./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product05.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_product05.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 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:01:02,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:02,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:02,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:02,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:02,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:02,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:02,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:02,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:02,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:02,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:02,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:02,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:02,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:02,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:02,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:02,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:02,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:02,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:02,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:02,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:02,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:02,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:02,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:02,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:02,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:02,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:02,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:02,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:02,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:02,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:02,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:02,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:02,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:02,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:02,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:02,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:02,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:02,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:02,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:02,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:02,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:02,814 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:02,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:02,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:02,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:02,817 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:02,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:02,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:02,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:02,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:02,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:02,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:02,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:02,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:02,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:02,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:02,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:02,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:02,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:02,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:02,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:02,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:02,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:02,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:02,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:02,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:02,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:02,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:02,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:02,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:02,824 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 -> 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 [2020-07-28 19:01:03,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:03,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:03,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:03,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:03,169 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:03,170 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2020-07-28 19:01:03,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e381ea0dd/83c1f297a44a460ebd1667abe7aee080/FLAG94f42bad8 [2020-07-28 19:01:03,843 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:03,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2020-07-28 19:01:03,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e381ea0dd/83c1f297a44a460ebd1667abe7aee080/FLAG94f42bad8 [2020-07-28 19:01:04,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e381ea0dd/83c1f297a44a460ebd1667abe7aee080 [2020-07-28 19:01:04,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:04,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:04,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:04,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:04,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:04,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d085cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04, skipping insertion in model container [2020-07-28 19:01:04,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:04,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:04,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:04,608 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:04,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:04,745 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:04,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04 WrapperNode [2020-07-28 19:01:04,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:04,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:04,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:04,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:04,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:04,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:04,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:04,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:04,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (1/1) ... [2020-07-28 19:01:04,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:04,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:04,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:04,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:04,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (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 19:01:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:06,292 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:06,293 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 19:01:06,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:06 BoogieIcfgContainer [2020-07-28 19:01:06,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:06,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:06,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:06,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:06,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:04" (1/3) ... [2020-07-28 19:01:06,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57165270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:06, skipping insertion in model container [2020-07-28 19:01:06,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:04" (2/3) ... [2020-07-28 19:01:06,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57165270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:06, skipping insertion in model container [2020-07-28 19:01:06,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:06" (3/3) ... [2020-07-28 19:01:06,307 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-07-28 19:01:06,318 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:06,326 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:06,341 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:06,366 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:06,367 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:06,367 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:06,367 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:06,368 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:06,368 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:06,368 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:06,369 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 19:01:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:06,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:06,397 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 19:01:06,398 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:06,405 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2020-07-28 19:01:06,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:06,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570267810] [2020-07-28 19:01:06,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:06,711 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);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(21);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(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {78#true} is VALID [2020-07-28 19:01:06,712 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; {78#true} is VALID [2020-07-28 19:01:06,712 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {78#true} is VALID [2020-07-28 19:01:06,713 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; {78#true} is VALID [2020-07-28 19:01:06,713 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~2; {78#true} is VALID [2020-07-28 19:01:06,714 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 19:01:06,715 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 19:01:06,716 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 19:01:06,716 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 19:01:06,716 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 19:01:06,717 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {79#false} is VALID [2020-07-28 19:01:06,717 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {79#false} is VALID [2020-07-28 19:01:06,718 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {79#false} is VALID [2020-07-28 19:01:06,718 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {79#false} is VALID [2020-07-28 19:01:06,718 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {79#false} is VALID [2020-07-28 19:01:06,719 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {79#false} is VALID [2020-07-28 19:01:06,719 INFO L280 TraceCheckUtils]: 16: Hoare triple {79#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {79#false} is VALID [2020-07-28 19:01:06,720 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 19:01:06,724 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 19:01:06,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570267810] [2020-07-28 19:01:06,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:06,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:06,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601639751] [2020-07-28 19:01:06,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:06,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:06,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:06,781 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 19:01:06,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:06,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:06,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:06,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:06,794 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 19:01:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,016 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:01:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:07,017 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:01:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:01:07,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 19:01:07,354 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:07,373 INFO L225 Difference]: With dead ends: 144 [2020-07-28 19:01:07,373 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:01:07,383 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 19:01:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:01:07,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 19:01:07,442 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:07,442 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:07,443 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:07,443 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,452 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:07,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:07,454 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:07,454 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:07,454 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:07,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,471 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:07,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:07,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:07,474 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:07,475 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 19:01:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 19:01:07,487 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2020-07-28 19:01:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:07,488 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 19:01:07,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:07,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:07,498 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 19:01:07,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:07,499 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:07,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:07,501 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2020-07-28 19:01:07,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:07,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290533322] [2020-07-28 19:01:07,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:07,696 INFO L280 TraceCheckUtils]: 0: Hoare triple {533#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);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(21);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(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {533#true} is VALID [2020-07-28 19:01:07,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {533#true} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; {533#true} is VALID [2020-07-28 19:01:07,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {533#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {533#true} is VALID [2020-07-28 19:01:07,698 INFO L280 TraceCheckUtils]: 3: Hoare triple {533#true} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; {533#true} is VALID [2020-07-28 19:01:07,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {533#true} assume 0 != main_~tmp~2; {533#true} is VALID [2020-07-28 19:01:07,699 INFO L280 TraceCheckUtils]: 5: Hoare triple {533#true} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:07,700 INFO L280 TraceCheckUtils]: 6: Hoare triple {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:07,701 INFO L280 TraceCheckUtils]: 7: Hoare triple {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {534#false} is VALID [2020-07-28 19:01:07,701 INFO L280 TraceCheckUtils]: 8: Hoare triple {534#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {534#false} is VALID [2020-07-28 19:01:07,701 INFO L280 TraceCheckUtils]: 9: Hoare triple {534#false} assume !(0 != ~pumpRunning~0); {534#false} is VALID [2020-07-28 19:01:07,701 INFO L280 TraceCheckUtils]: 10: Hoare triple {534#false} assume !(0 != ~systemActive~0); {534#false} is VALID [2020-07-28 19:01:07,702 INFO L280 TraceCheckUtils]: 11: Hoare triple {534#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {534#false} is VALID [2020-07-28 19:01:07,702 INFO L280 TraceCheckUtils]: 12: Hoare triple {534#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {534#false} is VALID [2020-07-28 19:01:07,703 INFO L280 TraceCheckUtils]: 13: Hoare triple {534#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {534#false} is VALID [2020-07-28 19:01:07,703 INFO L280 TraceCheckUtils]: 14: Hoare triple {534#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {534#false} is VALID [2020-07-28 19:01:07,703 INFO L280 TraceCheckUtils]: 15: Hoare triple {534#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {534#false} is VALID [2020-07-28 19:01:07,703 INFO L280 TraceCheckUtils]: 16: Hoare triple {534#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {534#false} is VALID [2020-07-28 19:01:07,704 INFO L280 TraceCheckUtils]: 17: Hoare triple {534#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {534#false} is VALID [2020-07-28 19:01:07,704 INFO L280 TraceCheckUtils]: 18: Hoare triple {534#false} assume !false; {534#false} is VALID [2020-07-28 19:01:07,706 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 19:01:07,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290533322] [2020-07-28 19:01:07,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:07,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:07,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424989441] [2020-07-28 19:01:07,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:07,710 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:07,710 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:07,744 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 19:01:07,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:07,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:07,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:07,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:07,745 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 19:01:07,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:07,947 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:07,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:07,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:07,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:01:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:01:07,955 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:01:08,104 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:08,106 INFO L225 Difference]: With dead ends: 71 [2020-07-28 19:01:08,109 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:01:08,111 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 19:01:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:01:08,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:01:08,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:08,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,132 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,132 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:08,135 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:01:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:08,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:08,136 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:08,136 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,136 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:08,138 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:01:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:08,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:08,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:08,139 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:08,139 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:01:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:01:08,164 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-07-28 19:01:08,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:08,164 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:01:08,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:08,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:08,165 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 19:01:08,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:08,166 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:08,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:08,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2020-07-28 19:01:08,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:08,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176314946] [2020-07-28 19:01:08,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:08,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {752#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);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(21);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(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,358 INFO L280 TraceCheckUtils]: 1: Hoare triple {754#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,359 INFO L280 TraceCheckUtils]: 2: Hoare triple {754#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,359 INFO L280 TraceCheckUtils]: 3: Hoare triple {754#(= 1 ~systemActive~0)} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,360 INFO L280 TraceCheckUtils]: 4: Hoare triple {754#(= 1 ~systemActive~0)} assume 0 != main_~tmp~2; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,361 INFO L280 TraceCheckUtils]: 5: Hoare triple {754#(= 1 ~systemActive~0)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,362 INFO L280 TraceCheckUtils]: 6: Hoare triple {754#(= 1 ~systemActive~0)} assume !false; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,362 INFO L280 TraceCheckUtils]: 7: Hoare triple {754#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,363 INFO L280 TraceCheckUtils]: 8: Hoare triple {754#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,364 INFO L280 TraceCheckUtils]: 9: Hoare triple {754#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~1); {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,364 INFO L280 TraceCheckUtils]: 10: Hoare triple {754#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,365 INFO L280 TraceCheckUtils]: 11: Hoare triple {754#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,366 INFO L280 TraceCheckUtils]: 12: Hoare triple {754#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,367 INFO L280 TraceCheckUtils]: 13: Hoare triple {754#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,368 INFO L280 TraceCheckUtils]: 14: Hoare triple {754#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:08,369 INFO L280 TraceCheckUtils]: 15: Hoare triple {754#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {753#false} is VALID [2020-07-28 19:01:08,369 INFO L280 TraceCheckUtils]: 16: Hoare triple {753#false} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {753#false} is VALID [2020-07-28 19:01:08,369 INFO L280 TraceCheckUtils]: 17: Hoare triple {753#false} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {753#false} is VALID [2020-07-28 19:01:08,370 INFO L280 TraceCheckUtils]: 18: Hoare triple {753#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {753#false} is VALID [2020-07-28 19:01:08,370 INFO L280 TraceCheckUtils]: 19: Hoare triple {753#false} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {753#false} is VALID [2020-07-28 19:01:08,370 INFO L280 TraceCheckUtils]: 20: Hoare triple {753#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {753#false} is VALID [2020-07-28 19:01:08,371 INFO L280 TraceCheckUtils]: 21: Hoare triple {753#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {753#false} is VALID [2020-07-28 19:01:08,371 INFO L280 TraceCheckUtils]: 22: Hoare triple {753#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {753#false} is VALID [2020-07-28 19:01:08,371 INFO L280 TraceCheckUtils]: 23: Hoare triple {753#false} assume !false; {753#false} is VALID [2020-07-28 19:01:08,373 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 19:01:08,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176314946] [2020-07-28 19:01:08,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:08,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:08,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577609678] [2020-07-28 19:01:08,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:08,375 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:08,376 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:08,416 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 19:01:08,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:08,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:08,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:08,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:08,417 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 19:01:08,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:08,534 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 19:01:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:08,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:08,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 19:01:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 19:01:08,539 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 86 transitions. [2020-07-28 19:01:08,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:08,644 INFO L225 Difference]: With dead ends: 60 [2020-07-28 19:01:08,644 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:01:08,645 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 19:01:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:01:08,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:01:08,666 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:08,666 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,667 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,667 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:08,669 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:01:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:08,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:08,670 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:08,670 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,670 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:08,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:08,672 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:01:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:08,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:08,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:08,673 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:08,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:01:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 19:01:08,675 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-07-28 19:01:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:08,676 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 19:01:08,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:08,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:08,677 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 19:01:08,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:08,678 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:08,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:08,679 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2020-07-28 19:01:08,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:08,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028110536] [2020-07-28 19:01:08,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:08,817 INFO L280 TraceCheckUtils]: 0: Hoare triple {952#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);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(21);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(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,818 INFO L280 TraceCheckUtils]: 1: Hoare triple {954#(<= ~waterLevel~0 1)} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,819 INFO L280 TraceCheckUtils]: 2: Hoare triple {954#(<= ~waterLevel~0 1)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,820 INFO L280 TraceCheckUtils]: 3: Hoare triple {954#(<= ~waterLevel~0 1)} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,821 INFO L280 TraceCheckUtils]: 4: Hoare triple {954#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~2; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,822 INFO L280 TraceCheckUtils]: 5: Hoare triple {954#(<= ~waterLevel~0 1)} havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,823 INFO L280 TraceCheckUtils]: 6: Hoare triple {954#(<= ~waterLevel~0 1)} assume !false; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,824 INFO L280 TraceCheckUtils]: 7: Hoare triple {954#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0 < 4; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,825 INFO L280 TraceCheckUtils]: 8: Hoare triple {954#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet19 && test_#t~nondet19 <= 2147483647;test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,825 INFO L280 TraceCheckUtils]: 9: Hoare triple {954#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~1); {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,826 INFO L280 TraceCheckUtils]: 10: Hoare triple {954#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,827 INFO L280 TraceCheckUtils]: 11: Hoare triple {954#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~0); {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,828 INFO L280 TraceCheckUtils]: 12: Hoare triple {954#(<= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,828 INFO L280 TraceCheckUtils]: 13: Hoare triple {954#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,829 INFO L280 TraceCheckUtils]: 14: Hoare triple {954#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,830 INFO L280 TraceCheckUtils]: 15: Hoare triple {954#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,832 INFO L280 TraceCheckUtils]: 16: Hoare triple {954#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,833 INFO L280 TraceCheckUtils]: 17: Hoare triple {954#(<= ~waterLevel~0 1)} havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,833 INFO L280 TraceCheckUtils]: 18: Hoare triple {954#(<= ~waterLevel~0 1)} __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {954#(<= ~waterLevel~0 1)} is VALID [2020-07-28 19:01:08,834 INFO L280 TraceCheckUtils]: 19: Hoare triple {954#(<= ~waterLevel~0 1)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {955#(<= |ULTIMATE.start_getWaterLevel_#res| 1)} is VALID [2020-07-28 19:01:08,835 INFO L280 TraceCheckUtils]: 20: Hoare triple {955#(<= |ULTIMATE.start_getWaterLevel_#res| 1)} __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {956#(<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} is VALID [2020-07-28 19:01:08,836 INFO L280 TraceCheckUtils]: 21: Hoare triple {956#(<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {953#false} is VALID [2020-07-28 19:01:08,836 INFO L280 TraceCheckUtils]: 22: Hoare triple {953#false} __utac_acc__Specification3_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {953#false} is VALID [2020-07-28 19:01:08,837 INFO L280 TraceCheckUtils]: 23: Hoare triple {953#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {953#false} is VALID [2020-07-28 19:01:08,837 INFO L280 TraceCheckUtils]: 24: Hoare triple {953#false} assume !false; {953#false} is VALID [2020-07-28 19:01:08,838 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 19:01:08,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028110536] [2020-07-28 19:01:08,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:08,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:08,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222055255] [2020-07-28 19:01:08,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:08,840 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:08,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:08,875 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 19:01:08,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:08,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:08,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:08,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:08,876 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-07-28 19:01:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:09,572 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2020-07-28 19:01:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:09,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:09,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 234 transitions. [2020-07-28 19:01:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 234 transitions. [2020-07-28 19:01:09,579 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 234 transitions. [2020-07-28 19:01:09,861 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:09,866 INFO L225 Difference]: With dead ends: 158 [2020-07-28 19:01:09,866 INFO L226 Difference]: Without dead ends: 131 [2020-07-28 19:01:09,867 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 19:01:09,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-28 19:01:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2020-07-28 19:01:09,943 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:09,943 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:09,944 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:09,944 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:09,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:09,950 INFO L93 Difference]: Finished difference Result 131 states and 191 transitions. [2020-07-28 19:01:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2020-07-28 19:01:09,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:09,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:09,952 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 131 states. [2020-07-28 19:01:09,952 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 131 states. [2020-07-28 19:01:09,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:09,958 INFO L93 Difference]: Finished difference Result 131 states and 191 transitions. [2020-07-28 19:01:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2020-07-28 19:01:09,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:09,959 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:09,959 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:09,959 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 19:01:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-07-28 19:01:09,962 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 25 [2020-07-28 19:01:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:09,962 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-07-28 19:01:09,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-07-28 19:01:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:09,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:09,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:09,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:09,964 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:09,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:09,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2020-07-28 19:01:09,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:09,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66277133] [2020-07-28 19:01:09,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:10,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:10,063 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:10,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:10,105 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:10,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:10,222 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:10,223 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:10,223 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:10,224 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:01:10,224 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-28 19:01:10,224 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-28 19:01:10,224 WARN L170 areAnnotationChecker]: L356 has no Hoare annotation [2020-07-28 19:01:10,224 WARN L170 areAnnotationChecker]: L379-1 has no Hoare annotation [2020-07-28 19:01:10,224 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-28 19:01:10,225 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-28 19:01:10,225 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-28 19:01:10,225 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-28 19:01:10,225 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2020-07-28 19:01:10,225 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-28 19:01:10,226 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-28 19:01:10,226 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:10,226 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-28 19:01:10,226 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-28 19:01:10,226 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2020-07-28 19:01:10,227 WARN L170 areAnnotationChecker]: L766-3 has no Hoare annotation [2020-07-28 19:01:10,227 WARN L170 areAnnotationChecker]: L766-3 has no Hoare annotation [2020-07-28 19:01:10,227 WARN L170 areAnnotationChecker]: L103-2 has no Hoare annotation [2020-07-28 19:01:10,227 WARN L170 areAnnotationChecker]: L103-2 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L110-1 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L252-1 has no Hoare annotation [2020-07-28 19:01:10,229 WARN L170 areAnnotationChecker]: L803-2 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L803-3 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L179-1 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L849-2 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L849-2 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 19:01:10,230 WARN L170 areAnnotationChecker]: L262-1 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L855-3 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L835-1 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-28 19:01:10,231 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-28 19:01:10,232 WARN L170 areAnnotationChecker]: L855-2 has no Hoare annotation [2020-07-28 19:01:10,232 WARN L170 areAnnotationChecker]: L855-2 has no Hoare annotation [2020-07-28 19:01:10,232 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-28 19:01:10,232 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-28 19:01:10,232 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2020-07-28 19:01:10,233 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2020-07-28 19:01:10,233 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:01:10,233 WARN L170 areAnnotationChecker]: L188-1 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L859-2 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L859-2 has no Hoare annotation [2020-07-28 19:01:10,234 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L312-1 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L312-1 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L803 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L803-1 has no Hoare annotation [2020-07-28 19:01:10,235 WARN L170 areAnnotationChecker]: L766-6 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L766-6 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L103-3 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L103-3 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-28 19:01:10,236 WARN L170 areAnnotationChecker]: L110-2 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L835 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L803-4 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L803-5 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L179-2 has no Hoare annotation [2020-07-28 19:01:10,237 WARN L170 areAnnotationChecker]: L849-4 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L849-4 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L855-5 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L835-2 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:01:10,238 WARN L170 areAnnotationChecker]: L855-4 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L855-4 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L188-2 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L859-4 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L859-4 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 19:01:10,239 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 19:01:10,240 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 19:01:10,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:10 BoogieIcfgContainer [2020-07-28 19:01:10,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:10,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:10,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:10,244 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:10,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:06" (3/4) ... [2020-07-28 19:01:10,246 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:10,415 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:10,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:10,419 INFO L168 Benchmark]: Toolchain (without parser) took 6333.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 960.2 MB in the beginning and 894.6 MB in the end (delta: 65.7 MB). Peak memory consumption was 266.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:10,419 INFO L168 Benchmark]: CDTParser took 0.83 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 19:01:10,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:10,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:10,422 INFO L168 Benchmark]: Boogie Preprocessor took 46.20 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 19:01:10,422 INFO L168 Benchmark]: RCFGBuilder took 1403.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.7 MB in the end (delta: 147.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:10,426 INFO L168 Benchmark]: TraceAbstraction took 3943.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 943.7 MB in the beginning and 917.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:10,426 INFO L168 Benchmark]: Witness Printer took 172.41 ms. Allocated memory is still 1.2 GB. Free memory was 917.9 MB in the beginning and 894.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:10,428 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 0.83 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 658.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1403.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 943.7 MB in the end (delta: 147.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3943.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 943.7 MB in the beginning and 917.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * Witness Printer took 172.41 ms. Allocated memory is still 1.2 GB. Free memory was 917.9 MB in the beginning and 894.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L370] int retValue_acc ; [L371] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) [L132] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 243 SDslu, 170 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...