./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product11.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 024cd1c3d04a85b1ea51a85b80d9a485019f42aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:13,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:13,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:13,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:13,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:13,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:13,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:13,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:13,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:13,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:13,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:13,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:13,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:13,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:13,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:13,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:13,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:13,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:13,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:13,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:13,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:13,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:13,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:13,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:13,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:13,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:13,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:13,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:13,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:13,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:13,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:13,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:13,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:13,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:13,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:13,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:13,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:13,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:13,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:13,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:13,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:13,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:13,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:13,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:13,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:13,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:13,093 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:13,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:13,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:13,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:13,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:13,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:13,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:13,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:13,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:13,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:13,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:13,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:13,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:13,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:13,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:13,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:13,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:13,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:13,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:13,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:13,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:13,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:13,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:13,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:13,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:13,100 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 -> 024cd1c3d04a85b1ea51a85b80d9a485019f42aa [2020-07-28 19:01:13,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:13,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:13,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:13,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:13,462 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:13,463 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2020-07-28 19:01:13,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2825d2c5/f934301a3840409ab13c5087b6df8a41/FLAG18597c2ef [2020-07-28 19:01:14,030 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:14,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2020-07-28 19:01:14,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2825d2c5/f934301a3840409ab13c5087b6df8a41/FLAG18597c2ef [2020-07-28 19:01:14,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2825d2c5/f934301a3840409ab13c5087b6df8a41 [2020-07-28 19:01:14,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:14,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:14,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:14,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:14,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:14,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62886f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14, skipping insertion in model container [2020-07-28 19:01:14,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:14,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:14,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:15,006 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:15,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:15,165 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:15,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15 WrapperNode [2020-07-28 19:01:15,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:15,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:15,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:15,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:15,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:15,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:15,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:15,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:15,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:15,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:15,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:15,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:15,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:16,616 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:16,617 INFO L295 CfgBuilder]: Removed 76 assume(true) statements. [2020-07-28 19:01:16,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:16 BoogieIcfgContainer [2020-07-28 19:01:16,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:16,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:16,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:16,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:16,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:14" (1/3) ... [2020-07-28 19:01:16,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b09fd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:16, skipping insertion in model container [2020-07-28 19:01:16,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15" (2/3) ... [2020-07-28 19:01:16,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b09fd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:16, skipping insertion in model container [2020-07-28 19:01:16,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:16" (3/3) ... [2020-07-28 19:01:16,630 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2020-07-28 19:01:16,641 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:16,649 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:16,664 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:16,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:16,690 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:16,691 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:16,691 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:16,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:16,691 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:16,692 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:16,692 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-28 19:01:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:16,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:16,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:16,720 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:16,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:16,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2020-07-28 19:01:16,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:16,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496033911] [2020-07-28 19:01:16,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:17,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {68#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {68#true} is VALID [2020-07-28 19:01:17,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {68#true} is VALID [2020-07-28 19:01:17,082 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {68#true} is VALID [2020-07-28 19:01:17,083 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#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; {68#true} is VALID [2020-07-28 19:01:17,083 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume 0 != main_~tmp~1; {68#true} is VALID [2020-07-28 19:01:17,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {68#true} is VALID [2020-07-28 19:01:17,086 INFO L280 TraceCheckUtils]: 6: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-28 19:01:17,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {69#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {69#false} is VALID [2020-07-28 19:01:17,088 INFO L280 TraceCheckUtils]: 8: Hoare triple {69#false} assume !(0 != ~pumpRunning~0); {69#false} is VALID [2020-07-28 19:01:17,088 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#false} assume 0 != ~systemActive~0; {69#false} is VALID [2020-07-28 19:01:17,088 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {69#false} is VALID [2020-07-28 19:01:17,089 INFO L280 TraceCheckUtils]: 11: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {69#false} is VALID [2020-07-28 19:01:17,089 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {69#false} is VALID [2020-07-28 19:01:17,090 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {69#false} is VALID [2020-07-28 19:01:17,090 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {69#false} is VALID [2020-07-28 19:01:17,091 INFO L280 TraceCheckUtils]: 15: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {69#false} is VALID [2020-07-28 19:01:17,091 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {69#false} is VALID [2020-07-28 19:01:17,091 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-28 19:01:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:17,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496033911] [2020-07-28 19:01:17,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:17,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:17,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193347016] [2020-07-28 19:01:17,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:17,110 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:17,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:17,167 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:17,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:17,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:17,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:17,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:17,184 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2020-07-28 19:01:17,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,416 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2020-07-28 19:01:17,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:17,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:17,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:17,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:17,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2020-07-28 19:01:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2020-07-28 19:01:17,441 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 185 transitions. [2020-07-28 19:01:17,755 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:17,772 INFO L225 Difference]: With dead ends: 124 [2020-07-28 19:01:17,773 INFO L226 Difference]: Without dead ends: 61 [2020-07-28 19:01:17,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-28 19:01:17,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-07-28 19:01:17,857 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:17,858 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:17,858 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:17,859 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:17,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,866 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:17,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:17,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:17,868 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:17,868 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,878 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:17,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:17,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:17,881 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:17,881 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-28 19:01:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2020-07-28 19:01:17,894 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2020-07-28 19:01:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:17,895 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2020-07-28 19:01:17,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:17,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:17,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:17,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:17,899 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:17,901 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2020-07-28 19:01:17,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:17,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174834924] [2020-07-28 19:01:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:18,134 INFO L280 TraceCheckUtils]: 0: Hoare triple {461#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {461#true} is VALID [2020-07-28 19:01:18,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {461#true} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {461#true} is VALID [2020-07-28 19:01:18,134 INFO L280 TraceCheckUtils]: 2: Hoare triple {461#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {461#true} is VALID [2020-07-28 19:01:18,135 INFO L280 TraceCheckUtils]: 3: Hoare triple {461#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; {461#true} is VALID [2020-07-28 19:01:18,135 INFO L280 TraceCheckUtils]: 4: Hoare triple {461#true} assume 0 != main_~tmp~1; {461#true} is VALID [2020-07-28 19:01:18,138 INFO L280 TraceCheckUtils]: 5: Hoare triple {461#true} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:18,139 INFO L280 TraceCheckUtils]: 6: Hoare triple {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:18,141 INFO L280 TraceCheckUtils]: 7: Hoare triple {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {462#false} is VALID [2020-07-28 19:01:18,141 INFO L280 TraceCheckUtils]: 8: Hoare triple {462#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {462#false} is VALID [2020-07-28 19:01:18,142 INFO L280 TraceCheckUtils]: 9: Hoare triple {462#false} assume !(0 != ~pumpRunning~0); {462#false} is VALID [2020-07-28 19:01:18,142 INFO L280 TraceCheckUtils]: 10: Hoare triple {462#false} assume 0 != ~systemActive~0; {462#false} is VALID [2020-07-28 19:01:18,142 INFO L280 TraceCheckUtils]: 11: Hoare triple {462#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {462#false} is VALID [2020-07-28 19:01:18,143 INFO L280 TraceCheckUtils]: 12: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {462#false} is VALID [2020-07-28 19:01:18,143 INFO L280 TraceCheckUtils]: 13: Hoare triple {462#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {462#false} is VALID [2020-07-28 19:01:18,145 INFO L280 TraceCheckUtils]: 14: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {462#false} is VALID [2020-07-28 19:01:18,145 INFO L280 TraceCheckUtils]: 15: Hoare triple {462#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {462#false} is VALID [2020-07-28 19:01:18,146 INFO L280 TraceCheckUtils]: 16: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {462#false} is VALID [2020-07-28 19:01:18,146 INFO L280 TraceCheckUtils]: 17: Hoare triple {462#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {462#false} is VALID [2020-07-28 19:01:18,146 INFO L280 TraceCheckUtils]: 18: Hoare triple {462#false} assume !false; {462#false} is VALID [2020-07-28 19:01:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:18,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174834924] [2020-07-28 19:01:18,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:18,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:18,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446474243] [2020-07-28 19:01:18,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:18,154 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:18,155 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:18,190 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:18,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:18,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:18,191 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2020-07-28 19:01:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,427 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:18,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 19:01:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 19:01:18,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 84 transitions. [2020-07-28 19:01:18,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,564 INFO L225 Difference]: With dead ends: 61 [2020-07-28 19:01:18,564 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:01:18,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:18,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:01:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:01:18,584 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:18,584 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:18,584 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:18,584 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:18,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,587 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:01:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:18,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:18,588 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:18,588 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:18,589 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:18,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,591 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:01:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:18,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:18,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:18,592 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:18,593 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:01:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 19:01:18,595 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-07-28 19:01:18,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:18,595 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 19:01:18,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:18,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:18,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:18,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:18,598 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:18,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:18,599 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2020-07-28 19:01:18,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:18,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712092189] [2020-07-28 19:01:18,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:18,691 INFO L280 TraceCheckUtils]: 0: Hoare triple {660#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {662#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,694 INFO L280 TraceCheckUtils]: 2: Hoare triple {662#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,695 INFO L280 TraceCheckUtils]: 3: Hoare triple {662#(= 1 ~systemActive~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; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,696 INFO L280 TraceCheckUtils]: 4: Hoare triple {662#(= 1 ~systemActive~0)} assume 0 != main_~tmp~1; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,697 INFO L280 TraceCheckUtils]: 5: Hoare triple {662#(= 1 ~systemActive~0)} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,698 INFO L280 TraceCheckUtils]: 6: Hoare triple {662#(= 1 ~systemActive~0)} assume !false; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,699 INFO L280 TraceCheckUtils]: 7: Hoare triple {662#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,700 INFO L280 TraceCheckUtils]: 8: Hoare triple {662#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,701 INFO L280 TraceCheckUtils]: 9: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~6); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,703 INFO L280 TraceCheckUtils]: 10: Hoare triple {662#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,704 INFO L280 TraceCheckUtils]: 11: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,705 INFO L280 TraceCheckUtils]: 12: Hoare triple {662#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,706 INFO L280 TraceCheckUtils]: 13: Hoare triple {662#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,707 INFO L280 TraceCheckUtils]: 14: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:18,708 INFO L280 TraceCheckUtils]: 15: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {661#false} is VALID [2020-07-28 19:01:18,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {661#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {661#false} is VALID [2020-07-28 19:01:18,709 INFO L280 TraceCheckUtils]: 17: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {661#false} is VALID [2020-07-28 19:01:18,710 INFO L280 TraceCheckUtils]: 18: Hoare triple {661#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {661#false} is VALID [2020-07-28 19:01:18,710 INFO L280 TraceCheckUtils]: 19: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {661#false} is VALID [2020-07-28 19:01:18,711 INFO L280 TraceCheckUtils]: 20: Hoare triple {661#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {661#false} is VALID [2020-07-28 19:01:18,711 INFO L280 TraceCheckUtils]: 21: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {661#false} is VALID [2020-07-28 19:01:18,711 INFO L280 TraceCheckUtils]: 22: Hoare triple {661#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {661#false} is VALID [2020-07-28 19:01:18,712 INFO L280 TraceCheckUtils]: 23: Hoare triple {661#false} assume !false; {661#false} is VALID [2020-07-28 19:01:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:18,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712092189] [2020-07-28 19:01:18,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:18,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:18,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572825824] [2020-07-28 19:01:18,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:18,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:18,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:18,759 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:18,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:18,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:18,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:18,761 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-07-28 19:01:18,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,958 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2020-07-28 19:01:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:18,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:18,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:18,964 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2020-07-28 19:01:19,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,116 INFO L225 Difference]: With dead ends: 81 [2020-07-28 19:01:19,116 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 19:01:19,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 19:01:19,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-07-28 19:01:19,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:19,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:19,148 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:19,149 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:19,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,152 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:01:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:01:19,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,153 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 56 states. [2020-07-28 19:01:19,153 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 56 states. [2020-07-28 19:01:19,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,156 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:01:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:01:19,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,157 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,158 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:19,158 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 19:01:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-07-28 19:01:19,161 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2020-07-28 19:01:19,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:19,161 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-07-28 19:01:19,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-07-28 19:01:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:19,162 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:19,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:19,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:19,163 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:19,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:19,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2020-07-28 19:01:19,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:19,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132140226] [2020-07-28 19:01:19,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:19,282 INFO L280 TraceCheckUtils]: 0: Hoare triple {965#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,283 INFO L280 TraceCheckUtils]: 1: Hoare triple {967#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {967#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,285 INFO L280 TraceCheckUtils]: 3: Hoare triple {967#(= 1 ~waterLevel~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; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,286 INFO L280 TraceCheckUtils]: 4: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,286 INFO L280 TraceCheckUtils]: 5: Hoare triple {967#(= 1 ~waterLevel~0)} havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,287 INFO L280 TraceCheckUtils]: 6: Hoare triple {967#(= 1 ~waterLevel~0)} assume !false; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,288 INFO L280 TraceCheckUtils]: 7: Hoare triple {967#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,289 INFO L280 TraceCheckUtils]: 8: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet58 && test_#t~nondet58 <= 2147483647;test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,290 INFO L280 TraceCheckUtils]: 9: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~6); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,290 INFO L280 TraceCheckUtils]: 10: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet59 && test_#t~nondet59 <= 2147483647;test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,291 INFO L280 TraceCheckUtils]: 11: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,292 INFO L280 TraceCheckUtils]: 12: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,293 INFO L280 TraceCheckUtils]: 13: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,293 INFO L280 TraceCheckUtils]: 14: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,294 INFO L280 TraceCheckUtils]: 15: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,295 INFO L280 TraceCheckUtils]: 16: Hoare triple {967#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,296 INFO L280 TraceCheckUtils]: 17: Hoare triple {967#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:19,297 INFO L280 TraceCheckUtils]: 18: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; {968#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:19,298 INFO L280 TraceCheckUtils]: 19: Hoare triple {968#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {969#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:01:19,299 INFO L280 TraceCheckUtils]: 20: Hoare triple {969#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {966#false} is VALID [2020-07-28 19:01:19,299 INFO L280 TraceCheckUtils]: 21: Hoare triple {966#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {966#false} is VALID [2020-07-28 19:01:19,299 INFO L280 TraceCheckUtils]: 22: Hoare triple {966#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {966#false} is VALID [2020-07-28 19:01:19,300 INFO L280 TraceCheckUtils]: 23: Hoare triple {966#false} assume !false; {966#false} is VALID [2020-07-28 19:01:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:19,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132140226] [2020-07-28 19:01:19,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:19,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:19,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46043922] [2020-07-28 19:01:19,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:19,303 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:19,303 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:19,349 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:19,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:19,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:19,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:19,351 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-07-28 19:01:20,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,074 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2020-07-28 19:01:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:20,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:20,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:20,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2020-07-28 19:01:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2020-07-28 19:01:20,084 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 220 transitions. [2020-07-28 19:01:20,360 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 220 edges. 220 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:20,373 INFO L225 Difference]: With dead ends: 264 [2020-07-28 19:01:20,374 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 19:01:20,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:20,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 19:01:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2020-07-28 19:01:20,476 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:20,476 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:20,476 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:20,476 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:20,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,490 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2020-07-28 19:01:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2020-07-28 19:01:20,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:20,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:20,496 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 218 states. [2020-07-28 19:01:20,496 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 218 states. [2020-07-28 19:01:20,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,508 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2020-07-28 19:01:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2020-07-28 19:01:20,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:20,509 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:20,509 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:20,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 19:01:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-07-28 19:01:20,514 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2020-07-28 19:01:20,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:20,515 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-07-28 19:01:20,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-07-28 19:01:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:20,516 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:20,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:20,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:20,517 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:20,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:20,517 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2020-07-28 19:01:20,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:20,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088188715] [2020-07-28 19:01:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:20,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:20,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:20,727 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:20,728 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:20,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:20,863 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:20,863 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:20,863 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-28 19:01:20,864 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-28 19:01:20,864 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 19:01:20,864 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 19:01:20,864 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 19:01:20,864 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 19:01:20,865 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:20,865 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:20,865 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:20,865 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 19:01:20,865 WARN L170 areAnnotationChecker]: L786 has no Hoare annotation [2020-07-28 19:01:20,865 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-28 19:01:20,866 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-28 19:01:20,866 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:20,866 WARN L170 areAnnotationChecker]: L595-1 has no Hoare annotation [2020-07-28 19:01:20,866 WARN L170 areAnnotationChecker]: L595-1 has no Hoare annotation [2020-07-28 19:01:20,866 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-28 19:01:20,866 WARN L170 areAnnotationChecker]: L810-3 has no Hoare annotation [2020-07-28 19:01:20,867 WARN L170 areAnnotationChecker]: L810-3 has no Hoare annotation [2020-07-28 19:01:20,867 WARN L170 areAnnotationChecker]: L595-2 has no Hoare annotation [2020-07-28 19:01:20,867 WARN L170 areAnnotationChecker]: L595-2 has no Hoare annotation [2020-07-28 19:01:20,867 WARN L170 areAnnotationChecker]: L748 has no Hoare annotation [2020-07-28 19:01:20,867 WARN L170 areAnnotationChecker]: L748 has no Hoare annotation [2020-07-28 19:01:20,867 WARN L170 areAnnotationChecker]: L602-1 has no Hoare annotation [2020-07-28 19:01:20,868 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:01:20,868 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-28 19:01:20,868 WARN L170 areAnnotationChecker]: L748-1 has no Hoare annotation [2020-07-28 19:01:20,868 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-28 19:01:20,868 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:01:20,868 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:01:20,869 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:20,869 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:20,869 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-28 19:01:20,869 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-28 19:01:20,869 WARN L170 areAnnotationChecker]: L758-1 has no Hoare annotation [2020-07-28 19:01:20,869 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 19:01:20,870 WARN L170 areAnnotationChecker]: L879-1 has no Hoare annotation [2020-07-28 19:01:20,870 WARN L170 areAnnotationChecker]: L768 has no Hoare annotation [2020-07-28 19:01:20,870 WARN L170 areAnnotationChecker]: L768 has no Hoare annotation [2020-07-28 19:01:20,870 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 19:01:20,870 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 19:01:20,870 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 19:01:20,871 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:20,871 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:20,871 WARN L170 areAnnotationChecker]: L774-1 has no Hoare annotation [2020-07-28 19:01:20,871 WARN L170 areAnnotationChecker]: L774-1 has no Hoare annotation [2020-07-28 19:01:20,871 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 19:01:20,872 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 19:01:20,872 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:01:20,872 WARN L170 areAnnotationChecker]: L672-1 has no Hoare annotation [2020-07-28 19:01:20,872 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2020-07-28 19:01:20,872 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2020-07-28 19:01:20,872 WARN L170 areAnnotationChecker]: L595 has no Hoare annotation [2020-07-28 19:01:20,873 WARN L170 areAnnotationChecker]: L595 has no Hoare annotation [2020-07-28 19:01:20,873 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-28 19:01:20,873 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-28 19:01:20,873 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 19:01:20,873 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 19:01:20,873 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:20,874 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:20,874 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-28 19:01:20,874 WARN L170 areAnnotationChecker]: L716-1 has no Hoare annotation [2020-07-28 19:01:20,874 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-28 19:01:20,874 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-28 19:01:20,875 WARN L170 areAnnotationChecker]: L799-1 has no Hoare annotation [2020-07-28 19:01:20,875 WARN L170 areAnnotationChecker]: L799-1 has no Hoare annotation [2020-07-28 19:01:20,875 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:01:20,875 WARN L170 areAnnotationChecker]: L810-6 has no Hoare annotation [2020-07-28 19:01:20,875 WARN L170 areAnnotationChecker]: L810-6 has no Hoare annotation [2020-07-28 19:01:20,875 WARN L170 areAnnotationChecker]: L595-3 has no Hoare annotation [2020-07-28 19:01:20,876 WARN L170 areAnnotationChecker]: L595-3 has no Hoare annotation [2020-07-28 19:01:20,876 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:20,876 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:20,876 WARN L170 areAnnotationChecker]: L602-2 has no Hoare annotation [2020-07-28 19:01:20,876 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 19:01:20,876 WARN L170 areAnnotationChecker]: L847-2 has no Hoare annotation [2020-07-28 19:01:20,877 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:20,877 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:20,877 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:20,877 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:20,877 WARN L170 areAnnotationChecker]: L672 has no Hoare annotation [2020-07-28 19:01:20,877 WARN L170 areAnnotationChecker]: L59-5 has no Hoare annotation [2020-07-28 19:01:20,878 WARN L170 areAnnotationChecker]: L879-2 has no Hoare annotation [2020-07-28 19:01:20,878 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:20,878 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:20,878 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:20,878 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:20,878 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 19:01:20,879 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 19:01:20,879 WARN L170 areAnnotationChecker]: L672-2 has no Hoare annotation [2020-07-28 19:01:20,879 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:20,879 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:20,879 WARN L170 areAnnotationChecker]: L799-2 has no Hoare annotation [2020-07-28 19:01:20,879 WARN L170 areAnnotationChecker]: L799-2 has no Hoare annotation [2020-07-28 19:01:20,880 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:20,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:20 BoogieIcfgContainer [2020-07-28 19:01:20,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:20,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:20,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:20,884 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:20,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:16" (3/4) ... [2020-07-28 19:01:20,887 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:21,000 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:21,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:21,003 INFO L168 Benchmark]: Toolchain (without parser) took 6628.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 962.9 MB in the beginning and 874.2 MB in the end (delta: 88.7 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:21,004 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:21,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Free memory was 962.9 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:21,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:21,005 INFO L168 Benchmark]: Boogie Preprocessor took 44.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:21,006 INFO L168 Benchmark]: RCFGBuilder took 1309.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 903.9 MB in the end (delta: 137.8 MB). Peak memory consumption was 137.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:21,006 INFO L168 Benchmark]: TraceAbstraction took 4259.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.0 MB). Free memory was 903.9 MB in the beginning and 891.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:21,007 INFO L168 Benchmark]: Witness Printer took 116.88 ms. Allocated memory is still 1.2 GB. Free memory was 891.3 MB in the beginning and 874.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:21,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 789.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Free memory was 962.9 MB in the beginning and 1.0 GB in the end (delta: -85.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1309.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 903.9 MB in the end (delta: 137.8 MB). Peak memory consumption was 137.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4259.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.0 MB). Free memory was 903.9 MB in the beginning and 891.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * Witness Printer took 116.88 ms. Allocated memory is still 1.2 GB. Free memory was 891.3 MB in the beginning and 874.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 799]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L78] int cleanupTimeShifts = 4; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L804] int waterLevel = 1; [L805] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L159] int retValue_acc ; [L160] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] tmp = valid_product() [L168] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L729] int splverifierCounter ; [L730] int tmp ; [L731] int tmp___0 ; [L732] int tmp___1 ; [L733] int tmp___2 ; [L736] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L738] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L740] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L746] tmp = __VERIFIER_nondet_int() [L748] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] COND TRUE waterLevel < 2 [L823] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] tmp___0 = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] tmp___2 = __VERIFIER_nondet_int() [L768] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L602] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L843] int retValue_acc ; [L846] retValue_acc = methaneLevelCritical [L847] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L875] int retValue_acc ; [L878] retValue_acc = waterLevel [L879] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L668] int retValue_acc ; [L671] retValue_acc = pumpRunning [L672] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...