./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product44.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_product44.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 35186e76d3512165346b803182d73298e94993df .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:01:44,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:44,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:44,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:44,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:44,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:44,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:44,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:44,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:44,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:44,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:44,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:44,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:44,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:44,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:44,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:44,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:44,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:44,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:44,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:44,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:44,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:44,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:44,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:44,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:44,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:44,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:44,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:44,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:44,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:44,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:44,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:44,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:44,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:44,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:44,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:44,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:44,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:44,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:44,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:44,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:44,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:44,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:44,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:44,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:44,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:44,778 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:44,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:44,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:44,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:44,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:44,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:44,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:44,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:44,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:44,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:44,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:44,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:44,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:44,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:44,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:44,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:44,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:44,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:44,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:44,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:44,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:44,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:44,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:44,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:44,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:44,787 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 -> 35186e76d3512165346b803182d73298e94993df [2020-07-28 19:01:45,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:45,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:45,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:45,142 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:45,142 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:45,143 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2020-07-28 19:01:45,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/129fd0810/0122e4056b134a2984605e94381182ed/FLAG64b48d55a [2020-07-28 19:01:45,752 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:45,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2020-07-28 19:01:45,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/129fd0810/0122e4056b134a2984605e94381182ed/FLAG64b48d55a [2020-07-28 19:01:46,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/129fd0810/0122e4056b134a2984605e94381182ed [2020-07-28 19:01:46,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:46,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:46,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:46,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:46,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:46,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf1f681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46, skipping insertion in model container [2020-07-28 19:01:46,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:46,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:46,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:46,711 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:46,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:46,893 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:46,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46 WrapperNode [2020-07-28 19:01:46,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:46,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:46,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:46,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:46,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:46,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:46,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:46,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:46,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:46,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:47,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:47,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:47,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (1/1) ... [2020-07-28 19:01:47,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:47,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:47,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:47,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:47,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (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 19:01:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:48,599 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:48,600 INFO L295 CfgBuilder]: Removed 126 assume(true) statements. [2020-07-28 19:01:48,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:48 BoogieIcfgContainer [2020-07-28 19:01:48,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:48,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:48,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:48,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:48,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:46" (1/3) ... [2020-07-28 19:01:48,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc05f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:48, skipping insertion in model container [2020-07-28 19:01:48,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:46" (2/3) ... [2020-07-28 19:01:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc05f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:48, skipping insertion in model container [2020-07-28 19:01:48,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:48" (3/3) ... [2020-07-28 19:01:48,615 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product44.cil.c [2020-07-28 19:01:48,626 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:48,633 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:48,648 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:48,672 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:48,673 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:48,673 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:48,674 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:48,674 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:48,674 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:48,674 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:48,675 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-07-28 19:01:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:48,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:48,703 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 19:01:48,703 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:48,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:48,710 INFO L82 PathProgramCache]: Analyzing trace with hash -415609573, now seen corresponding path program 1 times [2020-07-28 19:01:48,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:48,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203082688] [2020-07-28 19:01:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:49,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {98#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {98#true} is VALID [2020-07-28 19:01:49,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {98#true} is VALID [2020-07-28 19:01:49,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {98#true} is VALID [2020-07-28 19:01:49,084 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {98#true} is VALID [2020-07-28 19:01:49,084 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} assume 0 != main_~tmp~0; {98#true} is VALID [2020-07-28 19:01:49,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {98#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {98#true} is VALID [2020-07-28 19:01:49,086 INFO L280 TraceCheckUtils]: 6: Hoare triple {98#true} assume false; {99#false} is VALID [2020-07-28 19:01:49,086 INFO L280 TraceCheckUtils]: 7: Hoare triple {99#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {99#false} is VALID [2020-07-28 19:01:49,087 INFO L280 TraceCheckUtils]: 8: Hoare triple {99#false} assume !(0 != ~pumpRunning~0); {99#false} is VALID [2020-07-28 19:01:49,087 INFO L280 TraceCheckUtils]: 9: Hoare triple {99#false} assume !(0 != ~systemActive~0); {99#false} is VALID [2020-07-28 19:01:49,088 INFO L280 TraceCheckUtils]: 10: Hoare triple {99#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {99#false} is VALID [2020-07-28 19:01:49,088 INFO L280 TraceCheckUtils]: 11: Hoare triple {99#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {99#false} is VALID [2020-07-28 19:01:49,089 INFO L280 TraceCheckUtils]: 12: Hoare triple {99#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {99#false} is VALID [2020-07-28 19:01:49,089 INFO L280 TraceCheckUtils]: 13: Hoare triple {99#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {99#false} is VALID [2020-07-28 19:01:49,090 INFO L280 TraceCheckUtils]: 14: Hoare triple {99#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {99#false} is VALID [2020-07-28 19:01:49,090 INFO L280 TraceCheckUtils]: 15: Hoare triple {99#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {99#false} is VALID [2020-07-28 19:01:49,091 INFO L280 TraceCheckUtils]: 16: Hoare triple {99#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {99#false} is VALID [2020-07-28 19:01:49,091 INFO L280 TraceCheckUtils]: 17: Hoare triple {99#false} assume !false; {99#false} is VALID [2020-07-28 19:01:49,096 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 19:01:49,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203082688] [2020-07-28 19:01:49,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:49,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:49,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742578646] [2020-07-28 19:01:49,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:49,108 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:49,112 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:49,162 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 19:01:49,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:49,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:49,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:49,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:49,176 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2020-07-28 19:01:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,421 INFO L93 Difference]: Finished difference Result 184 states and 275 transitions. [2020-07-28 19:01:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:49,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 275 transitions. [2020-07-28 19:01:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 275 transitions. [2020-07-28 19:01:49,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 275 transitions. [2020-07-28 19:01:49,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 275 edges. 275 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:49,810 INFO L225 Difference]: With dead ends: 184 [2020-07-28 19:01:49,811 INFO L226 Difference]: Without dead ends: 91 [2020-07-28 19:01:49,815 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 19:01:49,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-28 19:01:49,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-28 19:01:49,875 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:49,876 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:49,876 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:49,876 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,885 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2020-07-28 19:01:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-07-28 19:01:49,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:49,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:49,888 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:49,888 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2020-07-28 19:01:49,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,896 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2020-07-28 19:01:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-07-28 19:01:49,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:49,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:49,898 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:49,898 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-28 19:01:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2020-07-28 19:01:49,906 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 18 [2020-07-28 19:01:49,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:49,907 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2020-07-28 19:01:49,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-07-28 19:01:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:49,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:49,909 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 19:01:49,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:49,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:49,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:49,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1326640326, now seen corresponding path program 1 times [2020-07-28 19:01:49,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:49,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254010917] [2020-07-28 19:01:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:50,072 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {677#true} is VALID [2020-07-28 19:01:50,072 INFO L280 TraceCheckUtils]: 1: Hoare triple {677#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {677#true} is VALID [2020-07-28 19:01:50,073 INFO L280 TraceCheckUtils]: 2: Hoare triple {677#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {677#true} is VALID [2020-07-28 19:01:50,073 INFO L280 TraceCheckUtils]: 3: Hoare triple {677#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {677#true} is VALID [2020-07-28 19:01:50,074 INFO L280 TraceCheckUtils]: 4: Hoare triple {677#true} assume 0 != main_~tmp~0; {677#true} is VALID [2020-07-28 19:01:50,075 INFO L280 TraceCheckUtils]: 5: Hoare triple {677#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:50,075 INFO L280 TraceCheckUtils]: 6: Hoare triple {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:50,080 INFO L280 TraceCheckUtils]: 7: Hoare triple {679#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {678#false} is VALID [2020-07-28 19:01:50,080 INFO L280 TraceCheckUtils]: 8: Hoare triple {678#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {678#false} is VALID [2020-07-28 19:01:50,081 INFO L280 TraceCheckUtils]: 9: Hoare triple {678#false} assume !(0 != ~pumpRunning~0); {678#false} is VALID [2020-07-28 19:01:50,081 INFO L280 TraceCheckUtils]: 10: Hoare triple {678#false} assume !(0 != ~systemActive~0); {678#false} is VALID [2020-07-28 19:01:50,082 INFO L280 TraceCheckUtils]: 11: Hoare triple {678#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {678#false} is VALID [2020-07-28 19:01:50,082 INFO L280 TraceCheckUtils]: 12: Hoare triple {678#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {678#false} is VALID [2020-07-28 19:01:50,082 INFO L280 TraceCheckUtils]: 13: Hoare triple {678#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {678#false} is VALID [2020-07-28 19:01:50,083 INFO L280 TraceCheckUtils]: 14: Hoare triple {678#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {678#false} is VALID [2020-07-28 19:01:50,083 INFO L280 TraceCheckUtils]: 15: Hoare triple {678#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {678#false} is VALID [2020-07-28 19:01:50,084 INFO L280 TraceCheckUtils]: 16: Hoare triple {678#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {678#false} is VALID [2020-07-28 19:01:50,084 INFO L280 TraceCheckUtils]: 17: Hoare triple {678#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {678#false} is VALID [2020-07-28 19:01:50,084 INFO L280 TraceCheckUtils]: 18: Hoare triple {678#false} assume !false; {678#false} is VALID [2020-07-28 19:01:50,086 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 19:01:50,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254010917] [2020-07-28 19:01:50,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:50,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:50,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769608313] [2020-07-28 19:01:50,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:50,090 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:50,090 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:50,147 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 19:01:50,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:50,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:50,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:50,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:50,149 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand 3 states. [2020-07-28 19:01:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,368 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2020-07-28 19:01:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:50,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2020-07-28 19:01:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2020-07-28 19:01:50,375 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 129 transitions. [2020-07-28 19:01:50,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:50,518 INFO L225 Difference]: With dead ends: 91 [2020-07-28 19:01:50,518 INFO L226 Difference]: Without dead ends: 41 [2020-07-28 19:01:50,519 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 19:01:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-28 19:01:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-28 19:01:50,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:50,537 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:50,538 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:50,538 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,541 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2020-07-28 19:01:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-07-28 19:01:50,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:50,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:50,542 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:50,542 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-28 19:01:50,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,545 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2020-07-28 19:01:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-07-28 19:01:50,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:50,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:50,546 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:50,547 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-28 19:01:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2020-07-28 19:01:50,549 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 19 [2020-07-28 19:01:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:50,550 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2020-07-28 19:01:50,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-07-28 19:01:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:50,551 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:50,551 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 19:01:50,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:50,552 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:50,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:50,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1440289089, now seen corresponding path program 1 times [2020-07-28 19:01:50,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:50,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477752576] [2020-07-28 19:01:50,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:50,692 INFO L280 TraceCheckUtils]: 0: Hoare triple {952#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {952#true} is VALID [2020-07-28 19:01:50,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {952#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {952#true} is VALID [2020-07-28 19:01:50,694 INFO L280 TraceCheckUtils]: 2: Hoare triple {952#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {954#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:01:50,695 INFO L280 TraceCheckUtils]: 3: Hoare triple {954#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {955#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:01:50,695 INFO L280 TraceCheckUtils]: 4: Hoare triple {955#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {952#true} is VALID [2020-07-28 19:01:50,695 INFO L280 TraceCheckUtils]: 5: Hoare triple {952#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {952#true} is VALID [2020-07-28 19:01:50,695 INFO L280 TraceCheckUtils]: 6: Hoare triple {952#true} assume !false; {952#true} is VALID [2020-07-28 19:01:50,696 INFO L280 TraceCheckUtils]: 7: Hoare triple {952#true} assume test_~splverifierCounter~0 < 4; {952#true} is VALID [2020-07-28 19:01:50,696 INFO L280 TraceCheckUtils]: 8: Hoare triple {952#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; {952#true} is VALID [2020-07-28 19:01:50,696 INFO L280 TraceCheckUtils]: 9: Hoare triple {952#true} assume !(0 != test_~tmp~8); {952#true} is VALID [2020-07-28 19:01:50,697 INFO L280 TraceCheckUtils]: 10: Hoare triple {952#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {952#true} is VALID [2020-07-28 19:01:50,697 INFO L280 TraceCheckUtils]: 11: Hoare triple {952#true} assume !(0 != test_~tmp___0~2); {952#true} is VALID [2020-07-28 19:01:50,697 INFO L280 TraceCheckUtils]: 12: Hoare triple {952#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {952#true} is VALID [2020-07-28 19:01:50,698 INFO L280 TraceCheckUtils]: 13: Hoare triple {952#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {956#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:50,699 INFO L280 TraceCheckUtils]: 14: Hoare triple {956#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {956#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:50,700 INFO L280 TraceCheckUtils]: 15: Hoare triple {956#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {953#false} is VALID [2020-07-28 19:01:50,700 INFO L280 TraceCheckUtils]: 16: Hoare triple {953#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {953#false} is VALID [2020-07-28 19:01:50,701 INFO L280 TraceCheckUtils]: 17: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {953#false} is VALID [2020-07-28 19:01:50,701 INFO L280 TraceCheckUtils]: 18: Hoare triple {953#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {953#false} is VALID [2020-07-28 19:01:50,701 INFO L280 TraceCheckUtils]: 19: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {953#false} is VALID [2020-07-28 19:01:50,701 INFO L280 TraceCheckUtils]: 20: Hoare triple {953#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {953#false} is VALID [2020-07-28 19:01:50,702 INFO L280 TraceCheckUtils]: 21: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {953#false} is VALID [2020-07-28 19:01:50,702 INFO L280 TraceCheckUtils]: 22: Hoare triple {953#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {953#false} is VALID [2020-07-28 19:01:50,703 INFO L280 TraceCheckUtils]: 23: Hoare triple {953#false} assume !false; {953#false} is VALID [2020-07-28 19:01:50,704 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 19:01:50,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477752576] [2020-07-28 19:01:50,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:50,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:50,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113545563] [2020-07-28 19:01:50,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:50,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:50,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:50,739 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 19:01:50,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:50,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:50,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:50,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:50,741 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand 5 states. [2020-07-28 19:01:51,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,197 INFO L93 Difference]: Finished difference Result 101 states and 147 transitions. [2020-07-28 19:01:51,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:01:51,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:51,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 147 transitions. [2020-07-28 19:01:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 147 transitions. [2020-07-28 19:01:51,202 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 147 transitions. [2020-07-28 19:01:51,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:51,380 INFO L225 Difference]: With dead ends: 101 [2020-07-28 19:01:51,380 INFO L226 Difference]: Without dead ends: 66 [2020-07-28 19:01:51,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 19:01:51,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-28 19:01:51,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-07-28 19:01:51,438 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:51,438 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 62 states. [2020-07-28 19:01:51,438 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 62 states. [2020-07-28 19:01:51,439 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 62 states. [2020-07-28 19:01:51,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,441 INFO L93 Difference]: Finished difference Result 66 states and 94 transitions. [2020-07-28 19:01:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-07-28 19:01:51,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,442 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:51,443 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 66 states. [2020-07-28 19:01:51,443 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 66 states. [2020-07-28 19:01:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,446 INFO L93 Difference]: Finished difference Result 66 states and 94 transitions. [2020-07-28 19:01:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-07-28 19:01:51,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:51,447 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:51,447 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-28 19:01:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2020-07-28 19:01:51,449 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 24 [2020-07-28 19:01:51,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:51,450 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2020-07-28 19:01:51,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2020-07-28 19:01:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:51,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:51,451 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 19:01:51,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:51,451 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:51,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:51,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1072133948, now seen corresponding path program 1 times [2020-07-28 19:01:51,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:51,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207281630] [2020-07-28 19:01:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:51,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {1329#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {1331#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,551 INFO L280 TraceCheckUtils]: 2: Hoare triple {1331#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,552 INFO L280 TraceCheckUtils]: 3: Hoare triple {1331#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,553 INFO L280 TraceCheckUtils]: 4: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,553 INFO L280 TraceCheckUtils]: 5: Hoare triple {1331#(= 0 ~pumpRunning~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,554 INFO L280 TraceCheckUtils]: 6: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume !false; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,555 INFO L280 TraceCheckUtils]: 7: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,555 INFO L280 TraceCheckUtils]: 8: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,556 INFO L280 TraceCheckUtils]: 9: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,557 INFO L280 TraceCheckUtils]: 10: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,557 INFO L280 TraceCheckUtils]: 11: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,558 INFO L280 TraceCheckUtils]: 12: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,559 INFO L280 TraceCheckUtils]: 13: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,559 INFO L280 TraceCheckUtils]: 14: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,560 INFO L280 TraceCheckUtils]: 15: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1331#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:51,560 INFO L280 TraceCheckUtils]: 16: Hoare triple {1331#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1330#false} is VALID [2020-07-28 19:01:51,561 INFO L280 TraceCheckUtils]: 17: Hoare triple {1330#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {1330#false} is VALID [2020-07-28 19:01:51,561 INFO L280 TraceCheckUtils]: 18: Hoare triple {1330#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1330#false} is VALID [2020-07-28 19:01:51,561 INFO L280 TraceCheckUtils]: 19: Hoare triple {1330#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1330#false} is VALID [2020-07-28 19:01:51,562 INFO L280 TraceCheckUtils]: 20: Hoare triple {1330#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1330#false} is VALID [2020-07-28 19:01:51,562 INFO L280 TraceCheckUtils]: 21: Hoare triple {1330#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1330#false} is VALID [2020-07-28 19:01:51,562 INFO L280 TraceCheckUtils]: 22: Hoare triple {1330#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {1330#false} is VALID [2020-07-28 19:01:51,563 INFO L280 TraceCheckUtils]: 23: Hoare triple {1330#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1330#false} is VALID [2020-07-28 19:01:51,563 INFO L280 TraceCheckUtils]: 24: Hoare triple {1330#false} assume !false; {1330#false} is VALID [2020-07-28 19:01:51,564 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 19:01:51,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207281630] [2020-07-28 19:01:51,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:51,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:51,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871551095] [2020-07-28 19:01:51,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:51,566 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:51,566 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:51,600 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 19:01:51,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:51,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:51,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:51,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:51,602 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand 3 states. [2020-07-28 19:01:51,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,857 INFO L93 Difference]: Finished difference Result 141 states and 207 transitions. [2020-07-28 19:01:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:51,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:51,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:51,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2020-07-28 19:01:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2020-07-28 19:01:51,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 145 transitions. [2020-07-28 19:01:52,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:52,048 INFO L225 Difference]: With dead ends: 141 [2020-07-28 19:01:52,048 INFO L226 Difference]: Without dead ends: 85 [2020-07-28 19:01:52,049 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 19:01:52,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-28 19:01:52,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2020-07-28 19:01:52,150 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:52,150 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 83 states. [2020-07-28 19:01:52,150 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 83 states. [2020-07-28 19:01:52,151 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 83 states. [2020-07-28 19:01:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:52,154 INFO L93 Difference]: Finished difference Result 85 states and 119 transitions. [2020-07-28 19:01:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-07-28 19:01:52,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:52,155 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:52,155 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 85 states. [2020-07-28 19:01:52,155 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 85 states. [2020-07-28 19:01:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:52,159 INFO L93 Difference]: Finished difference Result 85 states and 119 transitions. [2020-07-28 19:01:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-07-28 19:01:52,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:52,160 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:52,160 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:52,160 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-28 19:01:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 118 transitions. [2020-07-28 19:01:52,164 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 118 transitions. Word has length 25 [2020-07-28 19:01:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:52,165 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 118 transitions. [2020-07-28 19:01:52,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2020-07-28 19:01:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:52,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:52,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:52,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:52,167 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:52,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:52,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2003629676, now seen corresponding path program 1 times [2020-07-28 19:01:52,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:52,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093260590] [2020-07-28 19:01:52,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:52,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {1821#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {1823#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {1823#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,287 INFO L280 TraceCheckUtils]: 3: Hoare triple {1823#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,289 INFO L280 TraceCheckUtils]: 4: Hoare triple {1823#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,290 INFO L280 TraceCheckUtils]: 5: Hoare triple {1823#(= 1 ~waterLevel~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,292 INFO L280 TraceCheckUtils]: 6: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !false; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,293 INFO L280 TraceCheckUtils]: 7: Hoare triple {1823#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,294 INFO L280 TraceCheckUtils]: 8: Hoare triple {1823#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,297 INFO L280 TraceCheckUtils]: 9: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~8); {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,298 INFO L280 TraceCheckUtils]: 10: Hoare triple {1823#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,299 INFO L280 TraceCheckUtils]: 11: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,300 INFO L280 TraceCheckUtils]: 12: Hoare triple {1823#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,301 INFO L280 TraceCheckUtils]: 13: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___1~1 := test_#t~nondet73;havoc test_#t~nondet73; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,301 INFO L280 TraceCheckUtils]: 14: Hoare triple {1823#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~1; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,302 INFO L280 TraceCheckUtils]: 15: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,303 INFO L280 TraceCheckUtils]: 16: Hoare triple {1823#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,303 INFO L280 TraceCheckUtils]: 17: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,304 INFO L280 TraceCheckUtils]: 18: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,305 INFO L280 TraceCheckUtils]: 19: Hoare triple {1823#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~1;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~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,306 INFO L280 TraceCheckUtils]: 20: Hoare triple {1823#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1823#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:52,306 INFO L280 TraceCheckUtils]: 21: Hoare triple {1823#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1824#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:52,307 INFO L280 TraceCheckUtils]: 22: Hoare triple {1824#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1825#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:01:52,308 INFO L280 TraceCheckUtils]: 23: Hoare triple {1825#(= 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~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1822#false} is VALID [2020-07-28 19:01:52,309 INFO L280 TraceCheckUtils]: 24: Hoare triple {1822#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {1822#false} is VALID [2020-07-28 19:01:52,309 INFO L280 TraceCheckUtils]: 25: Hoare triple {1822#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1822#false} is VALID [2020-07-28 19:01:52,309 INFO L280 TraceCheckUtils]: 26: Hoare triple {1822#false} assume !false; {1822#false} is VALID [2020-07-28 19:01:52,311 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 19:01:52,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093260590] [2020-07-28 19:01:52,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:52,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:52,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265221029] [2020-07-28 19:01:52,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:52,313 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:52,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:52,354 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:52,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:52,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:52,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:52,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:52,355 INFO L87 Difference]: Start difference. First operand 83 states and 118 transitions. Second operand 5 states. [2020-07-28 19:01:53,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:53,678 INFO L93 Difference]: Finished difference Result 448 states and 656 transitions. [2020-07-28 19:01:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:53,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:53,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 322 transitions. [2020-07-28 19:01:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 322 transitions. [2020-07-28 19:01:53,690 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 322 transitions. [2020-07-28 19:01:54,073 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 322 edges. 322 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:54,085 INFO L225 Difference]: With dead ends: 448 [2020-07-28 19:01:54,085 INFO L226 Difference]: Without dead ends: 371 [2020-07-28 19:01:54,086 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 19:01:54,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-07-28 19:01:54,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 150. [2020-07-28 19:01:54,318 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:54,318 INFO L82 GeneralOperation]: Start isEquivalent. First operand 371 states. Second operand 150 states. [2020-07-28 19:01:54,319 INFO L74 IsIncluded]: Start isIncluded. First operand 371 states. Second operand 150 states. [2020-07-28 19:01:54,319 INFO L87 Difference]: Start difference. First operand 371 states. Second operand 150 states. [2020-07-28 19:01:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:54,334 INFO L93 Difference]: Finished difference Result 371 states and 526 transitions. [2020-07-28 19:01:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 526 transitions. [2020-07-28 19:01:54,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:54,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:54,336 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 371 states. [2020-07-28 19:01:54,336 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 371 states. [2020-07-28 19:01:54,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:54,354 INFO L93 Difference]: Finished difference Result 371 states and 526 transitions. [2020-07-28 19:01:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 526 transitions. [2020-07-28 19:01:54,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:54,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:54,356 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:54,356 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-28 19:01:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 209 transitions. [2020-07-28 19:01:54,362 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 209 transitions. Word has length 27 [2020-07-28 19:01:54,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:54,362 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 209 transitions. [2020-07-28 19:01:54,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 209 transitions. [2020-07-28 19:01:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:01:54,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:54,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:54,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:54,364 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:54,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:54,365 INFO L82 PathProgramCache]: Analyzing trace with hash 591073878, now seen corresponding path program 1 times [2020-07-28 19:01:54,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:54,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580276498] [2020-07-28 19:01:54,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:54,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:54,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:54,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:54,545 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:54,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:01:54,659 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:54,659 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:54,659 WARN L170 areAnnotationChecker]: L301 has no Hoare annotation [2020-07-28 19:01:54,660 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:01:54,660 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:01:54,660 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:01:54,661 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:54,661 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 19:01:54,661 WARN L170 areAnnotationChecker]: L163-1 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L163-1 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L163-1 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L946 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L897 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L897 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:01:54,662 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:01:54,663 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 19:01:54,663 WARN L170 areAnnotationChecker]: L191-3 has no Hoare annotation [2020-07-28 19:01:54,663 WARN L170 areAnnotationChecker]: L191-3 has no Hoare annotation [2020-07-28 19:01:54,663 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:01:54,663 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:01:54,663 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2020-07-28 19:01:54,668 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2020-07-28 19:01:54,668 WARN L170 areAnnotationChecker]: L732-1 has no Hoare annotation [2020-07-28 19:01:54,668 WARN L170 areAnnotationChecker]: L732-1 has no Hoare annotation [2020-07-28 19:01:54,668 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-28 19:01:54,668 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:01:54,668 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L906-1 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L268-1 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L268-1 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L228-3 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L157-2 has no Hoare annotation [2020-07-28 19:01:54,669 WARN L170 areAnnotationChecker]: L157-2 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L916-1 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L852-3 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L852-3 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L163-3 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L260-1 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 19:01:54,670 WARN L170 areAnnotationChecker]: L852-5 has no Hoare annotation [2020-07-28 19:01:54,671 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:01:54,671 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:01:54,671 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 19:01:54,671 WARN L170 areAnnotationChecker]: L163-2 has no Hoare annotation [2020-07-28 19:01:54,671 WARN L170 areAnnotationChecker]: L163-2 has no Hoare annotation [2020-07-28 19:01:54,671 WARN L170 areAnnotationChecker]: L934-1 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L934-1 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L934 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L934 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L858-1 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L803-1 has no Hoare annotation [2020-07-28 19:01:54,672 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L736-1 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L736-1 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:54,673 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L866-1 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L228-2 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:01:54,674 WARN L170 areAnnotationChecker]: L318-1 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L318-1 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L228-1 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L794-1 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L191-6 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L191-6 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L700-3 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L700-3 has no Hoare annotation [2020-07-28 19:01:54,675 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L769-2 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L769-2 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L732-2 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L732-2 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L707-2 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-28 19:01:54,676 WARN L170 areAnnotationChecker]: L260 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L228-5 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L852-2 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L273-2 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L157-4 has no Hoare annotation [2020-07-28 19:01:54,677 WARN L170 areAnnotationChecker]: L157-4 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L858 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L803 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L852-6 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L852-6 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L163-5 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L260-2 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L736 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L736 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:01:54,678 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L852-8 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L163-4 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L163-4 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L858-2 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L803-2 has no Hoare annotation [2020-07-28 19:01:54,679 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L736-2 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L736-2 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L167-4 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L167-4 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-28 19:01:54,680 WARN L170 areAnnotationChecker]: L228-4 has no Hoare annotation [2020-07-28 19:01:54,681 WARN L170 areAnnotationChecker]: L318-2 has no Hoare annotation [2020-07-28 19:01:54,681 WARN L170 areAnnotationChecker]: L318-2 has no Hoare annotation [2020-07-28 19:01:54,681 WARN L170 areAnnotationChecker]: L794-2 has no Hoare annotation [2020-07-28 19:01:54,681 WARN L170 areAnnotationChecker]: L769-4 has no Hoare annotation [2020-07-28 19:01:54,681 WARN L170 areAnnotationChecker]: L769-4 has no Hoare annotation [2020-07-28 19:01:54,681 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 19:01:54,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:54 BoogieIcfgContainer [2020-07-28 19:01:54,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:54,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:54,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:54,686 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:54,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:48" (3/4) ... [2020-07-28 19:01:54,689 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:54,862 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:54,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:54,869 INFO L168 Benchmark]: Toolchain (without parser) took 8840.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -73.1 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:54,870 INFO L168 Benchmark]: CDTParser took 0.23 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 19:01:54,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:54,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.24 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 19:01:54,871 INFO L168 Benchmark]: Boogie Preprocessor took 71.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:54,871 INFO L168 Benchmark]: RCFGBuilder took 1552.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.8 MB in the end (delta: 150.3 MB). Peak memory consumption was 150.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:54,872 INFO L168 Benchmark]: TraceAbstraction took 6079.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 947.8 MB in the beginning and 1.0 GB in the end (delta: -99.8 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:54,872 INFO L168 Benchmark]: Witness Printer took 176.10 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:54,874 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 0.23 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 866.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.24 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. * Boogie Preprocessor took 71.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1552.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.8 MB in the end (delta: 150.3 MB). Peak memory consumption was 150.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6079.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 947.8 MB in the beginning and 1.0 GB in the end (delta: -99.8 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. * Witness Printer took 176.10 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 318]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L492] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L305] int retValue_acc ; [L308] retValue_acc = 1 [L309] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] int splverifierCounter ; [L888] int tmp ; [L889] int tmp___0 ; [L890] int tmp___1 ; [L891] int tmp___2 ; [L894] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L904] tmp = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L203] COND TRUE waterLevel < 2 [L204] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] tmp___0 = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] tmp___2 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___2)) [L932] tmp___1 = __VERIFIER_nondet_int() [L934] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L866] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L873] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L700] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L707] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L224] int retValue_acc ; [L227] retValue_acc = methaneLevelCritical [L228] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L161] tmp___0 = getWaterLevel() [L163] COND TRUE tmp___0 == 2 [L799] int retValue_acc ; [L802] retValue_acc = pumpRunning [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L165] tmp___1 = isPumpRunning() [L167] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L318] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 393 SDtfs, 570 SDslu, 301 SDs, 0 SdLazy, 58 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 227 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 4660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...