./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product07.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_product07.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 fa84680efe228141f2f1a8a0259e3b287bc28d50 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:01:07,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:07,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:07,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:07,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:07,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:07,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:07,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:07,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:07,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:07,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:07,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:07,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:07,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:07,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:07,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:07,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:07,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:07,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:07,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:07,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:07,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:07,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:07,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:07,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:07,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:07,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:07,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:07,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:07,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:07,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:07,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:07,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:07,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:07,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:07,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:07,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:07,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:07,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:07,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:07,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:07,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:07,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:07,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:07,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:07,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:07,820 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:07,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:07,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:07,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:07,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:07,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:07,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:07,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:07,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:07,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:07,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:07,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:07,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:07,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:07,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:07,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:07,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:07,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:07,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:07,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:07,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:07,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:07,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:07,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:07,826 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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2020-07-28 19:01:08,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:08,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:08,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:08,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:08,191 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:08,192 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-07-28 19:01:08,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae132f8e/7578bb0667034d4bb4ce9198276faba6/FLAG7539ce07d [2020-07-28 19:01:08,808 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:08,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-07-28 19:01:08,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae132f8e/7578bb0667034d4bb4ce9198276faba6/FLAG7539ce07d [2020-07-28 19:01:09,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae132f8e/7578bb0667034d4bb4ce9198276faba6 [2020-07-28 19:01:09,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:09,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:09,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:09,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:09,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:09,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777df8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09, skipping insertion in model container [2020-07-28 19:01:09,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:09,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:09,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:09,592 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:09,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:09,765 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:09,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09 WrapperNode [2020-07-28 19:01:09,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:09,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:09,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:09,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:09,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:09,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:09,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:09,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:09,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (1/1) ... [2020-07-28 19:01:09,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:09,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:09,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:09,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:09,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (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 19:01:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:11,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:11,366 INFO L295 CfgBuilder]: Removed 106 assume(true) statements. [2020-07-28 19:01:11,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:11 BoogieIcfgContainer [2020-07-28 19:01:11,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:11,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:11,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:11,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:11,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:09" (1/3) ... [2020-07-28 19:01:11,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3088cef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:11, skipping insertion in model container [2020-07-28 19:01:11,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:09" (2/3) ... [2020-07-28 19:01:11,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3088cef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:11, skipping insertion in model container [2020-07-28 19:01:11,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:11" (3/3) ... [2020-07-28 19:01:11,382 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-07-28 19:01:11,394 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:11,403 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:11,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:11,445 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:11,445 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:11,445 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:11,446 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:11,447 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:11,447 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:11,447 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:11,447 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2020-07-28 19:01:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:11,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:11,476 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 19:01:11,476 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:11,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:11,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2020-07-28 19:01:11,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:11,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208414011] [2020-07-28 19:01:11,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:11,831 INFO L280 TraceCheckUtils]: 0: Hoare triple {80#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.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; {80#true} is VALID [2020-07-28 19:01:11,832 INFO L280 TraceCheckUtils]: 1: Hoare triple {80#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {80#true} is VALID [2020-07-28 19:01:11,833 INFO L280 TraceCheckUtils]: 2: Hoare triple {80#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {80#true} is VALID [2020-07-28 19:01:11,833 INFO L280 TraceCheckUtils]: 3: Hoare triple {80#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {80#true} is VALID [2020-07-28 19:01:11,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {80#true} assume 0 != main_~tmp~0; {80#true} is VALID [2020-07-28 19:01:11,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {80#true} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {80#true} is VALID [2020-07-28 19:01:11,836 INFO L280 TraceCheckUtils]: 6: Hoare triple {80#true} assume false; {81#false} is VALID [2020-07-28 19:01:11,836 INFO L280 TraceCheckUtils]: 7: Hoare triple {81#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {81#false} is VALID [2020-07-28 19:01:11,837 INFO L280 TraceCheckUtils]: 8: Hoare triple {81#false} assume !(0 != ~pumpRunning~0); {81#false} is VALID [2020-07-28 19:01:11,837 INFO L280 TraceCheckUtils]: 9: Hoare triple {81#false} assume !(0 != ~systemActive~0); {81#false} is VALID [2020-07-28 19:01:11,838 INFO L280 TraceCheckUtils]: 10: Hoare triple {81#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {81#false} is VALID [2020-07-28 19:01:11,838 INFO L280 TraceCheckUtils]: 11: Hoare triple {81#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {81#false} is VALID [2020-07-28 19:01:11,838 INFO L280 TraceCheckUtils]: 12: Hoare triple {81#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {81#false} is VALID [2020-07-28 19:01:11,839 INFO L280 TraceCheckUtils]: 13: Hoare triple {81#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {81#false} is VALID [2020-07-28 19:01:11,839 INFO L280 TraceCheckUtils]: 14: Hoare triple {81#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {81#false} is VALID [2020-07-28 19:01:11,840 INFO L280 TraceCheckUtils]: 15: Hoare triple {81#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {81#false} is VALID [2020-07-28 19:01:11,840 INFO L280 TraceCheckUtils]: 16: Hoare triple {81#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {81#false} is VALID [2020-07-28 19:01:11,840 INFO L280 TraceCheckUtils]: 17: Hoare triple {81#false} assume !false; {81#false} is VALID [2020-07-28 19:01:11,845 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 19:01:11,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208414011] [2020-07-28 19:01:11,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:11,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:11,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128651584] [2020-07-28 19:01:11,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:11,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:11,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:11,899 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 19:01:11,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:11,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:11,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:11,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:11,912 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2020-07-28 19:01:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,122 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2020-07-28 19:01:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:12,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:12,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 221 transitions. [2020-07-28 19:01:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 221 transitions. [2020-07-28 19:01:12,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 221 transitions. [2020-07-28 19:01:12,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 221 edges. 221 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:12,647 INFO L225 Difference]: With dead ends: 148 [2020-07-28 19:01:12,647 INFO L226 Difference]: Without dead ends: 73 [2020-07-28 19:01:12,656 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 19:01:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-28 19:01:12,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-07-28 19:01:12,720 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:12,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:12,721 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:12,721 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,730 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-07-28 19:01:12,730 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-07-28 19:01:12,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:12,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:12,732 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:12,732 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 19:01:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:12,747 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-07-28 19:01:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-07-28 19:01:12,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:12,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:12,751 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:12,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-28 19:01:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-07-28 19:01:12,765 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2020-07-28 19:01:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:12,765 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-07-28 19:01:12,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-07-28 19:01:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:12,769 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:12,770 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 19:01:12,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:12,770 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:12,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2020-07-28 19:01:12,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:12,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083650927] [2020-07-28 19:01:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:12,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {551#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.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; {551#true} is VALID [2020-07-28 19:01:12,939 INFO L280 TraceCheckUtils]: 1: Hoare triple {551#true} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {551#true} is VALID [2020-07-28 19:01:12,940 INFO L280 TraceCheckUtils]: 2: Hoare triple {551#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {551#true} is VALID [2020-07-28 19:01:12,940 INFO L280 TraceCheckUtils]: 3: Hoare triple {551#true} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {551#true} is VALID [2020-07-28 19:01:12,941 INFO L280 TraceCheckUtils]: 4: Hoare triple {551#true} assume 0 != main_~tmp~0; {551#true} is VALID [2020-07-28 19:01:12,949 INFO L280 TraceCheckUtils]: 5: Hoare triple {551#true} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:12,950 INFO L280 TraceCheckUtils]: 6: Hoare triple {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:12,951 INFO L280 TraceCheckUtils]: 7: Hoare triple {553#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {552#false} is VALID [2020-07-28 19:01:12,951 INFO L280 TraceCheckUtils]: 8: Hoare triple {552#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {552#false} is VALID [2020-07-28 19:01:12,951 INFO L280 TraceCheckUtils]: 9: Hoare triple {552#false} assume !(0 != ~pumpRunning~0); {552#false} is VALID [2020-07-28 19:01:12,952 INFO L280 TraceCheckUtils]: 10: Hoare triple {552#false} assume !(0 != ~systemActive~0); {552#false} is VALID [2020-07-28 19:01:12,952 INFO L280 TraceCheckUtils]: 11: Hoare triple {552#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {552#false} is VALID [2020-07-28 19:01:12,952 INFO L280 TraceCheckUtils]: 12: Hoare triple {552#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {552#false} is VALID [2020-07-28 19:01:12,953 INFO L280 TraceCheckUtils]: 13: Hoare triple {552#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {552#false} is VALID [2020-07-28 19:01:12,953 INFO L280 TraceCheckUtils]: 14: Hoare triple {552#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {552#false} is VALID [2020-07-28 19:01:12,953 INFO L280 TraceCheckUtils]: 15: Hoare triple {552#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {552#false} is VALID [2020-07-28 19:01:12,954 INFO L280 TraceCheckUtils]: 16: Hoare triple {552#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {552#false} is VALID [2020-07-28 19:01:12,954 INFO L280 TraceCheckUtils]: 17: Hoare triple {552#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {552#false} is VALID [2020-07-28 19:01:12,954 INFO L280 TraceCheckUtils]: 18: Hoare triple {552#false} assume !false; {552#false} is VALID [2020-07-28 19:01:12,956 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 19:01:12,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083650927] [2020-07-28 19:01:12,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:12,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:12,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71137515] [2020-07-28 19:01:12,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:12,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:12,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:13,000 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 19:01:13,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:13,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:13,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:13,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:13,002 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-07-28 19:01:13,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:13,204 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-07-28 19:01:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:13,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2020-07-28 19:01:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2020-07-28 19:01:13,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 102 transitions. [2020-07-28 19:01:13,346 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:13,348 INFO L225 Difference]: With dead ends: 73 [2020-07-28 19:01:13,348 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 19:01:13,352 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 19:01:13,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 19:01:13,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 19:01:13,382 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:13,382 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:13,382 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:13,383 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:13,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:13,389 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 19:01:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:13,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:13,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:13,390 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:13,391 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:13,398 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 19:01:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:13,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:13,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:13,400 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:13,401 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 19:01:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 19:01:13,404 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 19:01:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:13,405 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 19:01:13,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:13,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:13,439 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 19:01:13,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:13,439 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:13,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:13,443 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2020-07-28 19:01:13,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:13,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824572104] [2020-07-28 19:01:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:13,614 INFO L280 TraceCheckUtils]: 0: Hoare triple {782#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.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; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,615 INFO L280 TraceCheckUtils]: 1: Hoare triple {784#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,616 INFO L280 TraceCheckUtils]: 2: Hoare triple {784#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,617 INFO L280 TraceCheckUtils]: 3: Hoare triple {784#(= 1 ~systemActive~0)} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,618 INFO L280 TraceCheckUtils]: 4: Hoare triple {784#(= 1 ~systemActive~0)} assume 0 != main_~tmp~0; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,618 INFO L280 TraceCheckUtils]: 5: Hoare triple {784#(= 1 ~systemActive~0)} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,619 INFO L280 TraceCheckUtils]: 6: Hoare triple {784#(= 1 ~systemActive~0)} assume !false; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,620 INFO L280 TraceCheckUtils]: 7: Hoare triple {784#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,621 INFO L280 TraceCheckUtils]: 8: Hoare triple {784#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,622 INFO L280 TraceCheckUtils]: 9: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~6); {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,622 INFO L280 TraceCheckUtils]: 10: Hoare triple {784#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,623 INFO L280 TraceCheckUtils]: 11: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,624 INFO L280 TraceCheckUtils]: 12: Hoare triple {784#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,624 INFO L280 TraceCheckUtils]: 13: Hoare triple {784#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,625 INFO L280 TraceCheckUtils]: 14: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {784#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:13,626 INFO L280 TraceCheckUtils]: 15: Hoare triple {784#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {783#false} is VALID [2020-07-28 19:01:13,626 INFO L280 TraceCheckUtils]: 16: Hoare triple {783#false} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {783#false} is VALID [2020-07-28 19:01:13,626 INFO L280 TraceCheckUtils]: 17: Hoare triple {783#false} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {783#false} is VALID [2020-07-28 19:01:13,627 INFO L280 TraceCheckUtils]: 18: Hoare triple {783#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {783#false} is VALID [2020-07-28 19:01:13,627 INFO L280 TraceCheckUtils]: 19: Hoare triple {783#false} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {783#false} is VALID [2020-07-28 19:01:13,627 INFO L280 TraceCheckUtils]: 20: Hoare triple {783#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {783#false} is VALID [2020-07-28 19:01:13,628 INFO L280 TraceCheckUtils]: 21: Hoare triple {783#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {783#false} is VALID [2020-07-28 19:01:13,628 INFO L280 TraceCheckUtils]: 22: Hoare triple {783#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {783#false} is VALID [2020-07-28 19:01:13,628 INFO L280 TraceCheckUtils]: 23: Hoare triple {783#false} assume !false; {783#false} is VALID [2020-07-28 19:01:13,629 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 19:01:13,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824572104] [2020-07-28 19:01:13,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:13,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:13,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042137444] [2020-07-28 19:01:13,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:13,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:13,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:13,669 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 19:01:13,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:13,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:13,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:13,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:13,670 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-07-28 19:01:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:13,851 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-07-28 19:01:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:13,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2020-07-28 19:01:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2020-07-28 19:01:13,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 135 transitions. [2020-07-28 19:01:14,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:14,034 INFO L225 Difference]: With dead ends: 93 [2020-07-28 19:01:14,035 INFO L226 Difference]: Without dead ends: 64 [2020-07-28 19:01:14,037 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 19:01:14,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-28 19:01:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-07-28 19:01:14,085 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:14,085 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 60 states. [2020-07-28 19:01:14,085 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 60 states. [2020-07-28 19:01:14,086 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 60 states. [2020-07-28 19:01:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:14,090 INFO L93 Difference]: Finished difference Result 64 states and 91 transitions. [2020-07-28 19:01:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2020-07-28 19:01:14,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:14,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:14,091 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 64 states. [2020-07-28 19:01:14,091 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 64 states. [2020-07-28 19:01:14,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:14,094 INFO L93 Difference]: Finished difference Result 64 states and 91 transitions. [2020-07-28 19:01:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2020-07-28 19:01:14,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:14,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:14,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:14,095 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:01:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-07-28 19:01:14,098 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2020-07-28 19:01:14,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:14,099 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-07-28 19:01:14,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-07-28 19:01:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:14,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:14,100 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] [2020-07-28 19:01:14,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:14,101 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2020-07-28 19:01:14,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:14,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806142964] [2020-07-28 19:01:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:14,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {1133#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.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; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,196 INFO L280 TraceCheckUtils]: 2: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {1135#(= 1 ~waterLevel~0)} main_#t~ret1 := valid_product_#res;assume -2147483648 <= main_#t~ret1 && main_#t~ret1 <= 2147483647;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,197 INFO L280 TraceCheckUtils]: 4: Hoare triple {1135#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,198 INFO L280 TraceCheckUtils]: 5: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,199 INFO L280 TraceCheckUtils]: 6: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !false; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,200 INFO L280 TraceCheckUtils]: 7: Hoare triple {1135#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,201 INFO L280 TraceCheckUtils]: 8: Hoare triple {1135#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,202 INFO L280 TraceCheckUtils]: 9: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~6); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,202 INFO L280 TraceCheckUtils]: 10: Hoare triple {1135#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,203 INFO L280 TraceCheckUtils]: 11: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,204 INFO L280 TraceCheckUtils]: 12: Hoare triple {1135#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,205 INFO L280 TraceCheckUtils]: 13: Hoare triple {1135#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,206 INFO L280 TraceCheckUtils]: 14: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,207 INFO L280 TraceCheckUtils]: 15: Hoare triple {1135#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,207 INFO L280 TraceCheckUtils]: 16: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,208 INFO L280 TraceCheckUtils]: 17: Hoare triple {1135#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,209 INFO L280 TraceCheckUtils]: 18: Hoare triple {1135#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret37 && __utac_acc__Specification3_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; {1135#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:14,210 INFO L280 TraceCheckUtils]: 19: Hoare triple {1135#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {1136#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:14,211 INFO L280 TraceCheckUtils]: 20: Hoare triple {1136#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret38 && __utac_acc__Specification3_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; {1137#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:01:14,212 INFO L280 TraceCheckUtils]: 21: Hoare triple {1137#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {1134#false} is VALID [2020-07-28 19:01:14,213 INFO L280 TraceCheckUtils]: 22: Hoare triple {1134#false} __utac_acc__Specification3_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret39 && __utac_acc__Specification3_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret39;havoc __utac_acc__Specification3_spec__1_#t~ret39; {1134#false} is VALID [2020-07-28 19:01:14,213 INFO L280 TraceCheckUtils]: 23: Hoare triple {1134#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1134#false} is VALID [2020-07-28 19:01:14,213 INFO L280 TraceCheckUtils]: 24: Hoare triple {1134#false} assume !false; {1134#false} is VALID [2020-07-28 19:01:14,215 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 19:01:14,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806142964] [2020-07-28 19:01:14,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:14,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:14,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639658811] [2020-07-28 19:01:14,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:14,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:14,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:14,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:14,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:14,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:14,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:14,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:14,253 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-07-28 19:01:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:15,087 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2020-07-28 19:01:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:15,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:15,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 262 transitions. [2020-07-28 19:01:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 262 transitions. [2020-07-28 19:01:15,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 262 transitions. [2020-07-28 19:01:15,403 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 19:01:15,417 INFO L225 Difference]: With dead ends: 320 [2020-07-28 19:01:15,417 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 19:01:15,418 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 19:01:15,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 19:01:15,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2020-07-28 19:01:15,545 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:15,545 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 108 states. [2020-07-28 19:01:15,545 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 108 states. [2020-07-28 19:01:15,546 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 108 states. [2020-07-28 19:01:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:15,557 INFO L93 Difference]: Finished difference Result 266 states and 393 transitions. [2020-07-28 19:01:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 393 transitions. [2020-07-28 19:01:15,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:15,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:15,560 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 266 states. [2020-07-28 19:01:15,560 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 266 states. [2020-07-28 19:01:15,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:15,571 INFO L93 Difference]: Finished difference Result 266 states and 393 transitions. [2020-07-28 19:01:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 393 transitions. [2020-07-28 19:01:15,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:15,573 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:15,573 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:15,573 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-28 19:01:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2020-07-28 19:01:15,577 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2020-07-28 19:01:15,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:15,578 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2020-07-28 19:01:15,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2020-07-28 19:01:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:15,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:15,580 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 19:01:15,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:15,581 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2020-07-28 19:01:15,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:15,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525376608] [2020-07-28 19:01:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:15,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:15,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:15,784 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:15,787 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:15,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:15,960 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:15,960 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:15,960 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:01:15,960 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:01:15,961 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-28 19:01:15,961 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-28 19:01:15,961 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-28 19:01:15,962 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 19:01:15,962 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:01:15,962 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:01:15,962 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:01:15,962 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 19:01:15,962 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:01:15,963 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-28 19:01:15,963 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-28 19:01:15,963 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:15,963 WARN L170 areAnnotationChecker]: L603-1 has no Hoare annotation [2020-07-28 19:01:15,963 WARN L170 areAnnotationChecker]: L603-1 has no Hoare annotation [2020-07-28 19:01:15,964 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-28 19:01:15,964 WARN L170 areAnnotationChecker]: L817-3 has no Hoare annotation [2020-07-28 19:01:15,964 WARN L170 areAnnotationChecker]: L817-3 has no Hoare annotation [2020-07-28 19:01:15,964 WARN L170 areAnnotationChecker]: L603-2 has no Hoare annotation [2020-07-28 19:01:15,964 WARN L170 areAnnotationChecker]: L603-2 has no Hoare annotation [2020-07-28 19:01:15,964 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-28 19:01:15,965 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-28 19:01:15,965 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:01:15,965 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:01:15,965 WARN L170 areAnnotationChecker]: L610-1 has no Hoare annotation [2020-07-28 19:01:15,965 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:01:15,965 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:01:15,966 WARN L170 areAnnotationChecker]: L764-1 has no Hoare annotation [2020-07-28 19:01:15,966 WARN L170 areAnnotationChecker]: L854-2 has no Hoare annotation [2020-07-28 19:01:15,966 WARN L170 areAnnotationChecker]: L854-3 has no Hoare annotation [2020-07-28 19:01:15,966 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 19:01:15,967 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 19:01:15,967 WARN L170 areAnnotationChecker]: L679-1 has no Hoare annotation [2020-07-28 19:01:15,967 WARN L170 areAnnotationChecker]: L566-2 has no Hoare annotation [2020-07-28 19:01:15,968 WARN L170 areAnnotationChecker]: L566-2 has no Hoare annotation [2020-07-28 19:01:15,968 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-28 19:01:15,968 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-28 19:01:15,968 WARN L170 areAnnotationChecker]: L774-1 has no Hoare annotation [2020-07-28 19:01:15,968 WARN L170 areAnnotationChecker]: L639-1 has no Hoare annotation [2020-07-28 19:01:15,968 WARN L170 areAnnotationChecker]: L639-1 has no Hoare annotation [2020-07-28 19:01:15,969 WARN L170 areAnnotationChecker]: L572-3 has no Hoare annotation [2020-07-28 19:01:15,969 WARN L170 areAnnotationChecker]: L886-1 has no Hoare annotation [2020-07-28 19:01:15,969 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:15,969 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:15,969 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:01:15,970 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:01:15,970 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:01:15,970 WARN L170 areAnnotationChecker]: L572-2 has no Hoare annotation [2020-07-28 19:01:15,970 WARN L170 areAnnotationChecker]: L572-2 has no Hoare annotation [2020-07-28 19:01:15,970 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-28 19:01:15,971 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-28 19:01:15,971 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 19:01:15,971 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 19:01:15,971 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-28 19:01:15,971 WARN L170 areAnnotationChecker]: L688-1 has no Hoare annotation [2020-07-28 19:01:15,971 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 19:01:15,972 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 19:01:15,972 WARN L170 areAnnotationChecker]: L603 has no Hoare annotation [2020-07-28 19:01:15,972 WARN L170 areAnnotationChecker]: L603 has no Hoare annotation [2020-07-28 19:01:15,972 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-28 19:01:15,972 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-28 19:01:15,973 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:15,973 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:15,973 WARN L170 areAnnotationChecker]: L576-2 has no Hoare annotation [2020-07-28 19:01:15,973 WARN L170 areAnnotationChecker]: L576-2 has no Hoare annotation [2020-07-28 19:01:15,973 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:01:15,974 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:01:15,974 WARN L170 areAnnotationChecker]: L610 has no Hoare annotation [2020-07-28 19:01:15,974 WARN L170 areAnnotationChecker]: L732-1 has no Hoare annotation [2020-07-28 19:01:15,974 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-28 19:01:15,974 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-28 19:01:15,975 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:01:15,975 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:01:15,975 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 19:01:15,975 WARN L170 areAnnotationChecker]: L854-1 has no Hoare annotation [2020-07-28 19:01:15,975 WARN L170 areAnnotationChecker]: L817-6 has no Hoare annotation [2020-07-28 19:01:15,976 WARN L170 areAnnotationChecker]: L817-6 has no Hoare annotation [2020-07-28 19:01:15,976 WARN L170 areAnnotationChecker]: L603-3 has no Hoare annotation [2020-07-28 19:01:15,976 WARN L170 areAnnotationChecker]: L603-3 has no Hoare annotation [2020-07-28 19:01:15,976 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-28 19:01:15,976 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-28 19:01:15,977 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-28 19:01:15,977 WARN L170 areAnnotationChecker]: L635-2 has no Hoare annotation [2020-07-28 19:01:15,977 WARN L170 areAnnotationChecker]: L635-2 has no Hoare annotation [2020-07-28 19:01:15,977 WARN L170 areAnnotationChecker]: L610-2 has no Hoare annotation [2020-07-28 19:01:15,977 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 19:01:15,978 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 19:01:15,978 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-28 19:01:15,978 WARN L170 areAnnotationChecker]: L854-4 has no Hoare annotation [2020-07-28 19:01:15,978 WARN L170 areAnnotationChecker]: L854-5 has no Hoare annotation [2020-07-28 19:01:15,978 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:01:15,978 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:01:15,979 WARN L170 areAnnotationChecker]: L679-2 has no Hoare annotation [2020-07-28 19:01:15,979 WARN L170 areAnnotationChecker]: L566-4 has no Hoare annotation [2020-07-28 19:01:15,979 WARN L170 areAnnotationChecker]: L566-4 has no Hoare annotation [2020-07-28 19:01:15,979 WARN L170 areAnnotationChecker]: L688 has no Hoare annotation [2020-07-28 19:01:15,979 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 19:01:15,980 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 19:01:15,980 WARN L170 areAnnotationChecker]: L572-5 has no Hoare annotation [2020-07-28 19:01:15,980 WARN L170 areAnnotationChecker]: L886-2 has no Hoare annotation [2020-07-28 19:01:15,980 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-28 19:01:15,980 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-28 19:01:15,980 WARN L170 areAnnotationChecker]: L572-4 has no Hoare annotation [2020-07-28 19:01:15,981 WARN L170 areAnnotationChecker]: L572-4 has no Hoare annotation [2020-07-28 19:01:15,981 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:01:15,981 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:01:15,981 WARN L170 areAnnotationChecker]: L688-2 has no Hoare annotation [2020-07-28 19:01:15,981 WARN L170 areAnnotationChecker]: L576-4 has no Hoare annotation [2020-07-28 19:01:15,982 WARN L170 areAnnotationChecker]: L576-4 has no Hoare annotation [2020-07-28 19:01:15,982 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:01:15,982 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:01:15,982 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 19:01:15,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:15 BoogieIcfgContainer [2020-07-28 19:01:15,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:15,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:15,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:15,989 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:15,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:11" (3/4) ... [2020-07-28 19:01:15,993 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:16,188 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:16,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:16,191 INFO L168 Benchmark]: Toolchain (without parser) took 7066.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 960.2 MB in the beginning and 847.9 MB in the end (delta: 112.3 MB). Peak memory consumption was 333.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:16,192 INFO L168 Benchmark]: CDTParser took 0.75 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 19:01:16,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:16,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.45 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:16,195 INFO L168 Benchmark]: Boogie Preprocessor took 46.06 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 19:01:16,195 INFO L168 Benchmark]: RCFGBuilder took 1460.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.9 MB in the end (delta: 147.1 MB). Peak memory consumption was 147.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:16,196 INFO L168 Benchmark]: TraceAbstraction took 4615.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 967.9 MB in the beginning and 871.5 MB in the end (delta: 96.4 MB). Peak memory consumption was 176.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:16,196 INFO L168 Benchmark]: Witness Printer took 199.40 ms. Allocated memory is still 1.2 GB. Free memory was 871.5 MB in the beginning and 847.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:16,199 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 0.75 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 637.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.45 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.06 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 1460.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.9 MB in the end (delta: 147.1 MB). Peak memory consumption was 147.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4615.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 967.9 MB in the beginning and 871.5 MB in the end (delta: 96.4 MB). Peak memory consumption was 176.1 MB. Max. memory is 11.5 GB. * Witness Printer took 199.40 ms. Allocated memory is still 1.2 GB. Free memory was 871.5 MB in the beginning and 847.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 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: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] int retValue_acc ; [L166] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] COND TRUE waterLevel < 2 [L830] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND TRUE \read(systemActive) [L632] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] tmp___0 = getWaterLevel() [L572] COND TRUE tmp___0 == 2 [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L574] tmp___1 = isPumpRunning() [L576] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 272 SDslu, 233 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...