./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product18.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_spec1_product18.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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:57:46,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:46,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:46,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:46,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:46,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:46,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:46,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:46,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:46,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:46,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:46,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:46,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:46,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:46,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:46,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:46,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:46,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:46,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:46,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:46,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:46,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:46,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:46,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:46,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:46,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:46,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:46,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:46,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:46,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:46,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:46,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:46,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:46,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:46,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:46,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:46,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:46,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:46,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:46,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:46,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:47,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:47,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:47,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:47,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:47,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:47,031 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:47,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:47,031 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:47,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:47,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:47,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:47,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:47,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:47,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:47,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:47,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:47,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:47,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:47,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:47,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:47,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:47,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:47,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:47,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:47,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:47,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:47,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:47,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:47,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:47,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:47,039 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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2020-07-28 18:57:47,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:47,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:47,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:47,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:47,380 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:47,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2020-07-28 18:57:47,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6b5d0a5/0bc2b48f3d8a4ec59140b2ef3b250606/FLAG3f8933008 [2020-07-28 18:57:47,962 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:47,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2020-07-28 18:57:47,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6b5d0a5/0bc2b48f3d8a4ec59140b2ef3b250606/FLAG3f8933008 [2020-07-28 18:57:48,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6b5d0a5/0bc2b48f3d8a4ec59140b2ef3b250606 [2020-07-28 18:57:48,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:48,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:48,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:48,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:48,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:48,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:48,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588b334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48, skipping insertion in model container [2020-07-28 18:57:48,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:48,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:48,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:48,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:48,782 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:48,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:48,987 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:48,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48 WrapperNode [2020-07-28 18:57:48,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:48,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:48,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:48,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:48,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:49,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:49,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:49,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:49,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (1/1) ... [2020-07-28 18:57:49,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:49,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:49,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:49,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:49,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (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 18:57:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:50,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:50,559 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 18:57:50,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:50 BoogieIcfgContainer [2020-07-28 18:57:50,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:50,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:50,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:50,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:50,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:48" (1/3) ... [2020-07-28 18:57:50,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117187e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:50, skipping insertion in model container [2020-07-28 18:57:50,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:48" (2/3) ... [2020-07-28 18:57:50,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117187e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:50, skipping insertion in model container [2020-07-28 18:57:50,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:50" (3/3) ... [2020-07-28 18:57:50,575 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-07-28 18:57:50,587 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:50,595 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:50,610 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:50,636 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:50,636 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:50,636 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:50,637 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:50,638 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:50,638 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:50,638 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:50,638 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 18:57:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:50,664 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:50,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:50,666 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:50,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:50,673 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2020-07-28 18:57:50,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:50,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878463146] [2020-07-28 18:57:50,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:51,017 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {78#true} is VALID [2020-07-28 18:57:51,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {78#true} is VALID [2020-07-28 18:57:51,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {78#true} is VALID [2020-07-28 18:57:51,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {78#true} is VALID [2020-07-28 18:57:51,019 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~1; {78#true} is VALID [2020-07-28 18:57:51,020 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 18:57:51,021 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 18:57:51,022 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 18:57:51,022 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 18:57:51,023 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 18:57:51,023 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {79#false} is VALID [2020-07-28 18:57:51,024 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {79#false} is VALID [2020-07-28 18:57:51,024 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {79#false} is VALID [2020-07-28 18:57:51,025 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {79#false} is VALID [2020-07-28 18:57:51,025 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {79#false} is VALID [2020-07-28 18:57:51,026 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 18:57:51,029 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 18:57:51,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878463146] [2020-07-28 18:57:51,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:51,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:51,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445525960] [2020-07-28 18:57:51,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:51,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:51,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:51,088 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:51,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:51,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:51,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:51,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:51,102 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 18:57:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:51,386 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 18:57:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:51,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:51,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 18:57:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 18:57:51,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 18:57:51,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:51,705 INFO L225 Difference]: With dead ends: 144 [2020-07-28 18:57:51,706 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:57:51,710 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 18:57:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:57:51,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:57:51,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:51,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:57:51,764 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:57:51,764 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:57:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:51,772 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 18:57:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 18:57:51,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:51,774 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:51,774 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:57:51,775 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:57:51,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:51,781 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 18:57:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 18:57:51,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:51,784 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:51,784 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:51,784 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:57:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 18:57:51,792 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-07-28 18:57:51,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:51,793 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 18:57:51,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 18:57:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:51,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:51,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:51,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:51,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:51,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:51,797 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2020-07-28 18:57:51,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:51,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056792094] [2020-07-28 18:57:51,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:51,924 INFO L280 TraceCheckUtils]: 0: Hoare triple {527#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {527#true} is VALID [2020-07-28 18:57:51,924 INFO L280 TraceCheckUtils]: 1: Hoare triple {527#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {527#true} is VALID [2020-07-28 18:57:51,924 INFO L280 TraceCheckUtils]: 2: Hoare triple {527#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; {527#true} is VALID [2020-07-28 18:57:51,925 INFO L280 TraceCheckUtils]: 3: Hoare triple {527#true} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {527#true} is VALID [2020-07-28 18:57:51,925 INFO L280 TraceCheckUtils]: 4: Hoare triple {527#true} assume 0 != main_~tmp~1; {527#true} is VALID [2020-07-28 18:57:51,926 INFO L280 TraceCheckUtils]: 5: Hoare triple {527#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:51,927 INFO L280 TraceCheckUtils]: 6: Hoare triple {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:51,928 INFO L280 TraceCheckUtils]: 7: Hoare triple {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {528#false} is VALID [2020-07-28 18:57:51,929 INFO L280 TraceCheckUtils]: 8: Hoare triple {528#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {528#false} is VALID [2020-07-28 18:57:51,929 INFO L280 TraceCheckUtils]: 9: Hoare triple {528#false} assume !(0 != ~pumpRunning~0); {528#false} is VALID [2020-07-28 18:57:51,929 INFO L280 TraceCheckUtils]: 10: Hoare triple {528#false} assume !(0 != ~systemActive~0); {528#false} is VALID [2020-07-28 18:57:51,930 INFO L280 TraceCheckUtils]: 11: Hoare triple {528#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {528#false} is VALID [2020-07-28 18:57:51,930 INFO L280 TraceCheckUtils]: 12: Hoare triple {528#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {528#false} is VALID [2020-07-28 18:57:51,930 INFO L280 TraceCheckUtils]: 13: Hoare triple {528#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {528#false} is VALID [2020-07-28 18:57:51,931 INFO L280 TraceCheckUtils]: 14: Hoare triple {528#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {528#false} is VALID [2020-07-28 18:57:51,931 INFO L280 TraceCheckUtils]: 15: Hoare triple {528#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {528#false} is VALID [2020-07-28 18:57:51,931 INFO L280 TraceCheckUtils]: 16: Hoare triple {528#false} assume !false; {528#false} is VALID [2020-07-28 18:57:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:51,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056792094] [2020-07-28 18:57:51,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:51,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:51,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394983996] [2020-07-28 18:57:51,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:51,936 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:51,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:51,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:51,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:51,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:51,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:51,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:51,965 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 18:57:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:52,196 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 18:57:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:52,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 18:57:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 18:57:52,202 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 18:57:52,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:52,377 INFO L225 Difference]: With dead ends: 71 [2020-07-28 18:57:52,378 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:57:52,379 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 18:57:52,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:57:52,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:57:52,393 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:52,394 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,394 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,394 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:52,396 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:57:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:52,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:52,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:52,397 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,398 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:52,400 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:57:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:52,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:52,401 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:52,401 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:52,401 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:57:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 18:57:52,404 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 18:57:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:52,404 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 18:57:52,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:52,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:52,405 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] [2020-07-28 18:57:52,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:52,406 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:52,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2020-07-28 18:57:52,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:52,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178186060] [2020-07-28 18:57:52,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:52,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {744#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {744#true} is VALID [2020-07-28 18:57:52,574 INFO L280 TraceCheckUtils]: 1: Hoare triple {744#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {744#true} is VALID [2020-07-28 18:57:52,574 INFO L280 TraceCheckUtils]: 2: Hoare triple {744#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; {744#true} is VALID [2020-07-28 18:57:52,575 INFO L280 TraceCheckUtils]: 3: Hoare triple {744#true} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {744#true} is VALID [2020-07-28 18:57:52,575 INFO L280 TraceCheckUtils]: 4: Hoare triple {744#true} assume 0 != main_~tmp~1; {744#true} is VALID [2020-07-28 18:57:52,575 INFO L280 TraceCheckUtils]: 5: Hoare triple {744#true} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {744#true} is VALID [2020-07-28 18:57:52,576 INFO L280 TraceCheckUtils]: 6: Hoare triple {744#true} assume !false; {744#true} is VALID [2020-07-28 18:57:52,576 INFO L280 TraceCheckUtils]: 7: Hoare triple {744#true} assume test_~splverifierCounter~0 < 4; {744#true} is VALID [2020-07-28 18:57:52,577 INFO L280 TraceCheckUtils]: 8: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {744#true} is VALID [2020-07-28 18:57:52,577 INFO L280 TraceCheckUtils]: 9: Hoare triple {744#true} assume !(0 != test_~tmp~4); {744#true} is VALID [2020-07-28 18:57:52,577 INFO L280 TraceCheckUtils]: 10: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {744#true} is VALID [2020-07-28 18:57:52,577 INFO L280 TraceCheckUtils]: 11: Hoare triple {744#true} assume !(0 != test_~tmp___0~2); {744#true} is VALID [2020-07-28 18:57:52,578 INFO L280 TraceCheckUtils]: 12: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {744#true} is VALID [2020-07-28 18:57:52,579 INFO L280 TraceCheckUtils]: 13: Hoare triple {744#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {746#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:52,580 INFO L280 TraceCheckUtils]: 14: Hoare triple {746#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {746#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:52,581 INFO L280 TraceCheckUtils]: 15: Hoare triple {746#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {745#false} is VALID [2020-07-28 18:57:52,581 INFO L280 TraceCheckUtils]: 16: Hoare triple {745#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {745#false} is VALID [2020-07-28 18:57:52,582 INFO L280 TraceCheckUtils]: 17: Hoare triple {745#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {745#false} is VALID [2020-07-28 18:57:52,582 INFO L280 TraceCheckUtils]: 18: Hoare triple {745#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {745#false} is VALID [2020-07-28 18:57:52,582 INFO L280 TraceCheckUtils]: 19: Hoare triple {745#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {745#false} is VALID [2020-07-28 18:57:52,582 INFO L280 TraceCheckUtils]: 20: Hoare triple {745#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {745#false} is VALID [2020-07-28 18:57:52,583 INFO L280 TraceCheckUtils]: 21: Hoare triple {745#false} assume !false; {745#false} is VALID [2020-07-28 18:57:52,584 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 18:57:52,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178186060] [2020-07-28 18:57:52,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:52,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:52,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58506943] [2020-07-28 18:57:52,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:52,590 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:52,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:52,627 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:52,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:52,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:52,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:52,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:52,628 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 18:57:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:52,797 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 18:57:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:52,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 18:57:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 18:57:52,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 86 transitions. [2020-07-28 18:57:52,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:52,910 INFO L225 Difference]: With dead ends: 60 [2020-07-28 18:57:52,910 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:57:52,911 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 18:57:52,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:57:52,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:57:52,940 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:52,940 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,940 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,940 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:52,942 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 18:57:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:57:52,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:52,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:52,943 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,943 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:52,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:52,945 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 18:57:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:57:52,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:52,946 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:52,946 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:52,947 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:57:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 18:57:52,949 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-07-28 18:57:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:52,949 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 18:57:52,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:57:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:52,950 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:52,951 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] [2020-07-28 18:57:52,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:52,951 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:52,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:52,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2020-07-28 18:57:52,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:52,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001634691] [2020-07-28 18:57:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:53,071 INFO L280 TraceCheckUtils]: 0: Hoare triple {944#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,072 INFO L280 TraceCheckUtils]: 1: Hoare triple {946#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,073 INFO L280 TraceCheckUtils]: 2: Hoare triple {946#(= 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; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,073 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(= 0 ~pumpRunning~0)} main_#t~ret3 := valid_product_#res;assume -2147483648 <= main_#t~ret3 && main_#t~ret3 <= 2147483647;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,074 INFO L280 TraceCheckUtils]: 4: Hoare triple {946#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,075 INFO L280 TraceCheckUtils]: 5: Hoare triple {946#(= 0 ~pumpRunning~0)} havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,078 INFO L280 TraceCheckUtils]: 6: Hoare triple {946#(= 0 ~pumpRunning~0)} assume !false; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,080 INFO L280 TraceCheckUtils]: 7: Hoare triple {946#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,081 INFO L280 TraceCheckUtils]: 8: Hoare triple {946#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,082 INFO L280 TraceCheckUtils]: 9: Hoare triple {946#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,082 INFO L280 TraceCheckUtils]: 10: Hoare triple {946#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,083 INFO L280 TraceCheckUtils]: 11: Hoare triple {946#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,084 INFO L280 TraceCheckUtils]: 12: Hoare triple {946#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,084 INFO L280 TraceCheckUtils]: 13: Hoare triple {946#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,085 INFO L280 TraceCheckUtils]: 14: Hoare triple {946#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,086 INFO L280 TraceCheckUtils]: 15: Hoare triple {946#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,087 INFO L280 TraceCheckUtils]: 16: Hoare triple {946#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,088 INFO L280 TraceCheckUtils]: 17: Hoare triple {946#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,089 INFO L280 TraceCheckUtils]: 18: Hoare triple {946#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {946#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:53,090 INFO L280 TraceCheckUtils]: 19: Hoare triple {946#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {947#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:53,091 INFO L280 TraceCheckUtils]: 20: Hoare triple {947#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {948#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:57:53,092 INFO L280 TraceCheckUtils]: 21: Hoare triple {948#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {945#false} is VALID [2020-07-28 18:57:53,092 INFO L280 TraceCheckUtils]: 22: Hoare triple {945#false} assume !false; {945#false} is VALID [2020-07-28 18:57:53,093 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 18:57:53,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001634691] [2020-07-28 18:57:53,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:53,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:53,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648631700] [2020-07-28 18:57:53,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:53,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:53,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:53,129 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:53,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:53,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:53,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:53,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:53,131 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-07-28 18:57:53,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:53,552 INFO L93 Difference]: Finished difference Result 84 states and 123 transitions. [2020-07-28 18:57:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:53,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:53,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2020-07-28 18:57:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2020-07-28 18:57:53,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 123 transitions. [2020-07-28 18:57:53,702 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 18:57:53,702 INFO L225 Difference]: With dead ends: 84 [2020-07-28 18:57:53,702 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:53,703 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 18:57:53,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:53,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:53,704 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:53,704 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:53,704 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:53,704 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:53,705 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:53,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:53,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:53,705 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:53,705 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:53,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:53,706 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:53,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:53,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:53,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:53,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:53,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 18:57:53,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:53,707 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:53,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:53,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:53,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:53,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:53,940 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2020-07-28 18:57:53,940 INFO L264 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: false [2020-07-28 18:57:53,941 INFO L264 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:53,941 INFO L264 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: false [2020-07-28 18:57:53,941 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-28 18:57:53,941 INFO L268 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-07-28 18:57:53,941 INFO L271 CegarLoopResult]: At program point L203(lines 184 206) the Hoare annotation is: true [2020-07-28 18:57:53,942 INFO L264 CegarLoopResult]: At program point L170(lines 166 172) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,942 INFO L268 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-07-28 18:57:53,942 INFO L268 CegarLoopResult]: For program point L253(lines 253 270) no Hoare annotation was computed. [2020-07-28 18:57:53,942 INFO L268 CegarLoopResult]: For program point L253-1(lines 253 270) no Hoare annotation was computed. [2020-07-28 18:57:53,942 INFO L268 CegarLoopResult]: For program point L253-2(lines 253 270) no Hoare annotation was computed. [2020-07-28 18:57:53,942 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-28 18:57:53,942 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2020-07-28 18:57:53,943 INFO L268 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2020-07-28 18:57:53,943 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-07-28 18:57:53,943 INFO L264 CegarLoopResult]: At program point L221(lines 220 239) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,943 INFO L268 CegarLoopResult]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2020-07-28 18:57:53,943 INFO L264 CegarLoopResult]: At program point L221-2(lines 220 239) the Hoare annotation is: false [2020-07-28 18:57:53,943 INFO L264 CegarLoopResult]: At program point L221-3(lines 220 239) the Hoare annotation is: false [2020-07-28 18:57:53,943 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-28 18:57:53,943 INFO L268 CegarLoopResult]: For program point L123-1(lines 221 227) no Hoare annotation was computed. [2020-07-28 18:57:53,944 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-28 18:57:53,944 INFO L264 CegarLoopResult]: At program point L404-1(lines 404 410) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,944 INFO L268 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2020-07-28 18:57:53,944 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2020-07-28 18:57:53,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:53,952 INFO L268 CegarLoopResult]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2020-07-28 18:57:53,952 INFO L268 CegarLoopResult]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2020-07-28 18:57:53,952 INFO L268 CegarLoopResult]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2020-07-28 18:57:53,952 INFO L268 CegarLoopResult]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2020-07-28 18:57:53,953 INFO L264 CegarLoopResult]: At program point L306(lines 301 309) 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 18:57:53,953 INFO L264 CegarLoopResult]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2020-07-28 18:57:53,953 INFO L264 CegarLoopResult]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2020-07-28 18:57:53,953 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-28 18:57:53,953 INFO L264 CegarLoopResult]: At program point L901(lines 896 904) the Hoare annotation is: false [2020-07-28 18:57:53,954 INFO L264 CegarLoopResult]: At program point L422-2(lines 221 227) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,954 INFO L264 CegarLoopResult]: At program point L901-1(lines 896 904) the Hoare annotation is: false [2020-07-28 18:57:53,954 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-28 18:57:53,954 INFO L264 CegarLoopResult]: At program point L901-2(lines 896 904) the Hoare annotation is: false [2020-07-28 18:57:53,954 INFO L268 CegarLoopResult]: For program point L257(lines 257 265) no Hoare annotation was computed. [2020-07-28 18:57:53,954 INFO L268 CegarLoopResult]: For program point L257-1(lines 257 265) no Hoare annotation was computed. [2020-07-28 18:57:53,955 INFO L268 CegarLoopResult]: For program point L257-2(lines 257 265) no Hoare annotation was computed. [2020-07-28 18:57:53,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2020-07-28 18:57:53,955 INFO L264 CegarLoopResult]: At program point L94(lines 1 904) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:53,955 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-07-28 18:57:53,956 INFO L271 CegarLoopResult]: At program point L194-1(lines 194 201) the Hoare annotation is: true [2020-07-28 18:57:53,956 INFO L264 CegarLoopResult]: At program point L228(lines 228 234) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,957 INFO L264 CegarLoopResult]: At program point L228-1(lines 228 234) the Hoare annotation is: false [2020-07-28 18:57:53,957 INFO L264 CegarLoopResult]: At program point L228-2(lines 228 234) the Hoare annotation is: false [2020-07-28 18:57:53,957 INFO L268 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-07-28 18:57:53,957 INFO L268 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2020-07-28 18:57:53,957 INFO L268 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2020-07-28 18:57:53,958 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-07-28 18:57:53,959 INFO L264 CegarLoopResult]: At program point L394-1(lines 394 400) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,959 INFO L264 CegarLoopResult]: At program point L361(lines 346 364) the Hoare annotation is: false [2020-07-28 18:57:53,959 INFO L264 CegarLoopResult]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2020-07-28 18:57:53,959 INFO L264 CegarLoopResult]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2020-07-28 18:57:53,960 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:53,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2020-07-28 18:57:53,960 INFO L268 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-07-28 18:57:53,960 INFO L264 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,961 INFO L264 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: false [2020-07-28 18:57:53,961 INFO L264 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2020-07-28 18:57:53,961 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-28 18:57:53,962 INFO L264 CegarLoopResult]: At program point L51-1(lines 1 904) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:53,962 INFO L268 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2020-07-28 18:57:53,962 INFO L264 CegarLoopResult]: At program point L51-3(lines 1 904) the Hoare annotation is: false [2020-07-28 18:57:53,962 INFO L268 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2020-07-28 18:57:53,964 INFO L264 CegarLoopResult]: At program point L51-5(lines 1 904) the Hoare annotation is: false [2020-07-28 18:57:53,964 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-28 18:57:53,964 INFO L268 CegarLoopResult]: For program point L811-1(line 811) no Hoare annotation was computed. [2020-07-28 18:57:53,965 INFO L268 CegarLoopResult]: For program point L811-2(line 811) no Hoare annotation was computed. [2020-07-28 18:57:53,969 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:53,969 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:53,971 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 18:57:53,971 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 18:57:53,972 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 18:57:53,973 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 18:57:53,973 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:53,973 WARN L170 areAnnotationChecker]: L221-1 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L221-1 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L221-1 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L823-3 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L823-3 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L253-1 has no Hoare annotation [2020-07-28 18:57:53,974 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 18:57:53,975 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 18:57:53,975 WARN L170 areAnnotationChecker]: L253-1 has no Hoare annotation [2020-07-28 18:57:53,975 WARN L170 areAnnotationChecker]: L253-1 has no Hoare annotation [2020-07-28 18:57:53,975 WARN L170 areAnnotationChecker]: L835 has no Hoare annotation [2020-07-28 18:57:53,975 WARN L170 areAnnotationChecker]: L835 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L355-3 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L355-3 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L355-3 has no Hoare annotation [2020-07-28 18:57:53,976 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:57:53,977 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:57:53,977 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 18:57:53,977 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 18:57:53,977 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-28 18:57:53,977 WARN L170 areAnnotationChecker]: L355-5 has no Hoare annotation [2020-07-28 18:57:53,977 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L257-1 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 18:57:53,978 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:57:53,979 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 18:57:53,979 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 18:57:53,979 WARN L170 areAnnotationChecker]: L257-1 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L257-1 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L811-1 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L811-1 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:57:53,980 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-28 18:57:53,981 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:57:53,981 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:57:53,981 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-28 18:57:53,982 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-28 18:57:53,982 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L823-6 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L823-6 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L253-2 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:57:53,983 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L253-2 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L253-2 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L355-2 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L355-6 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:57:53,984 WARN L170 areAnnotationChecker]: L355-6 has no Hoare annotation [2020-07-28 18:57:53,985 WARN L170 areAnnotationChecker]: L355-6 has no Hoare annotation [2020-07-28 18:57:53,985 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:57:53,985 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:57:53,985 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 18:57:53,985 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 18:57:53,989 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-28 18:57:53,989 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-28 18:57:53,989 WARN L170 areAnnotationChecker]: L355-8 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L257-2 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L257-2 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L257-2 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L811-2 has no Hoare annotation [2020-07-28 18:57:53,990 WARN L170 areAnnotationChecker]: L811-2 has no Hoare annotation [2020-07-28 18:57:53,990 INFO L163 areAnnotationChecker]: CFG has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:54,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:54 BoogieIcfgContainer [2020-07-28 18:57:54,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:54,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:54,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:54,009 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:54,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:50" (3/4) ... [2020-07-28 18:57:54,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:54,030 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:54,031 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:54,031 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:54,032 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:54,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:54,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:54,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:54,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 18:57:54,138 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:54,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:54,141 INFO L168 Benchmark]: Toolchain (without parser) took 5875.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -59.9 MB). Peak memory consumption was 154.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:54,141 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:54,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:54,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:54,143 INFO L168 Benchmark]: Boogie Preprocessor took 54.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:54,143 INFO L168 Benchmark]: RCFGBuilder took 1437.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.3 MB in the end (delta: 138.0 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:54,144 INFO L168 Benchmark]: TraceAbstraction took 3442.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 963.7 MB in the beginning and 1.0 GB in the end (delta: -54.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:54,144 INFO L168 Benchmark]: Witness Printer took 129.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:54,146 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 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1437.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.3 MB in the end (delta: 138.0 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3442.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 963.7 MB in the beginning and 1.0 GB in the end (delta: -54.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 129.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: 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: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 241 SDtfs, 161 SDslu, 78 SDs, 0 SdLazy, 20 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 54 NumberOfFragments, 124 HoareAnnotationTreeSize, 31 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...