./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product06.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_spec2_product06.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 2ad80e2d7767134fb761a45d54a404219df99a16 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:59:04,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:04,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:04,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:04,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:04,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:04,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:04,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:04,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:04,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:04,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:04,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:04,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:04,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:04,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:04,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:04,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:04,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:04,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:04,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:04,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:04,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:04,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:04,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:04,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:04,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:04,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:04,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:04,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:04,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:04,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:04,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:04,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:04,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:04,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:04,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:04,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:04,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:04,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:04,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:04,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:04,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:04,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:04,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:04,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:04,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:04,690 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:04,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:04,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:04,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:04,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:04,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:04,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:04,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:04,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:04,693 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:04,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:04,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:04,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:04,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:04,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:04,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:04,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:04,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:04,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:04,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:04,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:04,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:04,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:04,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:04,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:04,696 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 -> 2ad80e2d7767134fb761a45d54a404219df99a16 [2020-07-28 18:59:05,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:05,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:05,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:05,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:05,066 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:05,067 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-07-28 18:59:05,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3128cf031/695bdbd29b594c4db623e727be1e5e50/FLAG46167e5ab [2020-07-28 18:59:05,684 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:05,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-07-28 18:59:05,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3128cf031/695bdbd29b594c4db623e727be1e5e50/FLAG46167e5ab [2020-07-28 18:59:05,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3128cf031/695bdbd29b594c4db623e727be1e5e50 [2020-07-28 18:59:05,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:05,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:05,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:05,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:05,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:05,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:05" (1/1) ... [2020-07-28 18:59:05,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251766c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:05, skipping insertion in model container [2020-07-28 18:59:05,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:05" (1/1) ... [2020-07-28 18:59:05,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:06,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:06,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:06,537 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:06,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:06,671 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:06,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06 WrapperNode [2020-07-28 18:59:06,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:06,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:06,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:06,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:06,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:06,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:06,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:06,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:06,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... [2020-07-28 18:59:06,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:06,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:06,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:06,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:06,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:08,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:08,173 INFO L295 CfgBuilder]: Removed 100 assume(true) statements. [2020-07-28 18:59:08,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:08 BoogieIcfgContainer [2020-07-28 18:59:08,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:08,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:08,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:08,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:08,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:05" (1/3) ... [2020-07-28 18:59:08,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce0be84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:08, skipping insertion in model container [2020-07-28 18:59:08,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:06" (2/3) ... [2020-07-28 18:59:08,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce0be84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:08, skipping insertion in model container [2020-07-28 18:59:08,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:08" (3/3) ... [2020-07-28 18:59:08,188 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-07-28 18:59:08,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:08,208 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:08,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:08,245 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:08,246 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:08,246 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:08,246 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:08,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:08,248 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:08,248 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:08,248 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-07-28 18:59:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:08,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:08,276 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 18:59:08,276 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:08,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:08,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1295986076, now seen corresponding path program 1 times [2020-07-28 18:59:08,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:08,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872116774] [2020-07-28 18:59:08,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:08,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {76#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {76#true} is VALID [2020-07-28 18:59:08,655 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {76#true} is VALID [2020-07-28 18:59:08,656 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#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; {76#true} is VALID [2020-07-28 18:59:08,657 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {76#true} is VALID [2020-07-28 18:59:08,657 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#true} assume 0 != main_~tmp~6; {76#true} is VALID [2020-07-28 18:59:08,658 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#true} ~methAndRunningLastTime~0 := 0; {76#true} is VALID [2020-07-28 18:59:08,658 INFO L280 TraceCheckUtils]: 6: Hoare triple {76#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {76#true} is VALID [2020-07-28 18:59:08,660 INFO L280 TraceCheckUtils]: 7: Hoare triple {76#true} assume false; {77#false} is VALID [2020-07-28 18:59:08,660 INFO L280 TraceCheckUtils]: 8: Hoare triple {77#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {77#false} is VALID [2020-07-28 18:59:08,661 INFO L280 TraceCheckUtils]: 9: Hoare triple {77#false} assume !(0 != ~pumpRunning~0); {77#false} is VALID [2020-07-28 18:59:08,661 INFO L280 TraceCheckUtils]: 10: Hoare triple {77#false} assume !(0 != ~systemActive~0); {77#false} is VALID [2020-07-28 18:59:08,662 INFO L280 TraceCheckUtils]: 11: Hoare triple {77#false} havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {77#false} is VALID [2020-07-28 18:59:08,662 INFO L280 TraceCheckUtils]: 12: Hoare triple {77#false} __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret33 && __utac_acc__Specification2_spec__2_#t~ret33 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; {77#false} is VALID [2020-07-28 18:59:08,663 INFO L280 TraceCheckUtils]: 13: Hoare triple {77#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;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; {77#false} is VALID [2020-07-28 18:59:08,663 INFO L280 TraceCheckUtils]: 14: Hoare triple {77#false} __utac_acc__Specification2_spec__2_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret34 && __utac_acc__Specification2_spec__2_#t~ret34 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret34;havoc __utac_acc__Specification2_spec__2_#t~ret34; {77#false} is VALID [2020-07-28 18:59:08,664 INFO L280 TraceCheckUtils]: 15: Hoare triple {77#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {77#false} is VALID [2020-07-28 18:59:08,664 INFO L280 TraceCheckUtils]: 16: Hoare triple {77#false} assume 0 != ~methAndRunningLastTime~0; {77#false} is VALID [2020-07-28 18:59:08,665 INFO L280 TraceCheckUtils]: 17: Hoare triple {77#false} assume !false; {77#false} is VALID [2020-07-28 18:59:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:08,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872116774] [2020-07-28 18:59:08,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:08,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:08,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401688991] [2020-07-28 18:59:08,680 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:08,682 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:08,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:08,732 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 18:59:08,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:08,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:08,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:08,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:08,746 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2020-07-28 18:59:08,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:08,946 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2020-07-28 18:59:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:08,947 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:08,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 210 transitions. [2020-07-28 18:59:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 210 transitions. [2020-07-28 18:59:08,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 210 transitions. [2020-07-28 18:59:09,271 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:09,285 INFO L225 Difference]: With dead ends: 139 [2020-07-28 18:59:09,285 INFO L226 Difference]: Without dead ends: 69 [2020-07-28 18:59:09,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:09,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-28 18:59:09,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-07-28 18:59:09,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:09,339 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2020-07-28 18:59:09,339 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2020-07-28 18:59:09,339 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2020-07-28 18:59:09,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,347 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-07-28 18:59:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-07-28 18:59:09,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,349 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2020-07-28 18:59:09,349 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2020-07-28 18:59:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,356 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-07-28 18:59:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-07-28 18:59:09,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,358 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:09,358 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-28 18:59:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-07-28 18:59:09,365 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-07-28 18:59:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:09,366 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-07-28 18:59:09,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-07-28 18:59:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:09,368 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:09,368 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 18:59:09,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:09,369 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:09,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:09,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1514822045, now seen corresponding path program 1 times [2020-07-28 18:59:09,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:09,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272711808] [2020-07-28 18:59:09,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:09,477 INFO L280 TraceCheckUtils]: 0: Hoare triple {516#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {516#true} is VALID [2020-07-28 18:59:09,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {516#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {516#true} is VALID [2020-07-28 18:59:09,478 INFO L280 TraceCheckUtils]: 2: Hoare triple {516#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; {516#true} is VALID [2020-07-28 18:59:09,478 INFO L280 TraceCheckUtils]: 3: Hoare triple {516#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {516#true} is VALID [2020-07-28 18:59:09,478 INFO L280 TraceCheckUtils]: 4: Hoare triple {516#true} assume 0 != main_~tmp~6; {516#true} is VALID [2020-07-28 18:59:09,479 INFO L280 TraceCheckUtils]: 5: Hoare triple {516#true} ~methAndRunningLastTime~0 := 0; {516#true} is VALID [2020-07-28 18:59:09,480 INFO L280 TraceCheckUtils]: 6: Hoare triple {516#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {518#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:09,481 INFO L280 TraceCheckUtils]: 7: Hoare triple {518#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {518#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:09,482 INFO L280 TraceCheckUtils]: 8: Hoare triple {518#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {517#false} is VALID [2020-07-28 18:59:09,482 INFO L280 TraceCheckUtils]: 9: Hoare triple {517#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {517#false} is VALID [2020-07-28 18:59:09,483 INFO L280 TraceCheckUtils]: 10: Hoare triple {517#false} assume !(0 != ~pumpRunning~0); {517#false} is VALID [2020-07-28 18:59:09,483 INFO L280 TraceCheckUtils]: 11: Hoare triple {517#false} assume !(0 != ~systemActive~0); {517#false} is VALID [2020-07-28 18:59:09,483 INFO L280 TraceCheckUtils]: 12: Hoare triple {517#false} havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {517#false} is VALID [2020-07-28 18:59:09,484 INFO L280 TraceCheckUtils]: 13: Hoare triple {517#false} __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret33 && __utac_acc__Specification2_spec__2_#t~ret33 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; {517#false} is VALID [2020-07-28 18:59:09,484 INFO L280 TraceCheckUtils]: 14: Hoare triple {517#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;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; {517#false} is VALID [2020-07-28 18:59:09,484 INFO L280 TraceCheckUtils]: 15: Hoare triple {517#false} __utac_acc__Specification2_spec__2_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret34 && __utac_acc__Specification2_spec__2_#t~ret34 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret34;havoc __utac_acc__Specification2_spec__2_#t~ret34; {517#false} is VALID [2020-07-28 18:59:09,485 INFO L280 TraceCheckUtils]: 16: Hoare triple {517#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {517#false} is VALID [2020-07-28 18:59:09,485 INFO L280 TraceCheckUtils]: 17: Hoare triple {517#false} assume 0 != ~methAndRunningLastTime~0; {517#false} is VALID [2020-07-28 18:59:09,485 INFO L280 TraceCheckUtils]: 18: Hoare triple {517#false} assume !false; {517#false} is VALID [2020-07-28 18:59:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:09,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272711808] [2020-07-28 18:59:09,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:09,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:09,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219892691] [2020-07-28 18:59:09,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:09,490 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:09,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:09,523 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 18:59:09,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:09,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:09,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:09,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:09,525 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2020-07-28 18:59:09,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,748 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-07-28 18:59:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:09,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:09,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2020-07-28 18:59:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2020-07-28 18:59:09,754 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 97 transitions. [2020-07-28 18:59:09,879 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:09,880 INFO L225 Difference]: With dead ends: 69 [2020-07-28 18:59:09,880 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:59:09,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:09,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:59:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:59:09,897 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:09,897 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:09,897 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:09,898 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:09,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,900 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:59:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:59:09,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,902 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:09,902 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:09,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:09,904 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:59:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:59:09,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:09,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:09,906 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:09,906 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:59:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 18:59:09,909 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-07-28 18:59:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:09,909 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 18:59:09,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:59:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:09,911 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:09,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:09,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:09,912 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:09,913 INFO L82 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2020-07-28 18:59:09,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:09,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099731074] [2020-07-28 18:59:09,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:10,050 INFO L280 TraceCheckUtils]: 0: Hoare triple {733#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {733#true} is VALID [2020-07-28 18:59:10,051 INFO L280 TraceCheckUtils]: 1: Hoare triple {733#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {733#true} is VALID [2020-07-28 18:59:10,051 INFO L280 TraceCheckUtils]: 2: Hoare triple {733#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; {733#true} is VALID [2020-07-28 18:59:10,051 INFO L280 TraceCheckUtils]: 3: Hoare triple {733#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {733#true} is VALID [2020-07-28 18:59:10,051 INFO L280 TraceCheckUtils]: 4: Hoare triple {733#true} assume 0 != main_~tmp~6; {733#true} is VALID [2020-07-28 18:59:10,052 INFO L280 TraceCheckUtils]: 5: Hoare triple {733#true} ~methAndRunningLastTime~0 := 0; {733#true} is VALID [2020-07-28 18:59:10,052 INFO L280 TraceCheckUtils]: 6: Hoare triple {733#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {733#true} is VALID [2020-07-28 18:59:10,052 INFO L280 TraceCheckUtils]: 7: Hoare triple {733#true} assume !false; {733#true} is VALID [2020-07-28 18:59:10,053 INFO L280 TraceCheckUtils]: 8: Hoare triple {733#true} assume test_~splverifierCounter~0 < 4; {733#true} is VALID [2020-07-28 18:59:10,053 INFO L280 TraceCheckUtils]: 9: Hoare triple {733#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {733#true} is VALID [2020-07-28 18:59:10,053 INFO L280 TraceCheckUtils]: 10: Hoare triple {733#true} assume !(0 != test_~tmp~0); {733#true} is VALID [2020-07-28 18:59:10,054 INFO L280 TraceCheckUtils]: 11: Hoare triple {733#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {733#true} is VALID [2020-07-28 18:59:10,054 INFO L280 TraceCheckUtils]: 12: Hoare triple {733#true} assume !(0 != test_~tmp___0~0); {733#true} is VALID [2020-07-28 18:59:10,055 INFO L280 TraceCheckUtils]: 13: Hoare triple {733#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {733#true} is VALID [2020-07-28 18:59:10,056 INFO L280 TraceCheckUtils]: 14: Hoare triple {733#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {735#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:10,057 INFO L280 TraceCheckUtils]: 15: Hoare triple {735#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {735#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:10,058 INFO L280 TraceCheckUtils]: 16: Hoare triple {735#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {734#false} is VALID [2020-07-28 18:59:10,058 INFO L280 TraceCheckUtils]: 17: Hoare triple {734#false} havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {734#false} is VALID [2020-07-28 18:59:10,058 INFO L280 TraceCheckUtils]: 18: Hoare triple {734#false} __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret33 && __utac_acc__Specification2_spec__2_#t~ret33 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; {734#false} is VALID [2020-07-28 18:59:10,059 INFO L280 TraceCheckUtils]: 19: Hoare triple {734#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;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; {734#false} is VALID [2020-07-28 18:59:10,059 INFO L280 TraceCheckUtils]: 20: Hoare triple {734#false} __utac_acc__Specification2_spec__2_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret34 && __utac_acc__Specification2_spec__2_#t~ret34 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret34;havoc __utac_acc__Specification2_spec__2_#t~ret34; {734#false} is VALID [2020-07-28 18:59:10,059 INFO L280 TraceCheckUtils]: 21: Hoare triple {734#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {734#false} is VALID [2020-07-28 18:59:10,060 INFO L280 TraceCheckUtils]: 22: Hoare triple {734#false} assume 0 != ~methAndRunningLastTime~0; {734#false} is VALID [2020-07-28 18:59:10,060 INFO L280 TraceCheckUtils]: 23: Hoare triple {734#false} assume !false; {734#false} is VALID [2020-07-28 18:59:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:10,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099731074] [2020-07-28 18:59:10,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:10,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:10,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975998385] [2020-07-28 18:59:10,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:10,063 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:10,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:10,097 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:10,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:10,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:10,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:10,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:10,098 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 18:59:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:10,267 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-07-28 18:59:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:10,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2020-07-28 18:59:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2020-07-28 18:59:10,275 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 85 transitions. [2020-07-28 18:59:10,398 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:10,400 INFO L225 Difference]: With dead ends: 59 [2020-07-28 18:59:10,400 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:59:10,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:10,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:59:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:59:10,430 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:10,431 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:10,431 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:10,431 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:10,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:10,436 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 18:59:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:59:10,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:10,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:10,437 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:10,437 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:59:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:10,442 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 18:59:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:59:10,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:10,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:10,445 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:10,445 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:59:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 18:59:10,448 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-07-28 18:59:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:10,448 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 18:59:10,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:10,449 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:59:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:10,450 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:10,450 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 18:59:10,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:10,450 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2020-07-28 18:59:10,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:10,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261747621] [2020-07-28 18:59:10,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:10,536 INFO L280 TraceCheckUtils]: 0: Hoare triple {934#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,537 INFO L280 TraceCheckUtils]: 1: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,538 INFO L280 TraceCheckUtils]: 2: Hoare triple {936#(= 0 ~methaneLevelCritical~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; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,539 INFO L280 TraceCheckUtils]: 3: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~6; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,540 INFO L280 TraceCheckUtils]: 5: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,541 INFO L280 TraceCheckUtils]: 6: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,542 INFO L280 TraceCheckUtils]: 7: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume !false; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,543 INFO L280 TraceCheckUtils]: 8: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,543 INFO L280 TraceCheckUtils]: 9: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,544 INFO L280 TraceCheckUtils]: 10: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~0); {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,545 INFO L280 TraceCheckUtils]: 11: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,546 INFO L280 TraceCheckUtils]: 12: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,546 INFO L280 TraceCheckUtils]: 13: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,547 INFO L280 TraceCheckUtils]: 14: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,548 INFO L280 TraceCheckUtils]: 15: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,549 INFO L280 TraceCheckUtils]: 16: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,550 INFO L280 TraceCheckUtils]: 17: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {936#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:10,551 INFO L280 TraceCheckUtils]: 18: Hoare triple {936#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {937#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:10,552 INFO L280 TraceCheckUtils]: 19: Hoare triple {937#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret33 && __utac_acc__Specification2_spec__2_#t~ret33 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; {938#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~2)} is VALID [2020-07-28 18:59:10,552 INFO L280 TraceCheckUtils]: 20: Hoare triple {938#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~2)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;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; {935#false} is VALID [2020-07-28 18:59:10,553 INFO L280 TraceCheckUtils]: 21: Hoare triple {935#false} __utac_acc__Specification2_spec__2_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret34 && __utac_acc__Specification2_spec__2_#t~ret34 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret34;havoc __utac_acc__Specification2_spec__2_#t~ret34; {935#false} is VALID [2020-07-28 18:59:10,553 INFO L280 TraceCheckUtils]: 22: Hoare triple {935#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {935#false} is VALID [2020-07-28 18:59:10,553 INFO L280 TraceCheckUtils]: 23: Hoare triple {935#false} assume 0 != ~methAndRunningLastTime~0; {935#false} is VALID [2020-07-28 18:59:10,553 INFO L280 TraceCheckUtils]: 24: Hoare triple {935#false} assume !false; {935#false} is VALID [2020-07-28 18:59:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:10,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261747621] [2020-07-28 18:59:10,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:10,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:10,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824877673] [2020-07-28 18:59:10,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:10,556 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:10,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:10,591 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 18:59:10,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:10,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:10,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:10,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:10,593 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-07-28 18:59:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:11,196 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-07-28 18:59:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:11,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:11,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 200 transitions. [2020-07-28 18:59:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 200 transitions. [2020-07-28 18:59:11,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 200 transitions. [2020-07-28 18:59:11,425 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 200 edges. 200 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:11,430 INFO L225 Difference]: With dead ends: 135 [2020-07-28 18:59:11,430 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 18:59:11,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 18:59:11,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-07-28 18:59:11,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:11,488 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 54 states. [2020-07-28 18:59:11,488 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 54 states. [2020-07-28 18:59:11,489 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 54 states. [2020-07-28 18:59:11,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:11,494 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:59:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:59:11,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:11,495 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:11,495 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand 109 states. [2020-07-28 18:59:11,496 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 109 states. [2020-07-28 18:59:11,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:11,501 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:59:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:59:11,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:11,502 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:11,502 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:11,502 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-28 18:59:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-07-28 18:59:11,505 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-07-28 18:59:11,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:11,505 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-07-28 18:59:11,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-07-28 18:59:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:11,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:11,507 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 18:59:11,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:11,507 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:11,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2020-07-28 18:59:11,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:11,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829364730] [2020-07-28 18:59:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:11,585 INFO L280 TraceCheckUtils]: 0: Hoare triple {1437#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,586 INFO L280 TraceCheckUtils]: 1: Hoare triple {1439#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,587 INFO L280 TraceCheckUtils]: 2: Hoare triple {1439#(= 0 ~pumpRunning~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; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,588 INFO L280 TraceCheckUtils]: 3: Hoare triple {1439#(= 0 ~pumpRunning~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,591 INFO L280 TraceCheckUtils]: 4: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,595 INFO L280 TraceCheckUtils]: 5: Hoare triple {1439#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,595 INFO L280 TraceCheckUtils]: 6: Hoare triple {1439#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,596 INFO L280 TraceCheckUtils]: 7: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume !false; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,597 INFO L280 TraceCheckUtils]: 8: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,597 INFO L280 TraceCheckUtils]: 9: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,598 INFO L280 TraceCheckUtils]: 10: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,599 INFO L280 TraceCheckUtils]: 11: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,599 INFO L280 TraceCheckUtils]: 12: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,600 INFO L280 TraceCheckUtils]: 13: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,601 INFO L280 TraceCheckUtils]: 14: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,601 INFO L280 TraceCheckUtils]: 15: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,602 INFO L280 TraceCheckUtils]: 16: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,603 INFO L280 TraceCheckUtils]: 17: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,603 INFO L280 TraceCheckUtils]: 18: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,604 INFO L280 TraceCheckUtils]: 19: Hoare triple {1439#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,604 INFO L280 TraceCheckUtils]: 20: Hoare triple {1439#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret33 && __utac_acc__Specification2_spec__2_#t~ret33 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; {1439#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:11,605 INFO L280 TraceCheckUtils]: 21: Hoare triple {1439#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;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; {1440#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:11,606 INFO L280 TraceCheckUtils]: 22: Hoare triple {1440#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret34 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret34 && __utac_acc__Specification2_spec__2_#t~ret34 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret34;havoc __utac_acc__Specification2_spec__2_#t~ret34; {1441#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} is VALID [2020-07-28 18:59:11,607 INFO L280 TraceCheckUtils]: 23: Hoare triple {1441#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {1438#false} is VALID [2020-07-28 18:59:11,607 INFO L280 TraceCheckUtils]: 24: Hoare triple {1438#false} assume 0 != ~methAndRunningLastTime~0; {1438#false} is VALID [2020-07-28 18:59:11,608 INFO L280 TraceCheckUtils]: 25: Hoare triple {1438#false} assume !false; {1438#false} is VALID [2020-07-28 18:59:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:11,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829364730] [2020-07-28 18:59:11,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:11,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:11,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755499481] [2020-07-28 18:59:11,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:11,610 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:11,610 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:11,647 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:11,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:11,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:11,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:11,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:11,648 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-07-28 18:59:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:12,132 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-07-28 18:59:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:12,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2020-07-28 18:59:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2020-07-28 18:59:12,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 123 transitions. [2020-07-28 18:59:12,281 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:12,281 INFO L225 Difference]: With dead ends: 146 [2020-07-28 18:59:12,282 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:12,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:12,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:12,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:12,284 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,284 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,285 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:12,285 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:12,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:12,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:12,285 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,285 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:12,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:12,286 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:12,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:12,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:12,286 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:12,286 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:12,286 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:12,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:12,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:12,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-28 18:59:12,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:12,287 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:12,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:12,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:12,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:12,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:12,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:12,660 INFO L264 CegarLoopResult]: At program point L250(lines 245 253) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,660 INFO L264 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2020-07-28 18:59:12,660 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-07-28 18:59:12,660 INFO L264 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2020-07-28 18:59:12,661 INFO L268 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-07-28 18:59:12,661 INFO L271 CegarLoopResult]: At program point L878-1(lines 878 885) the Hoare annotation is: true [2020-07-28 18:59:12,661 INFO L268 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-07-28 18:59:12,661 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 209) no Hoare annotation was computed. [2020-07-28 18:59:12,661 INFO L268 CegarLoopResult]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2020-07-28 18:59:12,661 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,661 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L264 CegarLoopResult]: At program point L103-1(lines 103 109) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L402(lines 402 412) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L402-2(lines 402 412) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L402-4(lines 402 412) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 409) no Hoare annotation was computed. [2020-07-28 18:59:12,662 INFO L268 CegarLoopResult]: For program point L403-4(lines 403 409) no Hoare annotation was computed. [2020-07-28 18:59:12,663 INFO L264 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,663 INFO L264 CegarLoopResult]: At program point L172-1(lines 172 178) the Hoare annotation is: false [2020-07-28 18:59:12,663 INFO L264 CegarLoopResult]: At program point L172-2(lines 172 178) the Hoare annotation is: false [2020-07-28 18:59:12,663 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,663 INFO L264 CegarLoopResult]: At program point L387(lines 382 389) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,663 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-07-28 18:59:12,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,664 INFO L268 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-07-28 18:59:12,664 INFO L268 CegarLoopResult]: For program point L306-3(lines 306 310) no Hoare annotation was computed. [2020-07-28 18:59:12,665 INFO L264 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: false [2020-07-28 18:59:12,665 INFO L268 CegarLoopResult]: For program point L306-6(lines 306 310) no Hoare annotation was computed. [2020-07-28 18:59:12,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-07-28 18:59:12,665 INFO L264 CegarLoopResult]: At program point L241(lines 234 244) the Hoare annotation is: false [2020-07-28 18:59:12,665 INFO L264 CegarLoopResult]: At program point L241-1(lines 234 244) the Hoare annotation is: false [2020-07-28 18:59:12,665 INFO L264 CegarLoopResult]: At program point L241-2(lines 234 244) the Hoare annotation is: false [2020-07-28 18:59:12,665 INFO L268 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2020-07-28 18:59:12,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,666 INFO L271 CegarLoopResult]: At program point L887(lines 868 890) the Hoare annotation is: true [2020-07-28 18:59:12,666 INFO L264 CegarLoopResult]: At program point L854(lines 850 856) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,666 INFO L268 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-07-28 18:59:12,666 INFO L264 CegarLoopResult]: At program point L343(lines 338 346) the Hoare annotation is: false [2020-07-28 18:59:12,666 INFO L264 CegarLoopResult]: At program point L343-1(lines 338 346) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,666 INFO L264 CegarLoopResult]: At program point L343-2(lines 338 346) the Hoare annotation is: false [2020-07-28 18:59:12,666 INFO L264 CegarLoopResult]: At program point L343-3(lines 338 346) the Hoare annotation is: false [2020-07-28 18:59:12,667 INFO L264 CegarLoopResult]: At program point L343-4(lines 338 346) the Hoare annotation is: false [2020-07-28 18:59:12,667 INFO L264 CegarLoopResult]: At program point L343-5(lines 338 346) the Hoare annotation is: false [2020-07-28 18:59:12,667 INFO L264 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: false [2020-07-28 18:59:12,667 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-28 18:59:12,667 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-07-28 18:59:12,667 INFO L268 CegarLoopResult]: For program point L790-2(line 790) no Hoare annotation was computed. [2020-07-28 18:59:12,668 INFO L268 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-07-28 18:59:12,668 INFO L264 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,668 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-28 18:59:12,668 INFO L268 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-07-28 18:59:12,668 INFO L268 CegarLoopResult]: For program point L197-1(lines 197 214) no Hoare annotation was computed. [2020-07-28 18:59:12,668 INFO L268 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-07-28 18:59:12,669 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2020-07-28 18:59:12,669 INFO L264 CegarLoopResult]: At program point L65(lines 1 890) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,669 INFO L264 CegarLoopResult]: At program point L131-2(lines 165 171) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,669 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-07-28 18:59:12,670 INFO L268 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-07-28 18:59:12,670 INFO L264 CegarLoopResult]: At program point L165(lines 164 183) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,670 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2020-07-28 18:59:12,670 INFO L264 CegarLoopResult]: At program point L165-2(lines 164 183) the Hoare annotation is: false [2020-07-28 18:59:12,670 INFO L264 CegarLoopResult]: At program point L165-3(lines 164 183) the Hoare annotation is: false [2020-07-28 18:59:12,670 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-07-28 18:59:12,671 INFO L268 CegarLoopResult]: For program point L810-1(lines 165 171) no Hoare annotation was computed. [2020-07-28 18:59:12,671 INFO L268 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2020-07-28 18:59:12,671 INFO L264 CegarLoopResult]: At program point L398-1(lines 1 890) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,671 INFO L268 CegarLoopResult]: For program point L398-2(lines 398 415) no Hoare annotation was computed. [2020-07-28 18:59:12,671 INFO L264 CegarLoopResult]: At program point L398-3(lines 1 890) the Hoare annotation is: false [2020-07-28 18:59:12,671 INFO L268 CegarLoopResult]: For program point L398-4(lines 398 415) no Hoare annotation was computed. [2020-07-28 18:59:12,672 INFO L264 CegarLoopResult]: At program point L398-5(lines 1 890) the Hoare annotation is: false [2020-07-28 18:59:12,676 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:12,676 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:12,677 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 18:59:12,677 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 18:59:12,677 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 18:59:12,678 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:59:12,679 WARN L170 areAnnotationChecker]: L306-3 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L306-3 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L197-1 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L197-1 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L197-1 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-28 18:59:12,680 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L398-2 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L398-2 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L398-2 has no Hoare annotation [2020-07-28 18:59:12,681 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2020-07-28 18:59:12,682 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2020-07-28 18:59:12,682 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:59:12,682 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 18:59:12,682 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2020-07-28 18:59:12,683 WARN L170 areAnnotationChecker]: L402-2 has no Hoare annotation [2020-07-28 18:59:12,683 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:59:12,683 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:59:12,683 WARN L170 areAnnotationChecker]: L402-2 has no Hoare annotation [2020-07-28 18:59:12,683 WARN L170 areAnnotationChecker]: L402-2 has no Hoare annotation [2020-07-28 18:59:12,683 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:59:12,684 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-28 18:59:12,690 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-28 18:59:12,690 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-28 18:59:12,690 WARN L170 areAnnotationChecker]: L403-2 has no Hoare annotation [2020-07-28 18:59:12,690 WARN L170 areAnnotationChecker]: L403-2 has no Hoare annotation [2020-07-28 18:59:12,690 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:59:12,690 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-28 18:59:12,691 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-28 18:59:12,691 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2020-07-28 18:59:12,692 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-28 18:59:12,692 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-28 18:59:12,692 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2020-07-28 18:59:12,692 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2020-07-28 18:59:12,692 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2020-07-28 18:59:12,692 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2020-07-28 18:59:12,693 WARN L170 areAnnotationChecker]: L810-1 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L810-1 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L306-6 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L306-6 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L197-2 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2020-07-28 18:59:12,694 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L197-2 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L197-2 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L398-4 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-28 18:59:12,695 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-28 18:59:12,696 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 18:59:12,696 WARN L170 areAnnotationChecker]: L398-4 has no Hoare annotation [2020-07-28 18:59:12,696 WARN L170 areAnnotationChecker]: L398-4 has no Hoare annotation [2020-07-28 18:59:12,696 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-28 18:59:12,696 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-28 18:59:12,697 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 18:59:12,697 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-28 18:59:12,697 WARN L170 areAnnotationChecker]: L402-4 has no Hoare annotation [2020-07-28 18:59:12,697 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 18:59:12,697 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 18:59:12,698 WARN L170 areAnnotationChecker]: L402-4 has no Hoare annotation [2020-07-28 18:59:12,698 WARN L170 areAnnotationChecker]: L402-4 has no Hoare annotation [2020-07-28 18:59:12,698 WARN L170 areAnnotationChecker]: L403-4 has no Hoare annotation [2020-07-28 18:59:12,698 WARN L170 areAnnotationChecker]: L403-4 has no Hoare annotation [2020-07-28 18:59:12,698 WARN L170 areAnnotationChecker]: L790-2 has no Hoare annotation [2020-07-28 18:59:12,698 WARN L170 areAnnotationChecker]: L790-2 has no Hoare annotation [2020-07-28 18:59:12,698 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:12,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:12 BoogieIcfgContainer [2020-07-28 18:59:12,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:12,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:12,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:12,719 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:12,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:08" (3/4) ... [2020-07-28 18:59:12,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:12,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:12,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:12,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:12,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:12,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:12,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:12,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:12,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 18:59:12,843 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:12,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:12,846 INFO L168 Benchmark]: Toolchain (without parser) took 6868.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 957.5 MB in the beginning and 804.9 MB in the end (delta: 152.6 MB). Peak memory consumption was 356.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:12,847 INFO L168 Benchmark]: CDTParser took 0.21 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 18:59:12,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:12,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:12,848 INFO L168 Benchmark]: Boogie Preprocessor took 42.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:12,849 INFO L168 Benchmark]: RCFGBuilder took 1372.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.5 MB in the end (delta: 139.5 MB). Peak memory consumption was 139.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:12,849 INFO L168 Benchmark]: TraceAbstraction took 4538.31 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 942.8 MB in the beginning and 813.0 MB in the end (delta: 129.8 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:12,850 INFO L168 Benchmark]: Witness Printer took 125.09 ms. Allocated memory is still 1.2 GB. Free memory was 813.0 MB in the beginning and 804.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:12,852 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 0.21 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 692.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.97 ms. Allocated memory is still 1.1 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 42.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1372.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.5 MB in the end (delta: 139.5 MB). Peak memory consumption was 139.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4538.31 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 942.8 MB in the beginning and 813.0 MB in the end (delta: 129.8 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. * Witness Printer took 125.09 ms. Allocated memory is still 1.2 GB. Free memory was 813.0 MB in the beginning and 804.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 269 SDslu, 255 SDs, 0 SdLazy, 57 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred 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, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1138 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 196 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...