./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product09.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 5e00f12062c7c62f6aec19aeda9d058e37c16487 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:26,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:26,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:26,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:26,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:26,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:26,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:26,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:26,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:26,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:26,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:26,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:26,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:26,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:26,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:26,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:26,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:26,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:26,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:26,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:26,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:26,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:26,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:26,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:26,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:26,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:26,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:26,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:26,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:26,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:26,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:26,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:26,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:26,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:26,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:26,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:26,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:26,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:26,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:26,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:26,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:26,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:26,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:26,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:26,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:26,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:26,878 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:26,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:26,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:26,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:26,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:26,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:26,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:26,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:26,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:26,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:26,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:26,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:26,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:26,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:26,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:26,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:26,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:26,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:26,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:26,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:26,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:26,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:26,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:26,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:26,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:26,886 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 -> 5e00f12062c7c62f6aec19aeda9d058e37c16487 [2020-07-28 18:57:27,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:27,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:27,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:27,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:27,209 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:27,209 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2020-07-28 18:57:27,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3fb63cb/09ca2c950077457c82ff6856113168e9/FLAG48e4372cb [2020-07-28 18:57:27,779 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:27,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2020-07-28 18:57:27,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3fb63cb/09ca2c950077457c82ff6856113168e9/FLAG48e4372cb [2020-07-28 18:57:28,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3fb63cb/09ca2c950077457c82ff6856113168e9 [2020-07-28 18:57:28,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:28,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:28,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:28,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:28,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:28,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:28,256 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 06:57:28, skipping insertion in model container [2020-07-28 18:57:28,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:28,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:28,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:28,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:28,737 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:28,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:28,909 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:28,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28 WrapperNode [2020-07-28 18:57:28,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:28,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:28,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:28,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:28,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:28,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:29,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:29,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:29,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:29,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... [2020-07-28 18:57:29,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:29,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:29,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:29,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:29,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:30,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:30,366 INFO L295 CfgBuilder]: Removed 66 assume(true) statements. [2020-07-28 18:57:30,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:30 BoogieIcfgContainer [2020-07-28 18:57:30,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:30,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:30,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:30,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:30,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:28" (1/3) ... [2020-07-28 18:57:30,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6414f39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:30, skipping insertion in model container [2020-07-28 18:57:30,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:28" (2/3) ... [2020-07-28 18:57:30,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6414f39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:30, skipping insertion in model container [2020-07-28 18:57:30,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:30" (3/3) ... [2020-07-28 18:57:30,380 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-07-28 18:57:30,391 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:30,399 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:30,414 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:30,439 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:30,440 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:30,440 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:30,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:30,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:30,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:30,441 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:30,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-07-28 18:57:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:30,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:30,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:30,469 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:30,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:30,476 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2020-07-28 18:57:30,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:30,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85408482] [2020-07-28 18:57:30,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:30,823 INFO L280 TraceCheckUtils]: 0: Hoare triple {60#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {60#true} is VALID [2020-07-28 18:57:30,824 INFO L280 TraceCheckUtils]: 1: Hoare triple {60#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {60#true} is VALID [2020-07-28 18:57:30,825 INFO L280 TraceCheckUtils]: 2: Hoare triple {60#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {60#true} is VALID [2020-07-28 18:57:30,825 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {60#true} is VALID [2020-07-28 18:57:30,826 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#true} assume 0 != main_~tmp~3; {60#true} is VALID [2020-07-28 18:57:30,826 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#true} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {60#true} is VALID [2020-07-28 18:57:30,828 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#true} assume !true; {61#false} is VALID [2020-07-28 18:57:30,828 INFO L280 TraceCheckUtils]: 7: Hoare triple {61#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {61#false} is VALID [2020-07-28 18:57:30,828 INFO L280 TraceCheckUtils]: 8: Hoare triple {61#false} assume !(0 != ~pumpRunning~0); {61#false} is VALID [2020-07-28 18:57:30,829 INFO L280 TraceCheckUtils]: 9: Hoare triple {61#false} assume 0 != ~systemActive~0; {61#false} is VALID [2020-07-28 18:57:30,829 INFO L280 TraceCheckUtils]: 10: Hoare triple {61#false} havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {61#false} is VALID [2020-07-28 18:57:30,830 INFO L280 TraceCheckUtils]: 11: Hoare triple {61#false} __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {61#false} is VALID [2020-07-28 18:57:30,830 INFO L280 TraceCheckUtils]: 12: Hoare triple {61#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {61#false} is VALID [2020-07-28 18:57:30,831 INFO L280 TraceCheckUtils]: 13: Hoare triple {61#false} __utac_acc__Specification1_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {61#false} is VALID [2020-07-28 18:57:30,831 INFO L280 TraceCheckUtils]: 14: Hoare triple {61#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {61#false} is VALID [2020-07-28 18:57:30,831 INFO L280 TraceCheckUtils]: 15: Hoare triple {61#false} assume !false; {61#false} is VALID [2020-07-28 18:57:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:30,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85408482] [2020-07-28 18:57:30,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:30,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:30,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965504783] [2020-07-28 18:57:30,845 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:30,847 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:30,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:30,892 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:30,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:30,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:30,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:30,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:30,905 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-07-28 18:57:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:31,118 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-07-28 18:57:31,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:31,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 161 transitions. [2020-07-28 18:57:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 161 transitions. [2020-07-28 18:57:31,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 161 transitions. [2020-07-28 18:57:31,374 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:31,387 INFO L225 Difference]: With dead ends: 108 [2020-07-28 18:57:31,387 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:57:31,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:31,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:57:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:57:31,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:31,441 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:31,442 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:31,442 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:31,447 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:31,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:31,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:31,449 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:31,450 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:31,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:31,454 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:31,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:31,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:31,456 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:31,456 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:57:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-07-28 18:57:31,462 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-07-28 18:57:31,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:31,462 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-07-28 18:57:31,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:31,464 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:31,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:31,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:31,465 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:31,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2020-07-28 18:57:31,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:31,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59077091] [2020-07-28 18:57:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:31,599 INFO L280 TraceCheckUtils]: 0: Hoare triple {398#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {398#true} is VALID [2020-07-28 18:57:31,599 INFO L280 TraceCheckUtils]: 1: Hoare triple {398#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {398#true} is VALID [2020-07-28 18:57:31,600 INFO L280 TraceCheckUtils]: 2: Hoare triple {398#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {398#true} is VALID [2020-07-28 18:57:31,600 INFO L280 TraceCheckUtils]: 3: Hoare triple {398#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {398#true} is VALID [2020-07-28 18:57:31,600 INFO L280 TraceCheckUtils]: 4: Hoare triple {398#true} assume 0 != main_~tmp~3; {398#true} is VALID [2020-07-28 18:57:31,602 INFO L280 TraceCheckUtils]: 5: Hoare triple {398#true} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:31,603 INFO L280 TraceCheckUtils]: 6: Hoare triple {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:31,604 INFO L280 TraceCheckUtils]: 7: Hoare triple {400#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {399#false} is VALID [2020-07-28 18:57:31,604 INFO L280 TraceCheckUtils]: 8: Hoare triple {399#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {399#false} is VALID [2020-07-28 18:57:31,604 INFO L280 TraceCheckUtils]: 9: Hoare triple {399#false} assume !(0 != ~pumpRunning~0); {399#false} is VALID [2020-07-28 18:57:31,605 INFO L280 TraceCheckUtils]: 10: Hoare triple {399#false} assume 0 != ~systemActive~0; {399#false} is VALID [2020-07-28 18:57:31,605 INFO L280 TraceCheckUtils]: 11: Hoare triple {399#false} havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {399#false} is VALID [2020-07-28 18:57:31,605 INFO L280 TraceCheckUtils]: 12: Hoare triple {399#false} __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {399#false} is VALID [2020-07-28 18:57:31,606 INFO L280 TraceCheckUtils]: 13: Hoare triple {399#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {399#false} is VALID [2020-07-28 18:57:31,606 INFO L280 TraceCheckUtils]: 14: Hoare triple {399#false} __utac_acc__Specification1_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {399#false} is VALID [2020-07-28 18:57:31,606 INFO L280 TraceCheckUtils]: 15: Hoare triple {399#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {399#false} is VALID [2020-07-28 18:57:31,606 INFO L280 TraceCheckUtils]: 16: Hoare triple {399#false} assume !false; {399#false} is VALID [2020-07-28 18:57:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:31,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59077091] [2020-07-28 18:57:31,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:31,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:31,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487358639] [2020-07-28 18:57:31,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:31,612 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:31,612 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:31,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:31,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:31,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:31,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:31,644 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-07-28 18:57:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:31,919 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:31,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:31,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 18:57:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 18:57:31,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 72 transitions. [2020-07-28 18:57:32,040 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:32,042 INFO L225 Difference]: With dead ends: 53 [2020-07-28 18:57:32,042 INFO L226 Difference]: Without dead ends: 27 [2020-07-28 18:57:32,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:32,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-28 18:57:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-28 18:57:32,057 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:32,058 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:32,058 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:32,058 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:32,060 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2020-07-28 18:57:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:32,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:32,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:32,061 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:32,062 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:32,064 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2020-07-28 18:57:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:32,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:32,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:32,065 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:32,065 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-28 18:57:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-07-28 18:57:32,067 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-07-28 18:57:32,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:32,067 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-07-28 18:57:32,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:32,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:32,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:32,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:32,069 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:32,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:32,070 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-07-28 18:57:32,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:32,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686519986] [2020-07-28 18:57:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:32,193 INFO L280 TraceCheckUtils]: 0: Hoare triple {569#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,194 INFO L280 TraceCheckUtils]: 1: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,195 INFO L280 TraceCheckUtils]: 2: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,195 INFO L280 TraceCheckUtils]: 3: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,196 INFO L280 TraceCheckUtils]: 4: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~3; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,197 INFO L280 TraceCheckUtils]: 5: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,198 INFO L280 TraceCheckUtils]: 6: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !false; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,199 INFO L280 TraceCheckUtils]: 8: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet65 && test_#t~nondet65 <= 2147483647;test_~tmp~5 := test_#t~nondet65;havoc test_#t~nondet65; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,200 INFO L280 TraceCheckUtils]: 9: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~5); {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,201 INFO L280 TraceCheckUtils]: 10: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp___0~0 := test_#t~nondet66;havoc test_#t~nondet66; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,201 INFO L280 TraceCheckUtils]: 11: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,202 INFO L280 TraceCheckUtils]: 12: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,203 INFO L280 TraceCheckUtils]: 13: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,204 INFO L280 TraceCheckUtils]: 14: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,205 INFO L280 TraceCheckUtils]: 15: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0; {571#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:32,205 INFO L280 TraceCheckUtils]: 16: Hoare triple {571#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {572#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:57:32,206 INFO L280 TraceCheckUtils]: 17: Hoare triple {572#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {573#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} is VALID [2020-07-28 18:57:32,207 INFO L280 TraceCheckUtils]: 18: Hoare triple {573#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {570#false} is VALID [2020-07-28 18:57:32,208 INFO L280 TraceCheckUtils]: 19: Hoare triple {570#false} __utac_acc__Specification1_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {570#false} is VALID [2020-07-28 18:57:32,208 INFO L280 TraceCheckUtils]: 20: Hoare triple {570#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {570#false} is VALID [2020-07-28 18:57:32,208 INFO L280 TraceCheckUtils]: 21: Hoare triple {570#false} assume !false; {570#false} is VALID [2020-07-28 18:57:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:32,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686519986] [2020-07-28 18:57:32,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:32,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:32,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782571151] [2020-07-28 18:57:32,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:32,213 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:32,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:32,249 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:32,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:32,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:32,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:32,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:32,250 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-07-28 18:57:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:32,828 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-07-28 18:57:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:57:32,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2020-07-28 18:57:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2020-07-28 18:57:32,837 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 167 transitions. [2020-07-28 18:57:33,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:33,054 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:57:33,055 INFO L226 Difference]: Without dead ends: 88 [2020-07-28 18:57:33,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:57:33,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-28 18:57:33,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-07-28 18:57:33,103 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:33,103 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:33,103 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:33,103 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:33,107 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2020-07-28 18:57:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2020-07-28 18:57:33,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:33,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:33,109 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 88 states. [2020-07-28 18:57:33,109 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 88 states. [2020-07-28 18:57:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:33,113 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2020-07-28 18:57:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2020-07-28 18:57:33,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:33,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:33,114 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:33,114 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-28 18:57:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-07-28 18:57:33,116 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-07-28 18:57:33,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:33,117 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-07-28 18:57:33,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-07-28 18:57:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:33,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:33,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:33,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:33,118 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:33,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-07-28 18:57:33,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:33,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33445067] [2020-07-28 18:57:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:33,218 INFO L280 TraceCheckUtils]: 0: Hoare triple {968#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,219 INFO L280 TraceCheckUtils]: 1: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,219 INFO L280 TraceCheckUtils]: 2: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,220 INFO L280 TraceCheckUtils]: 3: Hoare triple {970#(= 0 ~pumpRunning~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,221 INFO L280 TraceCheckUtils]: 4: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,221 INFO L280 TraceCheckUtils]: 5: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,224 INFO L280 TraceCheckUtils]: 6: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !false; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,225 INFO L280 TraceCheckUtils]: 7: Hoare triple {970#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,226 INFO L280 TraceCheckUtils]: 8: Hoare triple {970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet65 && test_#t~nondet65 <= 2147483647;test_~tmp~5 := test_#t~nondet65;havoc test_#t~nondet65; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,227 INFO L280 TraceCheckUtils]: 9: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,227 INFO L280 TraceCheckUtils]: 10: Hoare triple {970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp___0~0 := test_#t~nondet66;havoc test_#t~nondet66; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,228 INFO L280 TraceCheckUtils]: 11: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,229 INFO L280 TraceCheckUtils]: 12: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,229 INFO L280 TraceCheckUtils]: 13: Hoare triple {970#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,230 INFO L280 TraceCheckUtils]: 14: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,231 INFO L280 TraceCheckUtils]: 15: Hoare triple {970#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,231 INFO L280 TraceCheckUtils]: 16: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,232 INFO L280 TraceCheckUtils]: 17: Hoare triple {970#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,233 INFO L280 TraceCheckUtils]: 18: Hoare triple {970#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {970#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:33,234 INFO L280 TraceCheckUtils]: 19: Hoare triple {970#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {971#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:33,234 INFO L280 TraceCheckUtils]: 20: Hoare triple {971#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {972#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} is VALID [2020-07-28 18:57:33,235 INFO L280 TraceCheckUtils]: 21: Hoare triple {972#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {969#false} is VALID [2020-07-28 18:57:33,235 INFO L280 TraceCheckUtils]: 22: Hoare triple {969#false} assume !false; {969#false} is VALID [2020-07-28 18:57:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:33,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33445067] [2020-07-28 18:57:33,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:33,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:33,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040567969] [2020-07-28 18:57:33,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:33,239 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:33,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:33,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:33,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:33,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:33,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:33,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:33,273 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-07-28 18:57:33,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:33,749 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-07-28 18:57:33,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:33,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-07-28 18:57:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-07-28 18:57:33,754 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 112 transitions. [2020-07-28 18:57:33,896 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:33,897 INFO L225 Difference]: With dead ends: 130 [2020-07-28 18:57:33,897 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:33,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:57:33,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:33,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:33,899 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:33,900 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:33,900 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:33,900 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:33,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:33,900 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:33,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:33,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:33,901 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:33,901 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:33,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:33,901 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:33,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:33,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:33,902 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:33,902 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:33,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 18:57:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:33,902 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:33,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:33,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:33,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:33,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:34,126 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-07-28 18:57:34,127 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-07-28 18:57:34,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:34,127 INFO L268 CegarLoopResult]: For program point L813(lines 813 817) no Hoare annotation was computed. [2020-07-28 18:57:34,127 INFO L268 CegarLoopResult]: For program point L813-2(lines 649 655) no Hoare annotation was computed. [2020-07-28 18:57:34,127 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-07-28 18:57:34,128 INFO L264 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,128 INFO L264 CegarLoopResult]: At program point L649(lines 648 667) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,128 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2020-07-28 18:57:34,128 INFO L264 CegarLoopResult]: At program point L649-2(lines 648 667) the Hoare annotation is: false [2020-07-28 18:57:34,129 INFO L264 CegarLoopResult]: At program point L649-3(lines 648 667) the Hoare annotation is: false [2020-07-28 18:57:34,129 INFO L271 CegarLoopResult]: At program point L633(lines 614 636) the Hoare annotation is: true [2020-07-28 18:57:34,129 INFO L264 CegarLoopResult]: At program point L600(lines 596 602) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,129 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-28 18:57:34,129 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-28 18:57:34,129 INFO L268 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-07-28 18:57:34,129 INFO L268 CegarLoopResult]: For program point L534-2(line 534) no Hoare annotation was computed. [2020-07-28 18:57:34,130 INFO L264 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: false [2020-07-28 18:57:34,130 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,130 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-28 18:57:34,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:34,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-07-28 18:57:34,131 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-28 18:57:34,131 INFO L268 CegarLoopResult]: For program point L555-1(lines 649 655) no Hoare annotation was computed. [2020-07-28 18:57:34,131 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-07-28 18:57:34,132 INFO L268 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2020-07-28 18:57:34,132 INFO L268 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2020-07-28 18:57:34,132 INFO L268 CegarLoopResult]: For program point L787(lines 787 793) no Hoare annotation was computed. [2020-07-28 18:57:34,132 INFO L264 CegarLoopResult]: At program point L787-1(lines 787 793) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,133 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:34,133 INFO L264 CegarLoopResult]: At program point L656(lines 656 662) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,133 INFO L264 CegarLoopResult]: At program point L656-1(lines 656 662) the Hoare annotation is: false [2020-07-28 18:57:34,133 INFO L264 CegarLoopResult]: At program point L656-2(lines 656 662) the Hoare annotation is: false [2020-07-28 18:57:34,133 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-07-28 18:57:34,134 INFO L271 CegarLoopResult]: At program point L624-1(lines 624 631) the Hoare annotation is: true [2020-07-28 18:57:34,134 INFO L264 CegarLoopResult]: At program point L823(lines 776 824) the Hoare annotation is: false [2020-07-28 18:57:34,134 INFO L264 CegarLoopResult]: At program point L493(lines 488 496) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,134 INFO L264 CegarLoopResult]: At program point L493-1(lines 488 496) the Hoare annotation is: false [2020-07-28 18:57:34,135 INFO L264 CegarLoopResult]: At program point L493-2(lines 488 496) the Hoare annotation is: false [2020-07-28 18:57:34,135 INFO L268 CegarLoopResult]: For program point L840(lines 840 853) no Hoare annotation was computed. [2020-07-28 18:57:34,135 INFO L268 CegarLoopResult]: For program point L807(lines 807 818) no Hoare annotation was computed. [2020-07-28 18:57:34,135 INFO L264 CegarLoopResult]: At program point L840-1(lines 1 856) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,135 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 853) no Hoare annotation was computed. [2020-07-28 18:57:34,136 INFO L264 CegarLoopResult]: At program point L840-3(lines 1 856) the Hoare annotation is: false [2020-07-28 18:57:34,136 INFO L268 CegarLoopResult]: For program point L840-4(lines 840 853) no Hoare annotation was computed. [2020-07-28 18:57:34,136 INFO L264 CegarLoopResult]: At program point L840-5(lines 1 856) the Hoare annotation is: false [2020-07-28 18:57:34,136 INFO L264 CegarLoopResult]: At program point L65(lines 1 856) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,137 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:34,137 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-07-28 18:57:34,137 INFO L264 CegarLoopResult]: At program point L726(lines 721 729) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:34,137 INFO L264 CegarLoopResult]: At program point L726-1(lines 721 729) the Hoare annotation is: false [2020-07-28 18:57:34,137 INFO L264 CegarLoopResult]: At program point L726-2(lines 721 729) the Hoare annotation is: false [2020-07-28 18:57:34,138 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-07-28 18:57:34,138 INFO L268 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-07-28 18:57:34,138 INFO L268 CegarLoopResult]: For program point L778(lines 777 822) no Hoare annotation was computed. [2020-07-28 18:57:34,138 INFO L268 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-07-28 18:57:34,138 INFO L268 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-07-28 18:57:34,143 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:34,144 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:34,145 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-28 18:57:34,145 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-28 18:57:34,145 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-28 18:57:34,147 WARN L170 areAnnotationChecker]: L456-3 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L456-3 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L840-2 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 18:57:34,148 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L840-2 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L840-2 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L844-2 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L844-2 has no Hoare annotation [2020-07-28 18:57:34,149 WARN L170 areAnnotationChecker]: L844-2 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L813-2 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L813-2 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L456 has no Hoare annotation [2020-07-28 18:57:34,150 WARN L170 areAnnotationChecker]: L456 has no Hoare annotation [2020-07-28 18:57:34,151 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-28 18:57:34,152 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-28 18:57:34,152 WARN L170 areAnnotationChecker]: L555-1 has no Hoare annotation [2020-07-28 18:57:34,152 WARN L170 areAnnotationChecker]: L555-1 has no Hoare annotation [2020-07-28 18:57:34,152 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2020-07-28 18:57:34,152 WARN L170 areAnnotationChecker]: L456-6 has no Hoare annotation [2020-07-28 18:57:34,152 WARN L170 areAnnotationChecker]: L456-6 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L840-4 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L840-4 has no Hoare annotation [2020-07-28 18:57:34,153 WARN L170 areAnnotationChecker]: L840-4 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L844-4 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L844-4 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L844-4 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L534-2 has no Hoare annotation [2020-07-28 18:57:34,154 WARN L170 areAnnotationChecker]: L534-2 has no Hoare annotation [2020-07-28 18:57:34,155 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:34,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:34 BoogieIcfgContainer [2020-07-28 18:57:34,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:34,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:34,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:34,173 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:34,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:30" (3/4) ... [2020-07-28 18:57:34,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:34,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:34,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:34,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:34,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:34,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:34,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:34,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:34,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:57:34,328 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:34,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:34,331 INFO L168 Benchmark]: Toolchain (without parser) took 6089.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 961.6 MB in the beginning and 982.2 MB in the end (delta: -20.6 MB). Peak memory consumption was 195.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:34,332 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:34,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:34,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:34,333 INFO L168 Benchmark]: Boogie Preprocessor took 68.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:34,334 INFO L168 Benchmark]: RCFGBuilder took 1272.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.3 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:34,334 INFO L168 Benchmark]: TraceAbstraction took 3799.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 988.3 MB in the beginning and 989.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:34,338 INFO L168 Benchmark]: Witness Printer took 156.17 ms. Allocated memory is still 1.2 GB. Free memory was 989.7 MB in the beginning and 982.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:34,341 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 0.28 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 665.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1272.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.3 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3799.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 988.3 MB in the beginning and 989.7 MB in the end (delta: -1.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. * Witness Printer took 156.17 ms. Allocated memory is still 1.2 GB. Free memory was 989.7 MB in the beginning and 982.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 534]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 534]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...