:56,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {983#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {983#true} is VALID [2020-07-28 19:01:56,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {983#true} assume 0 != main_~tmp~0; {983#true} is VALID [2020-07-28 19:01:56,730 INFO L280 TraceCheckUtils]: 5: Hoare triple {983#true} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:56,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:56,731 INFO L280 TraceCheckUtils]: 7: Hoare triple {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {984#false} is VALID [2020-07-28 19:01:56,732 INFO L280 TraceCheckUtils]: 8: Hoare triple {984#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {984#false} is VALID [2020-07-28 19:01:56,732 INFO L280 TraceCheckUtils]: 9: Hoare triple {984#false} assume !(0 != ~pumpRunning~0); {984#false} is VALID [2020-07-28 19:01:56,732 INFO L280 TraceCheckUtils]: 10: Hoare triple {984#false} assume !(0 != ~systemActive~0); {984#false} is VALID [2020-07-28 19:01:56,733 INFO L280 TraceCheckUtils]: 11: Hoare triple {984#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {984#false} is VALID [2020-07-28 19:01:56,733 INFO L280 TraceCheckUtils]: 12: Hoare triple {984#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {984#false} is VALID [2020-07-28 19:01:56,733 INFO L280 TraceCheckUtils]: 13: Hoare triple {984#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {984#false} is VALID [2020-07-28 19:01:56,734 INFO L280 TraceCheckUtils]: 14: Hoare triple {984#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {984#false} is VALID [2020-07-28 19:01:56,734 INFO L280 TraceCheckUtils]: 15: Hoare triple {984#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {984#false} is VALID [2020-07-28 19:01:56,734 INFO L280 TraceCheckUtils]: 16: Hoare triple {984#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {984#false} is VALID [2020-07-28 19:01:56,734 INFO L280 TraceCheckUtils]: 17: Hoare triple {984#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {984#false} is VALID [2020-07-28 19:01:56,735 INFO L280 TraceCheckUtils]: 18: Hoare triple {984#false} assume !false; {984#false} is VALID [2020-07-28 19:01:56,736 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 19:01:56,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350390417] [2020-07-28 19:01:56,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:56,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:56,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380569711] [2020-07-28 19:01:56,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:56,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:56,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:56,771 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:56,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:56,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:56,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:56,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:56,772 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-07-28 19:01:57,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:57,042 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:01:57,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:57,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:57,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:01:57,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:01:57,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2020-07-28 19:01:57,250 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:57,251 INFO L225 Difference]: With dead ends: 133 [2020-07-28 19:01:57,252 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 19:01:57,256 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 19:01:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 19:01:57,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 19:01:57,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:57,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:57,282 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:57,282 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:57,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:57,286 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2020-07-28 19:01:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:01:57,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:57,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:57,287 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:57,287 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:57,289 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2020-07-28 19:01:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:01:57,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:57,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:57,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:57,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 19:01:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-07-28 19:01:57,293 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-07-28 19:01:57,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:57,293 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-07-28 19:01:57,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:01:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:57,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:57,294 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 19:01:57,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:57,295 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:57,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1636802596, now seen corresponding path program 1 times [2020-07-28 19:01:57,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:57,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20677510] [2020-07-28 19:01:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:57,472 INFO L280 TraceCheckUtils]: 0: Hoare triple {1366#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1368#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:57,473 INFO L280 TraceCheckUtils]: 1: Hoare triple {1368#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1368#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:57,473 INFO L280 TraceCheckUtils]: 2: Hoare triple {1368#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1369#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:01:57,474 INFO L280 TraceCheckUtils]: 3: Hoare triple {1369#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1370#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-28 19:01:57,475 INFO L280 TraceCheckUtils]: 4: Hoare triple {1370#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,477 INFO L280 TraceCheckUtils]: 5: Hoare triple {1371#(not (= 0 ~systemActive~0))} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,477 INFO L280 TraceCheckUtils]: 6: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume !false; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,478 INFO L280 TraceCheckUtils]: 7: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,479 INFO L280 TraceCheckUtils]: 8: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp~4 := test_#t~nondet37;havoc test_#t~nondet37; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,480 INFO L280 TraceCheckUtils]: 9: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4); {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,481 INFO L280 TraceCheckUtils]: 10: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,482 INFO L280 TraceCheckUtils]: 11: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,483 INFO L280 TraceCheckUtils]: 12: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,484 INFO L280 TraceCheckUtils]: 13: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,485 INFO L280 TraceCheckUtils]: 14: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1371#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:57,487 INFO L280 TraceCheckUtils]: 15: Hoare triple {1371#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1367#false} is VALID [2020-07-28 19:01:57,488 INFO L280 TraceCheckUtils]: 16: Hoare triple {1367#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1367#false} is VALID [2020-07-28 19:01:57,488 INFO L280 TraceCheckUtils]: 17: Hoare triple {1367#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {1367#false} is VALID [2020-07-28 19:01:57,489 INFO L280 TraceCheckUtils]: 18: Hoare triple {1367#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1367#false} is VALID [2020-07-28 19:01:57,489 INFO L280 TraceCheckUtils]: 19: Hoare triple {1367#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {1367#false} is VALID [2020-07-28 19:01:57,489 INFO L280 TraceCheckUtils]: 20: Hoare triple {1367#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1367#false} is VALID [2020-07-28 19:01:57,489 INFO L280 TraceCheckUtils]: 21: Hoare triple {1367#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {1367#false} is VALID [2020-07-28 19:01:57,490 INFO L280 TraceCheckUtils]: 22: Hoare triple {1367#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1367#false} is VALID [2020-07-28 19:01:57,490 INFO L280 TraceCheckUtils]: 23: Hoare triple {1367#false} assume !false; {1367#false} is VALID [2020-07-28 19:01:57,492 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 19:01:57,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20677510] [2020-07-28 19:01:57,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:57,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:57,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252354460] [2020-07-28 19:01:57,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:57,494 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:57,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:01:57,530 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 19:01:57,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:01:57,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:57,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:01:57,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:01:57,532 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-07-28 19:01:58,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:58,294 INFO L93 Difference]: Finished difference Result 178 states and 262 transitions. [2020-07-28 19:01:58,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:01:58,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:58,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 262 transitions. [2020-07-28 19:01:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 262 transitions. [2020-07-28 19:01:58,305 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 262 transitions. [2020-07-28 19:01:58,633 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:58,639 INFO L225 Difference]: With dead ends: 178 [2020-07-28 19:01:58,639 INFO L226 Difference]: Without dead ends: 129 [2020-07-28 19:01:58,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:58,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-28 19:01:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 76. [2020-07-28 19:01:58,745 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:58,745 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand 76 states. [2020-07-28 19:01:58,745 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand 76 states. [2020-07-28 19:01:58,746 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 76 states. [2020-07-28 19:01:58,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:58,761 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-07-28 19:01:58,762 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-07-28 19:01:58,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:58,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:58,763 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 129 states. [2020-07-28 19:01:58,763 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 129 states. [2020-07-28 19:01:58,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:58,769 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-07-28 19:01:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-07-28 19:01:58,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:58,770 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:58,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:58,771 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-28 19:01:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 111 transitions. [2020-07-28 19:01:58,775 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 111 transitions. Word has length 24 [2020-07-28 19:01:58,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:58,775 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 111 transitions. [2020-07-28 19:01:58,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:01:58,776 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2020-07-28 19:01:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:58,777 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:58,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:58,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:58,778 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:58,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:58,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1444892134, now seen corresponding path program 1 times [2020-07-28 19:01:58,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:58,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394340951] [2020-07-28 19:01:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:58,916 INFO L280 TraceCheckUtils]: 0: Hoare triple {1995#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,918 INFO L280 TraceCheckUtils]: 1: Hoare triple {1997#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,919 INFO L280 TraceCheckUtils]: 2: Hoare triple {1997#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,921 INFO L280 TraceCheckUtils]: 3: Hoare triple {1997#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,921 INFO L280 TraceCheckUtils]: 4: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,922 INFO L280 TraceCheckUtils]: 5: Hoare triple {1997#(= 0 ~pumpRunning~0)} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,923 INFO L280 TraceCheckUtils]: 6: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume !false; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,924 INFO L280 TraceCheckUtils]: 7: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,924 INFO L280 TraceCheckUtils]: 8: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp~4 := test_#t~nondet37;havoc test_#t~nondet37; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,925 INFO L280 TraceCheckUtils]: 9: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,926 INFO L280 TraceCheckUtils]: 10: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,926 INFO L280 TraceCheckUtils]: 11: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,927 INFO L280 TraceCheckUtils]: 12: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,927 INFO L280 TraceCheckUtils]: 13: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,928 INFO L280 TraceCheckUtils]: 14: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,928 INFO L280 TraceCheckUtils]: 15: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret42, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,929 INFO L280 TraceCheckUtils]: 16: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret41, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {1997#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:58,929 INFO L280 TraceCheckUtils]: 17: Hoare triple {1997#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1996#false} is VALID [2020-07-28 19:01:58,930 INFO L280 TraceCheckUtils]: 18: Hoare triple {1996#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1996#false} is VALID [2020-07-28 19:01:58,930 INFO L280 TraceCheckUtils]: 19: Hoare triple {1996#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {1996#false} is VALID [2020-07-28 19:01:58,930 INFO L280 TraceCheckUtils]: 20: Hoare triple {1996#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1996#false} is VALID [2020-07-28 19:01:58,931 INFO L280 TraceCheckUtils]: 21: Hoare triple {1996#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {1996#false} is VALID [2020-07-28 19:01:58,931 INFO L280 TraceCheckUtils]: 22: Hoare triple {1996#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1996#false} is VALID [2020-07-28 19:01:58,931 INFO L280 TraceCheckUtils]: 23: Hoare triple {1996#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {1996#false} is VALID [2020-07-28 19:01:58,931 INFO L280 TraceCheckUtils]: 24: Hoare triple {1996#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1996#false} is VALID [2020-07-28 19:01:58,932 INFO L280 TraceCheckUtils]: 25: Hoare triple {1996#false} assume !false; {1996#false} is VALID [2020-07-28 19:01:58,933 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 19:01:58,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394340951] [2020-07-28 19:01:58,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:58,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:58,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912799465] [2020-07-28 19:01:58,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:01:58,935 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:58,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:58,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:58,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:58,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:58,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:58,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:58,975 INFO L87 Difference]: Start difference. First operand 76 states and 111 transitions. Second operand 3 states. [2020-07-28 19:01:59,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:59,279 INFO L93 Difference]: Finished difference Result 169 states and 249 transitions. [2020-07-28 19:01:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:59,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:01:59,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2020-07-28 19:01:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2020-07-28 19:01:59,286 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 187 transitions. [2020-07-28 19:01:59,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:59,491 INFO L225 Difference]: With dead ends: 169 [2020-07-28 19:01:59,491 INFO L226 Difference]: Without dead ends: 99 [2020-07-28 19:01:59,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-28 19:01:59,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2020-07-28 19:01:59,613 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:59,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 97 states. [2020-07-28 19:01:59,614 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 97 states. [2020-07-28 19:01:59,614 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 97 states. [2020-07-28 19:01:59,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:59,618 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-07-28 19:01:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2020-07-28 19:01:59,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:59,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:59,618 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 99 states. [2020-07-28 19:01:59,619 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 99 states. [2020-07-28 19:01:59,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:59,623 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-07-28 19:01:59,623 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2020-07-28 19:01:59,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:59,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:59,624 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:59,624 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:59,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-28 19:01:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2020-07-28 19:01:59,628 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 26 [2020-07-28 19:01:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:59,629 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2020-07-28 19:01:59,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2020-07-28 19:01:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:59,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:59,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:59,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:59,631 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:59,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:59,631 INFO L82 PathProgramCache]: Analyzing trace with hash 266687089, now seen corresponding path program 1 times [2020-07-28 19:01:59,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:59,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419394603] [2020-07-28 19:01:59,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:59,750 INFO L280 TraceCheckUtils]: 0: Hoare triple {2575#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {2577#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,753 INFO L280 TraceCheckUtils]: 2: Hoare triple {2577#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,754 INFO L280 TraceCheckUtils]: 3: Hoare triple {2577#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,755 INFO L280 TraceCheckUtils]: 4: Hoare triple {2577#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,755 INFO L280 TraceCheckUtils]: 5: Hoare triple {2577#(= 1 ~waterLevel~0)} havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,756 INFO L280 TraceCheckUtils]: 6: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !false; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,757 INFO L280 TraceCheckUtils]: 7: Hoare triple {2577#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,758 INFO L280 TraceCheckUtils]: 8: Hoare triple {2577#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp~4 := test_#t~nondet37;havoc test_#t~nondet37; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,758 INFO L280 TraceCheckUtils]: 9: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,759 INFO L280 TraceCheckUtils]: 10: Hoare triple {2577#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,760 INFO L280 TraceCheckUtils]: 11: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,761 INFO L280 TraceCheckUtils]: 12: Hoare triple {2577#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,762 INFO L280 TraceCheckUtils]: 13: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___1~0 := test_#t~nondet40;havoc test_#t~nondet40; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,763 INFO L280 TraceCheckUtils]: 14: Hoare triple {2577#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,764 INFO L280 TraceCheckUtils]: 15: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,765 INFO L280 TraceCheckUtils]: 16: Hoare triple {2577#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,766 INFO L280 TraceCheckUtils]: 17: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,767 INFO L280 TraceCheckUtils]: 18: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,768 INFO L280 TraceCheckUtils]: 19: Hoare triple {2577#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,769 INFO L280 TraceCheckUtils]: 20: Hoare triple {2577#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {2577#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:59,770 INFO L280 TraceCheckUtils]: 21: Hoare triple {2577#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {2578#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:59,771 INFO L280 TraceCheckUtils]: 22: Hoare triple {2578#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {2579#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} is VALID [2020-07-28 19:01:59,772 INFO L280 TraceCheckUtils]: 23: Hoare triple {2579#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {2576#false} is VALID [2020-07-28 19:01:59,773 INFO L280 TraceCheckUtils]: 24: Hoare triple {2576#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {2576#false} is VALID [2020-07-28 19:01:59,773 INFO L280 TraceCheckUtils]: 25: Hoare triple {2576#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {2576#false} is VALID [2020-07-28 19:01:59,773 INFO L280 TraceCheckUtils]: 26: Hoare triple {2576#false} assume !false; {2576#false} is VALID [2020-07-28 19:01:59,774 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 19:01:59,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419394603] [2020-07-28 19:01:59,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:59,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:59,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7399747] [2020-07-28 19:01:59,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:59,776 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:59,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:59,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:59,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:59,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:59,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:59,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:59,821 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand 5 states. [2020-07-28 19:02:01,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:01,051 INFO L93 Difference]: Finished difference Result 507 states and 739 transitions. [2020-07-28 19:02:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:02:01,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 405 transitions. [2020-07-28 19:02:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 405 transitions. [2020-07-28 19:02:01,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 405 transitions. [2020-07-28 19:02:01,504 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 405 edges. 405 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:01,522 INFO L225 Difference]: With dead ends: 507 [2020-07-28 19:02:01,523 INFO L226 Difference]: Without dead ends: 416 [2020-07-28 19:02:01,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-07-28 19:02:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 165. [2020-07-28 19:02:01,839 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:01,839 INFO L82 GeneralOperation]: Start isEquivalent. First operand 416 states. Second operand 165 states. [2020-07-28 19:02:01,839 INFO L74 IsIncluded]: Start isIncluded. First operand 416 states. Second operand 165 states. [2020-07-28 19:02:01,839 INFO L87 Difference]: Start difference. First operand 416 states. Second operand 165 states. [2020-07-28 19:02:01,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:01,857 INFO L93 Difference]: Finished difference Result 416 states and 589 transitions. [2020-07-28 19:02:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 589 transitions. [2020-07-28 19:02:01,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:01,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:01,859 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 416 states. [2020-07-28 19:02:01,859 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 416 states. [2020-07-28 19:02:01,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:01,877 INFO L93 Difference]: Finished difference Result 416 states and 589 transitions. [2020-07-28 19:02:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 589 transitions. [2020-07-28 19:02:01,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:01,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:01,879 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:01,879 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:01,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-28 19:02:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 230 transitions. [2020-07-28 19:02:01,885 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 230 transitions. Word has length 27 [2020-07-28 19:02:01,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:01,885 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 230 transitions. [2020-07-28 19:02:01,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 230 transitions. [2020-07-28 19:02:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:02:01,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:01,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:01,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:01,887 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:01,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:01,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1433576653, now seen corresponding path program 1 times [2020-07-28 19:02:01,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:01,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853876090] [2020-07-28 19:02:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:01,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:02,025 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:02,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:02:02,083 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:02:02,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:02:02,255 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:02,256 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:02,256 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-28 19:02:02,256 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 19:02:02,257 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:02:02,257 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:02:02,257 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2020-07-28 19:02:02,257 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 19:02:02,258 WARN L170 areAnnotationChecker]: L950-1 has no Hoare annotation [2020-07-28 19:02:02,258 WARN L170 areAnnotationChecker]: L950-1 has no Hoare annotation [2020-07-28 19:02:02,258 WARN L170 areAnnotationChecker]: L950-1 has no Hoare annotation [2020-07-28 19:02:02,258 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-28 19:02:02,259 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-28 19:02:02,259 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-28 19:02:02,259 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-28 19:02:02,259 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:02,259 WARN L170 areAnnotationChecker]: L637-1 has no Hoare annotation [2020-07-28 19:02:02,260 WARN L170 areAnnotationChecker]: L637-1 has no Hoare annotation [2020-07-28 19:02:02,260 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-28 19:02:02,260 WARN L170 areAnnotationChecker]: L847-3 has no Hoare annotation [2020-07-28 19:02:02,260 WARN L170 areAnnotationChecker]: L847-3 has no Hoare annotation [2020-07-28 19:02:02,261 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 19:02:02,261 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 19:02:02,261 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-28 19:02:02,261 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-28 19:02:02,262 WARN L170 areAnnotationChecker]: L695-1 has no Hoare annotation [2020-07-28 19:02:02,262 WARN L170 areAnnotationChecker]: L695-1 has no Hoare annotation [2020-07-28 19:02:02,262 WARN L170 areAnnotationChecker]: L644-1 has no Hoare annotation [2020-07-28 19:02:02,262 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:02:02,262 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:02:02,263 WARN L170 areAnnotationChecker]: L575-1 has no Hoare annotation [2020-07-28 19:02:02,263 WARN L170 areAnnotationChecker]: L884-4 has no Hoare annotation [2020-07-28 19:02:02,263 WARN L170 areAnnotationChecker]: L669-3 has no Hoare annotation [2020-07-28 19:02:02,263 WARN L170 areAnnotationChecker]: L669-3 has no Hoare annotation [2020-07-28 19:02:02,263 WARN L170 areAnnotationChecker]: L884-7 has no Hoare annotation [2020-07-28 19:02:02,264 WARN L170 areAnnotationChecker]: L585 has no Hoare annotation [2020-07-28 19:02:02,264 WARN L170 areAnnotationChecker]: L585 has no Hoare annotation [2020-07-28 19:02:02,264 WARN L170 areAnnotationChecker]: L756-3 has no Hoare annotation [2020-07-28 19:02:02,264 WARN L170 areAnnotationChecker]: L924-3 has no Hoare annotation [2020-07-28 19:02:02,264 WARN L170 areAnnotationChecker]: L924-3 has no Hoare annotation [2020-07-28 19:02:02,264 WARN L170 areAnnotationChecker]: L944-2 has no Hoare annotation [2020-07-28 19:02:02,265 WARN L170 areAnnotationChecker]: L944-2 has no Hoare annotation [2020-07-28 19:02:02,265 WARN L170 areAnnotationChecker]: L871 has no Hoare annotation [2020-07-28 19:02:02,265 WARN L170 areAnnotationChecker]: L871 has no Hoare annotation [2020-07-28 19:02:02,265 WARN L170 areAnnotationChecker]: L585-1 has no Hoare annotation [2020-07-28 19:02:02,265 WARN L170 areAnnotationChecker]: L699-1 has no Hoare annotation [2020-07-28 19:02:02,265 WARN L170 areAnnotationChecker]: L699-1 has no Hoare annotation [2020-07-28 19:02:02,266 WARN L170 areAnnotationChecker]: L929-3 has no Hoare annotation [2020-07-28 19:02:02,266 WARN L170 areAnnotationChecker]: L950-3 has no Hoare annotation [2020-07-28 19:02:02,266 WARN L170 areAnnotationChecker]: L916-1 has no Hoare annotation [2020-07-28 19:02:02,266 WARN L170 areAnnotationChecker]: L595 has no Hoare annotation [2020-07-28 19:02:02,266 WARN L170 areAnnotationChecker]: L595 has no Hoare annotation [2020-07-28 19:02:02,266 WARN L170 areAnnotationChecker]: L669-2 has no Hoare annotation [2020-07-28 19:02:02,267 WARN L170 areAnnotationChecker]: L669-2 has no Hoare annotation [2020-07-28 19:02:02,267 WARN L170 areAnnotationChecker]: L814-9 has no Hoare annotation [2020-07-28 19:02:02,267 WARN L170 areAnnotationChecker]: L814-9 has no Hoare annotation [2020-07-28 19:02:02,267 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-28 19:02:02,268 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-28 19:02:02,268 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-28 19:02:02,268 WARN L170 areAnnotationChecker]: L950-2 has no Hoare annotation [2020-07-28 19:02:02,268 WARN L170 areAnnotationChecker]: L950-2 has no Hoare annotation [2020-07-28 19:02:02,269 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-28 19:02:02,269 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-28 19:02:02,269 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 19:02:02,269 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 19:02:02,269 WARN L170 areAnnotationChecker]: L924-2 has no Hoare annotation [2020-07-28 19:02:02,270 WARN L170 areAnnotationChecker]: L924-2 has no Hoare annotation [2020-07-28 19:02:02,270 WARN L170 areAnnotationChecker]: L814-11 has no Hoare annotation [2020-07-28 19:02:02,270 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-28 19:02:02,270 WARN L170 areAnnotationChecker]: L765-1 has no Hoare annotation [2020-07-28 19:02:02,271 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:02:02,271 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:02:02,271 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 19:02:02,271 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 19:02:02,272 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:02:02,272 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:02:02,272 WARN L170 areAnnotationChecker]: L929-2 has no Hoare annotation [2020-07-28 19:02:02,272 WARN L170 areAnnotationChecker]: L820-3 has no Hoare annotation [2020-07-28 19:02:02,272 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:02:02,273 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:02:02,273 WARN L170 areAnnotationChecker]: L954-2 has no Hoare annotation [2020-07-28 19:02:02,273 WARN L170 areAnnotationChecker]: L954-2 has no Hoare annotation [2020-07-28 19:02:02,273 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-28 19:02:02,274 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-28 19:02:02,274 WARN L170 areAnnotationChecker]: L644 has no Hoare annotation [2020-07-28 19:02:02,274 WARN L170 areAnnotationChecker]: L828-1 has no Hoare annotation [2020-07-28 19:02:02,274 WARN L170 areAnnotationChecker]: L814-6 has no Hoare annotation [2020-07-28 19:02:02,275 WARN L170 areAnnotationChecker]: L814-6 has no Hoare annotation [2020-07-28 19:02:02,275 WARN L170 areAnnotationChecker]: L673-3 has no Hoare annotation [2020-07-28 19:02:02,275 WARN L170 areAnnotationChecker]: L673-3 has no Hoare annotation [2020-07-28 19:02:02,275 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 19:02:02,276 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 19:02:02,276 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:02:02,276 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:02:02,276 WARN L170 areAnnotationChecker]: L884 has no Hoare annotation [2020-07-28 19:02:02,276 WARN L170 areAnnotationChecker]: L669-1 has no Hoare annotation [2020-07-28 19:02:02,277 WARN L170 areAnnotationChecker]: L669-1 has no Hoare annotation [2020-07-28 19:02:02,277 WARN L170 areAnnotationChecker]: L884-3 has no Hoare annotation [2020-07-28 19:02:02,277 WARN L170 areAnnotationChecker]: L814-8 has no Hoare annotation [2020-07-28 19:02:02,277 WARN L170 areAnnotationChecker]: L884-6 has no Hoare annotation [2020-07-28 19:02:02,277 WARN L170 areAnnotationChecker]: L847-6 has no Hoare annotation [2020-07-28 19:02:02,277 WARN L170 areAnnotationChecker]: L847-6 has no Hoare annotation [2020-07-28 19:02:02,278 WARN L170 areAnnotationChecker]: L637-3 has no Hoare annotation [2020-07-28 19:02:02,278 WARN L170 areAnnotationChecker]: L637-3 has no Hoare annotation [2020-07-28 19:02:02,278 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-28 19:02:02,278 WARN L170 areAnnotationChecker]: L924-1 has no Hoare annotation [2020-07-28 19:02:02,278 WARN L170 areAnnotationChecker]: L924-1 has no Hoare annotation [2020-07-28 19:02:02,278 WARN L170 areAnnotationChecker]: L944 has no Hoare annotation [2020-07-28 19:02:02,279 WARN L170 areAnnotationChecker]: L944 has no Hoare annotation [2020-07-28 19:02:02,279 WARN L170 areAnnotationChecker]: L820-2 has no Hoare annotation [2020-07-28 19:02:02,279 WARN L170 areAnnotationChecker]: L756-5 has no Hoare annotation [2020-07-28 19:02:02,279 WARN L170 areAnnotationChecker]: L695-2 has no Hoare annotation [2020-07-28 19:02:02,279 WARN L170 areAnnotationChecker]: L695-2 has no Hoare annotation [2020-07-28 19:02:02,280 WARN L170 areAnnotationChecker]: L644-2 has no Hoare annotation [2020-07-28 19:02:02,280 WARN L170 areAnnotationChecker]: L699 has no Hoare annotation [2020-07-28 19:02:02,280 WARN L170 areAnnotationChecker]: L699 has no Hoare annotation [2020-07-28 19:02:02,280 WARN L170 areAnnotationChecker]: L929-1 has no Hoare annotation [2020-07-28 19:02:02,280 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-28 19:02:02,281 WARN L170 areAnnotationChecker]: L673-2 has no Hoare annotation [2020-07-28 19:02:02,281 WARN L170 areAnnotationChecker]: L673-2 has no Hoare annotation [2020-07-28 19:02:02,281 WARN L170 areAnnotationChecker]: L731-6 has no Hoare annotation [2020-07-28 19:02:02,281 WARN L170 areAnnotationChecker]: L731-6 has no Hoare annotation [2020-07-28 19:02:02,282 WARN L170 areAnnotationChecker]: L884-8 has no Hoare annotation [2020-07-28 19:02:02,282 WARN L170 areAnnotationChecker]: L669-5 has no Hoare annotation [2020-07-28 19:02:02,282 WARN L170 areAnnotationChecker]: L669-5 has no Hoare annotation [2020-07-28 19:02:02,282 WARN L170 areAnnotationChecker]: L884-11 has no Hoare annotation [2020-07-28 19:02:02,283 WARN L170 areAnnotationChecker]: L669 has no Hoare annotation [2020-07-28 19:02:02,283 WARN L170 areAnnotationChecker]: L669 has no Hoare annotation [2020-07-28 19:02:02,283 WARN L170 areAnnotationChecker]: L814-3 has no Hoare annotation [2020-07-28 19:02:02,283 WARN L170 areAnnotationChecker]: L814-3 has no Hoare annotation [2020-07-28 19:02:02,284 WARN L170 areAnnotationChecker]: L950 has no Hoare annotation [2020-07-28 19:02:02,284 WARN L170 areAnnotationChecker]: L950 has no Hoare annotation [2020-07-28 19:02:02,284 WARN L170 areAnnotationChecker]: L884-5 has no Hoare annotation [2020-07-28 19:02:02,284 WARN L170 areAnnotationChecker]: L756-6 has no Hoare annotation [2020-07-28 19:02:02,284 WARN L170 areAnnotationChecker]: L924-5 has no Hoare annotation [2020-07-28 19:02:02,285 WARN L170 areAnnotationChecker]: L924-5 has no Hoare annotation [2020-07-28 19:02:02,285 WARN L170 areAnnotationChecker]: L944-4 has no Hoare annotation [2020-07-28 19:02:02,285 WARN L170 areAnnotationChecker]: L944-4 has no Hoare annotation [2020-07-28 19:02:02,285 WARN L170 areAnnotationChecker]: L924 has no Hoare annotation [2020-07-28 19:02:02,286 WARN L170 areAnnotationChecker]: L924 has no Hoare annotation [2020-07-28 19:02:02,286 WARN L170 areAnnotationChecker]: L814-5 has no Hoare annotation [2020-07-28 19:02:02,286 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 19:02:02,286 WARN L170 areAnnotationChecker]: L756-4 has no Hoare annotation [2020-07-28 19:02:02,286 WARN L170 areAnnotationChecker]: L699-2 has no Hoare annotation [2020-07-28 19:02:02,287 WARN L170 areAnnotationChecker]: L699-2 has no Hoare annotation [2020-07-28 19:02:02,287 WARN L170 areAnnotationChecker]: L929-5 has no Hoare annotation [2020-07-28 19:02:02,287 WARN L170 areAnnotationChecker]: L950-5 has no Hoare annotation [2020-07-28 19:02:02,287 WARN L170 areAnnotationChecker]: L916-2 has no Hoare annotation [2020-07-28 19:02:02,288 WARN L170 areAnnotationChecker]: L929 has no Hoare annotation [2020-07-28 19:02:02,288 WARN L170 areAnnotationChecker]: L820-1 has no Hoare annotation [2020-07-28 19:02:02,288 WARN L170 areAnnotationChecker]: L954 has no Hoare annotation [2020-07-28 19:02:02,288 WARN L170 areAnnotationChecker]: L954 has no Hoare annotation [2020-07-28 19:02:02,288 WARN L170 areAnnotationChecker]: L731-4 has no Hoare annotation [2020-07-28 19:02:02,289 WARN L170 areAnnotationChecker]: L731-4 has no Hoare annotation [2020-07-28 19:02:02,289 WARN L170 areAnnotationChecker]: L669-4 has no Hoare annotation [2020-07-28 19:02:02,289 WARN L170 areAnnotationChecker]: L669-4 has no Hoare annotation [2020-07-28 19:02:02,289 WARN L170 areAnnotationChecker]: L814-15 has no Hoare annotation [2020-07-28 19:02:02,289 WARN L170 areAnnotationChecker]: L814-15 has no Hoare annotation [2020-07-28 19:02:02,289 WARN L170 areAnnotationChecker]: L950-4 has no Hoare annotation [2020-07-28 19:02:02,290 WARN L170 areAnnotationChecker]: L950-4 has no Hoare annotation [2020-07-28 19:02:02,290 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 19:02:02,290 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 19:02:02,290 WARN L170 areAnnotationChecker]: L673-1 has no Hoare annotation [2020-07-28 19:02:02,290 WARN L170 areAnnotationChecker]: L673-1 has no Hoare annotation [2020-07-28 19:02:02,290 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:02:02,291 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:02:02,291 WARN L170 areAnnotationChecker]: L924-4 has no Hoare annotation [2020-07-28 19:02:02,291 WARN L170 areAnnotationChecker]: L924-4 has no Hoare annotation [2020-07-28 19:02:02,291 WARN L170 areAnnotationChecker]: L814-17 has no Hoare annotation [2020-07-28 19:02:02,291 WARN L170 areAnnotationChecker]: L765-2 has no Hoare annotation [2020-07-28 19:02:02,291 WARN L170 areAnnotationChecker]: L814-2 has no Hoare annotation [2020-07-28 19:02:02,292 WARN L170 areAnnotationChecker]: L884-2 has no Hoare annotation [2020-07-28 19:02:02,292 WARN L170 areAnnotationChecker]: L929-4 has no Hoare annotation [2020-07-28 19:02:02,292 WARN L170 areAnnotationChecker]: L820-5 has no Hoare annotation [2020-07-28 19:02:02,292 WARN L170 areAnnotationChecker]: L954-4 has no Hoare annotation [2020-07-28 19:02:02,292 WARN L170 areAnnotationChecker]: L954-4 has no Hoare annotation [2020-07-28 19:02:02,292 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 19:02:02,293 WARN L170 areAnnotationChecker]: L756-2 has no Hoare annotation [2020-07-28 19:02:02,293 WARN L170 areAnnotationChecker]: L814-12 has no Hoare annotation [2020-07-28 19:02:02,293 WARN L170 areAnnotationChecker]: L814-12 has no Hoare annotation [2020-07-28 19:02:02,293 WARN L170 areAnnotationChecker]: L673-5 has no Hoare annotation [2020-07-28 19:02:02,293 WARN L170 areAnnotationChecker]: L673-5 has no Hoare annotation [2020-07-28 19:02:02,294 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:02:02,294 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:02:02,294 WARN L170 areAnnotationChecker]: L673 has no Hoare annotation [2020-07-28 19:02:02,294 WARN L170 areAnnotationChecker]: L673 has no Hoare annotation [2020-07-28 19:02:02,294 WARN L170 areAnnotationChecker]: L731-2 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L731-2 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L814-14 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L884-10 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L884-1 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L820-4 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L756-8 has no Hoare annotation [2020-07-28 19:02:02,295 WARN L170 areAnnotationChecker]: L756-1 has no Hoare annotation [2020-07-28 19:02:02,296 WARN L170 areAnnotationChecker]: L673-4 has no Hoare annotation [2020-07-28 19:02:02,296 WARN L170 areAnnotationChecker]: L673-4 has no Hoare annotation [2020-07-28 19:02:02,296 WARN L170 areAnnotationChecker]: L731-10 has no Hoare annotation [2020-07-28 19:02:02,296 WARN L170 areAnnotationChecker]: L731-10 has no Hoare annotation [2020-07-28 19:02:02,296 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-28 19:02:02,296 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-28 19:02:02,297 WARN L170 areAnnotationChecker]: L884-9 has no Hoare annotation [2020-07-28 19:02:02,297 WARN L170 areAnnotationChecker]: L756-7 has no Hoare annotation [2020-07-28 19:02:02,297 WARN L170 areAnnotationChecker]: L731-8 has no Hoare annotation [2020-07-28 19:02:02,297 WARN L170 areAnnotationChecker]: L731-8 has no Hoare annotation [2020-07-28 19:02:02,298 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:02:02,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:02 BoogieIcfgContainer [2020-07-28 19:02:02,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:02,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:02,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:02,302 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:02,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:54" (3/4) ... [2020-07-28 19:02:02,306 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:02:02,435 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:02,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:02,438 INFO L168 Benchmark]: Toolchain (without parser) took 10422.56 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 961.6 MB in the beginning and 1.2 GB in the end (delta: -267.5 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:02,439 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:02,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:02,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.43 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:02,440 INFO L168 Benchmark]: Boogie Preprocessor took 57.46 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 19:02:02,441 INFO L168 Benchmark]: RCFGBuilder took 1867.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.3 MB in the end (delta: 197.4 MB). Peak memory consumption was 197.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:02,441 INFO L168 Benchmark]: TraceAbstraction took 7405.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 162.0 MB). Free memory was 929.3 MB in the beginning and 1.3 GB in the end (delta: -326.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:02,442 INFO L168 Benchmark]: Witness Printer took 133.72 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:02,444 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 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 825.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.43 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.46 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 1867.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.3 MB in the end (delta: 197.4 MB). Peak memory consumption was 197.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7405.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 162.0 MB). Free memory was 929.3 MB in the beginning and 1.3 GB in the end (delta: -326.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 133.72 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L629] int pumpRunning = 0; [L630] int systemActive = 1; [L841] int waterLevel = 1; [L842] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] int retValue_acc ; [L131] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] int retValue_acc ; [L182] retValue_acc = 1 [L183] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L556] int splverifierCounter ; [L557] int tmp ; [L558] int tmp___0 ; [L559] int tmp___1 ; [L560] int tmp___2 ; [L563] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L565] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L567] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L573] tmp = __VERIFIER_nondet_int() [L575] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] COND TRUE waterLevel < 2 [L860] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L583] tmp___0 = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] tmp___2 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___2)) [L599] tmp___1 = __VERIFIER_nondet_int() [L601] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L828] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L835] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L637] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L644] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L936] int tmp ; [L937] int tmp___0 ; [L938] int tmp___1 ; [L880] int retValue_acc ; [L883] retValue_acc = methaneLevelCritical [L884] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L942] tmp = isMethaneLevelCritical() [L944] COND FALSE !(\read(tmp)) [L912] int retValue_acc ; [L915] retValue_acc = waterLevel [L916] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L948] tmp___0 = getWaterLevel() [L950] COND TRUE tmp___0 == 2 [L761] int retValue_acc ; [L764] retValue_acc = pumpRunning [L765] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L952] tmp___1 = isPumpRunning() [L954] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 719 SDslu, 708 SDs, 0 SdLazy, 79 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 306 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5504 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 incorrect! Received shutdown request...