./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product25.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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:59:34,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:34,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:34,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:34,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:34,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:34,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:34,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:34,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:34,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:34,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:34,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:34,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:34,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:34,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:34,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:34,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:34,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:34,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:34,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:34,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:34,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:34,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:34,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:34,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:34,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:34,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:34,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:34,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:34,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:34,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:34,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:34,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:34,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:34,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:34,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:34,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:34,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:34,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:34,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:34,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:34,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:34,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:34,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:34,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:34,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:34,719 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:34,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:34,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:34,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:34,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:34,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:34,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:34,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:34,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:34,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:34,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:34,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:34,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:34,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:34,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:34,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:34,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:34,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:34,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:34,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:34,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:34,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:34,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:34,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:34,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:34,725 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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2020-07-28 18:59:35,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:35,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:35,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:35,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:35,080 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:35,081 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-07-28 18:59:35,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88317d5af/600c82778b084ff8b6998feebc1a86be/FLAG13306515b [2020-07-28 18:59:35,714 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:35,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-07-28 18:59:35,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88317d5af/600c82778b084ff8b6998feebc1a86be/FLAG13306515b [2020-07-28 18:59:36,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88317d5af/600c82778b084ff8b6998feebc1a86be [2020-07-28 18:59:36,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:36,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:36,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:36,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:36,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:36,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caa0db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36, skipping insertion in model container [2020-07-28 18:59:36,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:36,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:36,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:36,601 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:36,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:36,746 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:36,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36 WrapperNode [2020-07-28 18:59:36,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:36,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:36,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:36,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:36,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:36,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:36,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:36,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:36,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... [2020-07-28 18:59:36,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:36,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:36,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:36,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:36,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:38,285 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:38,286 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 18:59:38,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:38 BoogieIcfgContainer [2020-07-28 18:59:38,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:38,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:38,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:38,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:38,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:36" (1/3) ... [2020-07-28 18:59:38,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674b47d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:38, skipping insertion in model container [2020-07-28 18:59:38,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:36" (2/3) ... [2020-07-28 18:59:38,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674b47d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:38, skipping insertion in model container [2020-07-28 18:59:38,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:38" (3/3) ... [2020-07-28 18:59:38,301 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-07-28 18:59:38,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:38,317 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:38,328 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:38,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:38,349 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:38,349 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:38,349 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:38,349 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:38,349 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:38,350 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:38,350 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-07-28 18:59:38,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:38,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:38,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:38,381 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:38,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:38,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2020-07-28 18:59:38,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:38,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062178989] [2020-07-28 18:59:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:38,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {82#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {82#true} is VALID [2020-07-28 18:59:38,733 INFO L280 TraceCheckUtils]: 1: Hoare triple {82#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {82#true} is VALID [2020-07-28 18:59:38,734 INFO L280 TraceCheckUtils]: 2: Hoare triple {82#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {82#true} is VALID [2020-07-28 18:59:38,734 INFO L280 TraceCheckUtils]: 3: Hoare triple {82#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {82#true} is VALID [2020-07-28 18:59:38,735 INFO L280 TraceCheckUtils]: 4: Hoare triple {82#true} assume 0 != main_~tmp~0; {82#true} is VALID [2020-07-28 18:59:38,735 INFO L280 TraceCheckUtils]: 5: Hoare triple {82#true} ~methAndRunningLastTime~0 := 0; {82#true} is VALID [2020-07-28 18:59:38,736 INFO L280 TraceCheckUtils]: 6: Hoare triple {82#true} havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {82#true} is VALID [2020-07-28 18:59:38,737 INFO L280 TraceCheckUtils]: 7: Hoare triple {82#true} assume !true; {83#false} is VALID [2020-07-28 18:59:38,737 INFO L280 TraceCheckUtils]: 8: Hoare triple {83#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {83#false} is VALID [2020-07-28 18:59:38,738 INFO L280 TraceCheckUtils]: 9: Hoare triple {83#false} assume !(0 != ~pumpRunning~0); {83#false} is VALID [2020-07-28 18:59:38,738 INFO L280 TraceCheckUtils]: 10: Hoare triple {83#false} assume !(0 != ~systemActive~0); {83#false} is VALID [2020-07-28 18:59:38,739 INFO L280 TraceCheckUtils]: 11: Hoare triple {83#false} havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {83#false} is VALID [2020-07-28 18:59:38,739 INFO L280 TraceCheckUtils]: 12: Hoare triple {83#false} __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret36 && __utac_acc__Specification2_spec__2_#t~ret36 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; {83#false} is VALID [2020-07-28 18:59:38,742 INFO L280 TraceCheckUtils]: 13: Hoare triple {83#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {83#false} is VALID [2020-07-28 18:59:38,743 INFO L280 TraceCheckUtils]: 14: Hoare triple {83#false} __utac_acc__Specification2_spec__2_#t~ret37 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret37 && __utac_acc__Specification2_spec__2_#t~ret37 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; {83#false} is VALID [2020-07-28 18:59:38,743 INFO L280 TraceCheckUtils]: 15: Hoare triple {83#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {83#false} is VALID [2020-07-28 18:59:38,743 INFO L280 TraceCheckUtils]: 16: Hoare triple {83#false} assume 0 != ~methAndRunningLastTime~0; {83#false} is VALID [2020-07-28 18:59:38,744 INFO L280 TraceCheckUtils]: 17: Hoare triple {83#false} assume !false; {83#false} is VALID [2020-07-28 18:59:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:38,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062178989] [2020-07-28 18:59:38,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:38,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:38,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812838980] [2020-07-28 18:59:38,760 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:38,764 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:38,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:38,827 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:38,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:38,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:38,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:38,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:38,843 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2020-07-28 18:59:39,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:39,111 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2020-07-28 18:59:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:39,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 228 transitions. [2020-07-28 18:59:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 228 transitions. [2020-07-28 18:59:39,130 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 228 transitions. [2020-07-28 18:59:39,456 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:39,470 INFO L225 Difference]: With dead ends: 151 [2020-07-28 18:59:39,471 INFO L226 Difference]: Without dead ends: 75 [2020-07-28 18:59:39,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-28 18:59:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-28 18:59:39,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:39,533 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-28 18:59:39,534 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 18:59:39,534 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 18:59:39,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:39,541 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-07-28 18:59:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-07-28 18:59:39,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:39,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:39,542 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 18:59:39,543 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 18:59:39,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:39,549 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-07-28 18:59:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-07-28 18:59:39,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:39,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:39,550 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:39,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-28 18:59:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-07-28 18:59:39,557 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-07-28 18:59:39,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:39,557 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-07-28 18:59:39,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-07-28 18:59:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:39,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:39,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:39,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:39,560 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:39,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:39,560 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2020-07-28 18:59:39,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:39,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208610087] [2020-07-28 18:59:39,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:39,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {549#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {549#true} is VALID [2020-07-28 18:59:39,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {549#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {549#true} is VALID [2020-07-28 18:59:39,746 INFO L280 TraceCheckUtils]: 2: Hoare triple {549#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {549#true} is VALID [2020-07-28 18:59:39,746 INFO L280 TraceCheckUtils]: 3: Hoare triple {549#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {549#true} is VALID [2020-07-28 18:59:39,746 INFO L280 TraceCheckUtils]: 4: Hoare triple {549#true} assume 0 != main_~tmp~0; {549#true} is VALID [2020-07-28 18:59:39,747 INFO L280 TraceCheckUtils]: 5: Hoare triple {549#true} ~methAndRunningLastTime~0 := 0; {549#true} is VALID [2020-07-28 18:59:39,748 INFO L280 TraceCheckUtils]: 6: Hoare triple {549#true} havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {551#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:39,749 INFO L280 TraceCheckUtils]: 7: Hoare triple {551#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {551#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:39,749 INFO L280 TraceCheckUtils]: 8: Hoare triple {551#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {550#false} is VALID [2020-07-28 18:59:39,750 INFO L280 TraceCheckUtils]: 9: Hoare triple {550#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {550#false} is VALID [2020-07-28 18:59:39,750 INFO L280 TraceCheckUtils]: 10: Hoare triple {550#false} assume !(0 != ~pumpRunning~0); {550#false} is VALID [2020-07-28 18:59:39,750 INFO L280 TraceCheckUtils]: 11: Hoare triple {550#false} assume !(0 != ~systemActive~0); {550#false} is VALID [2020-07-28 18:59:39,751 INFO L280 TraceCheckUtils]: 12: Hoare triple {550#false} havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {550#false} is VALID [2020-07-28 18:59:39,751 INFO L280 TraceCheckUtils]: 13: Hoare triple {550#false} __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret36 && __utac_acc__Specification2_spec__2_#t~ret36 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; {550#false} is VALID [2020-07-28 18:59:39,751 INFO L280 TraceCheckUtils]: 14: Hoare triple {550#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {550#false} is VALID [2020-07-28 18:59:39,752 INFO L280 TraceCheckUtils]: 15: Hoare triple {550#false} __utac_acc__Specification2_spec__2_#t~ret37 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret37 && __utac_acc__Specification2_spec__2_#t~ret37 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; {550#false} is VALID [2020-07-28 18:59:39,752 INFO L280 TraceCheckUtils]: 16: Hoare triple {550#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {550#false} is VALID [2020-07-28 18:59:39,752 INFO L280 TraceCheckUtils]: 17: Hoare triple {550#false} assume 0 != ~methAndRunningLastTime~0; {550#false} is VALID [2020-07-28 18:59:39,753 INFO L280 TraceCheckUtils]: 18: Hoare triple {550#false} assume !false; {550#false} is VALID [2020-07-28 18:59:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:39,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208610087] [2020-07-28 18:59:39,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:39,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:39,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196661466] [2020-07-28 18:59:39,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:39,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:39,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:39,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:39,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:39,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:39,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:39,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:39,797 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-07-28 18:59:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:40,043 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-07-28 18:59:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:40,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2020-07-28 18:59:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2020-07-28 18:59:40,050 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 106 transitions. [2020-07-28 18:59:40,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:40,201 INFO L225 Difference]: With dead ends: 75 [2020-07-28 18:59:40,202 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 18:59:40,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:40,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 18:59:40,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 18:59:40,222 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:40,222 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:40,223 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:40,223 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:40,225 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:40,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:40,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:40,227 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:40,227 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:40,230 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:40,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:40,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:40,253 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:40,253 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 18:59:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 18:59:40,256 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 18:59:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:40,256 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 18:59:40,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:40,257 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:40,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:40,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:40,259 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:40,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:40,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-07-28 18:59:40,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:40,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358899894] [2020-07-28 18:59:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:40,414 INFO L280 TraceCheckUtils]: 0: Hoare triple {776#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {778#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:40,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {778#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {778#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:40,418 INFO L280 TraceCheckUtils]: 2: Hoare triple {778#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {779#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:59:40,419 INFO L280 TraceCheckUtils]: 3: Hoare triple {779#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {780#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-28 18:59:40,420 INFO L280 TraceCheckUtils]: 4: Hoare triple {780#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,421 INFO L280 TraceCheckUtils]: 5: Hoare triple {781#(not (= 0 ~systemActive~0))} ~methAndRunningLastTime~0 := 0; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,421 INFO L280 TraceCheckUtils]: 6: Hoare triple {781#(not (= 0 ~systemActive~0))} havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,422 INFO L280 TraceCheckUtils]: 7: Hoare triple {781#(not (= 0 ~systemActive~0))} assume !false; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,423 INFO L280 TraceCheckUtils]: 8: Hoare triple {781#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,424 INFO L280 TraceCheckUtils]: 9: Hoare triple {781#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,425 INFO L280 TraceCheckUtils]: 10: Hoare triple {781#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~1); {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,426 INFO L280 TraceCheckUtils]: 11: Hoare triple {781#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,427 INFO L280 TraceCheckUtils]: 12: Hoare triple {781#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,428 INFO L280 TraceCheckUtils]: 13: Hoare triple {781#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {781#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,430 INFO L280 TraceCheckUtils]: 15: Hoare triple {781#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {781#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:40,431 INFO L280 TraceCheckUtils]: 16: Hoare triple {781#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {777#false} is VALID [2020-07-28 18:59:40,431 INFO L280 TraceCheckUtils]: 17: Hoare triple {777#false} havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {777#false} is VALID [2020-07-28 18:59:40,431 INFO L280 TraceCheckUtils]: 18: Hoare triple {777#false} __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret36 && __utac_acc__Specification2_spec__2_#t~ret36 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; {777#false} is VALID [2020-07-28 18:59:40,432 INFO L280 TraceCheckUtils]: 19: Hoare triple {777#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {777#false} is VALID [2020-07-28 18:59:40,432 INFO L280 TraceCheckUtils]: 20: Hoare triple {777#false} __utac_acc__Specification2_spec__2_#t~ret37 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret37 && __utac_acc__Specification2_spec__2_#t~ret37 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; {777#false} is VALID [2020-07-28 18:59:40,433 INFO L280 TraceCheckUtils]: 21: Hoare triple {777#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {777#false} is VALID [2020-07-28 18:59:40,433 INFO L280 TraceCheckUtils]: 22: Hoare triple {777#false} assume 0 != ~methAndRunningLastTime~0; {777#false} is VALID [2020-07-28 18:59:40,433 INFO L280 TraceCheckUtils]: 23: Hoare triple {777#false} assume !false; {777#false} is VALID [2020-07-28 18:59:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:40,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358899894] [2020-07-28 18:59:40,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:40,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:59:40,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63021058] [2020-07-28 18:59:40,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 18:59:40,438 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:40,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:59:40,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:40,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:59:40,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:40,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:59:40,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:59:40,479 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-07-28 18:59:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:40,942 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-07-28 18:59:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:40,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 18:59:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 91 transitions. [2020-07-28 18:59:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 91 transitions. [2020-07-28 18:59:40,946 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 91 transitions. [2020-07-28 18:59:41,056 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:41,058 INFO L225 Difference]: With dead ends: 63 [2020-07-28 18:59:41,058 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 18:59:41,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:59:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 18:59:41,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 18:59:41,088 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:41,089 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:41,089 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:41,089 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:41,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:41,091 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2020-07-28 18:59:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-07-28 18:59:41,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:41,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:41,092 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:41,092 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:41,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:41,094 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2020-07-28 18:59:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-07-28 18:59:41,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:41,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:41,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:41,095 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 18:59:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-07-28 18:59:41,097 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-07-28 18:59:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:41,097 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-07-28 18:59:41,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:59:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-07-28 18:59:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:41,098 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:41,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:41,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:41,099 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:41,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:41,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-07-28 18:59:41,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:41,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30985626] [2020-07-28 18:59:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:41,192 INFO L280 TraceCheckUtils]: 0: Hoare triple {991#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,193 INFO L280 TraceCheckUtils]: 1: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,193 INFO L280 TraceCheckUtils]: 2: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,194 INFO L280 TraceCheckUtils]: 3: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,195 INFO L280 TraceCheckUtils]: 4: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,195 INFO L280 TraceCheckUtils]: 5: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,196 INFO L280 TraceCheckUtils]: 6: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,197 INFO L280 TraceCheckUtils]: 7: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume !false; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,197 INFO L280 TraceCheckUtils]: 8: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,198 INFO L280 TraceCheckUtils]: 9: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,198 INFO L280 TraceCheckUtils]: 10: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~1); {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,199 INFO L280 TraceCheckUtils]: 11: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,200 INFO L280 TraceCheckUtils]: 12: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,200 INFO L280 TraceCheckUtils]: 13: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,201 INFO L280 TraceCheckUtils]: 14: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,201 INFO L280 TraceCheckUtils]: 15: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,202 INFO L280 TraceCheckUtils]: 16: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,203 INFO L280 TraceCheckUtils]: 17: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {993#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:41,204 INFO L280 TraceCheckUtils]: 18: Hoare triple {993#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {994#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:41,204 INFO L280 TraceCheckUtils]: 19: Hoare triple {994#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret36 && __utac_acc__Specification2_spec__2_#t~ret36 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; {995#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)} is VALID [2020-07-28 18:59:41,205 INFO L280 TraceCheckUtils]: 20: Hoare triple {995#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {992#false} is VALID [2020-07-28 18:59:41,206 INFO L280 TraceCheckUtils]: 21: Hoare triple {992#false} __utac_acc__Specification2_spec__2_#t~ret37 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret37 && __utac_acc__Specification2_spec__2_#t~ret37 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; {992#false} is VALID [2020-07-28 18:59:41,206 INFO L280 TraceCheckUtils]: 22: Hoare triple {992#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {992#false} is VALID [2020-07-28 18:59:41,206 INFO L280 TraceCheckUtils]: 23: Hoare triple {992#false} assume 0 != ~methAndRunningLastTime~0; {992#false} is VALID [2020-07-28 18:59:41,206 INFO L280 TraceCheckUtils]: 24: Hoare triple {992#false} assume !false; {992#false} is VALID [2020-07-28 18:59:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:41,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30985626] [2020-07-28 18:59:41,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:41,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:41,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215345550] [2020-07-28 18:59:41,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:41,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:41,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:41,249 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:41,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:41,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:41,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:41,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:41,250 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-07-28 18:59:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:41,920 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-07-28 18:59:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:41,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:41,930 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-28 18:59:42,170 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:42,175 INFO L225 Difference]: With dead ends: 154 [2020-07-28 18:59:42,175 INFO L226 Difference]: Without dead ends: 126 [2020-07-28 18:59:42,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-28 18:59:42,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-07-28 18:59:42,262 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:42,263 INFO L82 GeneralOperation]: Start isEquivalent. First operand 126 states. Second operand 58 states. [2020-07-28 18:59:42,263 INFO L74 IsIncluded]: Start isIncluded. First operand 126 states. Second operand 58 states. [2020-07-28 18:59:42,263 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 58 states. [2020-07-28 18:59:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:42,268 INFO L93 Difference]: Finished difference Result 126 states and 184 transitions. [2020-07-28 18:59:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2020-07-28 18:59:42,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:42,270 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:42,270 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 126 states. [2020-07-28 18:59:42,270 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 126 states. [2020-07-28 18:59:42,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:42,276 INFO L93 Difference]: Finished difference Result 126 states and 184 transitions. [2020-07-28 18:59:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2020-07-28 18:59:42,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:42,278 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:42,278 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:42,278 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-28 18:59:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-07-28 18:59:42,281 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-07-28 18:59:42,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:42,281 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-07-28 18:59:42,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-07-28 18:59:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:42,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:42,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:42,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:42,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:42,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-07-28 18:59:42,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:42,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67812021] [2020-07-28 18:59:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:42,377 INFO L280 TraceCheckUtils]: 0: Hoare triple {1545#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,378 INFO L280 TraceCheckUtils]: 1: Hoare triple {1547#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,379 INFO L280 TraceCheckUtils]: 2: Hoare triple {1547#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,380 INFO L280 TraceCheckUtils]: 3: Hoare triple {1547#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,383 INFO L280 TraceCheckUtils]: 4: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,389 INFO L280 TraceCheckUtils]: 5: Hoare triple {1547#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,390 INFO L280 TraceCheckUtils]: 6: Hoare triple {1547#(= 0 ~pumpRunning~0)} havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,390 INFO L280 TraceCheckUtils]: 7: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume !false; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,391 INFO L280 TraceCheckUtils]: 8: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,392 INFO L280 TraceCheckUtils]: 9: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,392 INFO L280 TraceCheckUtils]: 10: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,393 INFO L280 TraceCheckUtils]: 11: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,394 INFO L280 TraceCheckUtils]: 12: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,394 INFO L280 TraceCheckUtils]: 13: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,395 INFO L280 TraceCheckUtils]: 14: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,395 INFO L280 TraceCheckUtils]: 15: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,396 INFO L280 TraceCheckUtils]: 16: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,396 INFO L280 TraceCheckUtils]: 17: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,397 INFO L280 TraceCheckUtils]: 18: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,401 INFO L280 TraceCheckUtils]: 19: Hoare triple {1547#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,403 INFO L280 TraceCheckUtils]: 20: Hoare triple {1547#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret36 && __utac_acc__Specification2_spec__2_#t~ret36 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; {1547#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:42,404 INFO L280 TraceCheckUtils]: 21: Hoare triple {1547#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1548#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:42,405 INFO L280 TraceCheckUtils]: 22: Hoare triple {1548#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret37 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret37 && __utac_acc__Specification2_spec__2_#t~ret37 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; {1549#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~2)} is VALID [2020-07-28 18:59:42,406 INFO L280 TraceCheckUtils]: 23: Hoare triple {1549#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~2)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2; {1546#false} is VALID [2020-07-28 18:59:42,407 INFO L280 TraceCheckUtils]: 24: Hoare triple {1546#false} assume 0 != ~methAndRunningLastTime~0; {1546#false} is VALID [2020-07-28 18:59:42,407 INFO L280 TraceCheckUtils]: 25: Hoare triple {1546#false} assume !false; {1546#false} is VALID [2020-07-28 18:59:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:42,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67812021] [2020-07-28 18:59:42,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:42,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:42,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180995204] [2020-07-28 18:59:42,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:42,410 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:42,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:42,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:42,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:42,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:42,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:42,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:42,456 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-07-28 18:59:42,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:42,941 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-07-28 18:59:42,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:42,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2020-07-28 18:59:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2020-07-28 18:59:42,953 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 126 transitions. [2020-07-28 18:59:43,104 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:43,104 INFO L225 Difference]: With dead ends: 150 [2020-07-28 18:59:43,105 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:43,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:43,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:43,106 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:43,107 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:43,107 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:43,107 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:43,109 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:43,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:43,110 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:43,110 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:43,110 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:43,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:43,111 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:43,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:43,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:43,112 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:43,112 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:43,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-28 18:59:43,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:43,113 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:43,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:43,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:43,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:43,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:43,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-07-28 18:59:43,546 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 18:59:43,546 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-07-28 18:59:43,546 INFO L264 CegarLoopResult]: At program point L168(lines 1 926) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,546 INFO L264 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:43,546 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 18:59:43,547 INFO L264 CegarLoopResult]: At program point L268(lines 268 274) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,547 INFO L264 CegarLoopResult]: At program point L268-1(lines 268 274) the Hoare annotation is: false [2020-07-28 18:59:43,547 INFO L264 CegarLoopResult]: At program point L268-2(lines 268 274) the Hoare annotation is: false [2020-07-28 18:59:43,547 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,547 INFO L264 CegarLoopResult]: At program point L468(lines 463 471) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,548 INFO L264 CegarLoopResult]: At program point L468-1(lines 463 471) the Hoare annotation is: false [2020-07-28 18:59:43,548 INFO L264 CegarLoopResult]: At program point L468-2(lines 463 471) the Hoare annotation is: false [2020-07-28 18:59:43,548 INFO L264 CegarLoopResult]: At program point L237(lines 190 238) the Hoare annotation is: false [2020-07-28 18:59:43,548 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-28 18:59:43,548 INFO L268 CegarLoopResult]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-07-28 18:59:43,548 INFO L268 CegarLoopResult]: For program point L518-2(line 518) no Hoare annotation was computed. [2020-07-28 18:59:43,548 INFO L264 CegarLoopResult]: At program point L419(lines 404 422) the Hoare annotation is: false [2020-07-28 18:59:43,549 INFO L264 CegarLoopResult]: At program point L419-1(lines 404 422) the Hoare annotation is: false [2020-07-28 18:59:43,549 INFO L264 CegarLoopResult]: At program point L419-2(lines 404 422) the Hoare annotation is: false [2020-07-28 18:59:43,549 INFO L268 CegarLoopResult]: For program point L221(lines 221 232) no Hoare annotation was computed. [2020-07-28 18:59:43,549 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 18:59:43,549 INFO L268 CegarLoopResult]: For program point L56-1(lines 261 267) no Hoare annotation was computed. [2020-07-28 18:59:43,549 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:43,549 INFO L271 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-07-28 18:59:43,549 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-07-28 18:59:43,549 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-07-28 18:59:43,550 INFO L268 CegarLoopResult]: For program point L192(lines 191 236) no Hoare annotation was computed. [2020-07-28 18:59:43,550 INFO L264 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,550 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-28 18:59:43,550 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:43,550 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-07-28 18:59:43,551 INFO L264 CegarLoopResult]: At program point L540-1(lines 1 926) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,551 INFO L268 CegarLoopResult]: For program point L540-2(lines 540 557) no Hoare annotation was computed. [2020-07-28 18:59:43,551 INFO L264 CegarLoopResult]: At program point L540-3(lines 1 926) the Hoare annotation is: false [2020-07-28 18:59:43,552 INFO L268 CegarLoopResult]: For program point L540-4(lines 540 557) no Hoare annotation was computed. [2020-07-28 18:59:43,552 INFO L264 CegarLoopResult]: At program point L540-5(lines 1 926) the Hoare annotation is: false [2020-07-28 18:59:43,552 INFO L268 CegarLoopResult]: For program point L293(lines 293 310) no Hoare annotation was computed. [2020-07-28 18:59:43,552 INFO L268 CegarLoopResult]: For program point L293-1(lines 293 310) no Hoare annotation was computed. [2020-07-28 18:59:43,552 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-28 18:59:43,553 INFO L268 CegarLoopResult]: For program point L293-2(lines 293 310) no Hoare annotation was computed. [2020-07-28 18:59:43,553 INFO L268 CegarLoopResult]: For program point L227-2(lines 261 267) no Hoare annotation was computed. [2020-07-28 18:59:43,553 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-07-28 18:59:43,553 INFO L264 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,554 INFO L264 CegarLoopResult]: At program point L261(lines 260 279) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,554 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-07-28 18:59:43,554 INFO L264 CegarLoopResult]: At program point L261-2(lines 260 279) the Hoare annotation is: false [2020-07-28 18:59:43,554 INFO L264 CegarLoopResult]: At program point L261-3(lines 260 279) the Hoare annotation is: false [2020-07-28 18:59:43,554 INFO L264 CegarLoopResult]: At program point L509(lines 504 512) the Hoare annotation is: false [2020-07-28 18:59:43,555 INFO L264 CegarLoopResult]: At program point L509-1(lines 504 512) the Hoare annotation is: false [2020-07-28 18:59:43,555 INFO L268 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-07-28 18:59:43,555 INFO L264 CegarLoopResult]: At program point L509-2(lines 504 512) the Hoare annotation is: false [2020-07-28 18:59:43,555 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-07-28 18:59:43,555 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:43,555 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 554) no Hoare annotation was computed. [2020-07-28 18:59:43,556 INFO L268 CegarLoopResult]: For program point L544-4(lines 544 554) no Hoare annotation was computed. [2020-07-28 18:59:43,556 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-07-28 18:59:43,556 INFO L268 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2020-07-28 18:59:43,556 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 305) no Hoare annotation was computed. [2020-07-28 18:59:43,556 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 305) no Hoare annotation was computed. [2020-07-28 18:59:43,557 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-28 18:59:43,557 INFO L271 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-07-28 18:59:43,557 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-07-28 18:59:43,557 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2020-07-28 18:59:43,557 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-07-28 18:59:43,558 INFO L268 CegarLoopResult]: For program point L545-4(lines 545 551) no Hoare annotation was computed. [2020-07-28 18:59:43,558 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2020-07-28 18:59:43,558 INFO L268 CegarLoopResult]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2020-07-28 18:59:43,558 INFO L268 CegarLoopResult]: For program point L413-5(lines 413 417) no Hoare annotation was computed. [2020-07-28 18:59:43,558 INFO L268 CegarLoopResult]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2020-07-28 18:59:43,558 INFO L268 CegarLoopResult]: For program point L413-8(lines 413 417) no Hoare annotation was computed. [2020-07-28 18:59:43,559 INFO L264 CegarLoopResult]: At program point L529(lines 524 531) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,559 INFO L264 CegarLoopResult]: At program point L364(lines 359 367) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:43,559 INFO L264 CegarLoopResult]: At program point L364-1(lines 359 367) the Hoare annotation is: false [2020-07-28 18:59:43,559 INFO L264 CegarLoopResult]: At program point L364-2(lines 359 367) the Hoare annotation is: false [2020-07-28 18:59:43,560 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-28 18:59:43,560 INFO L268 CegarLoopResult]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2020-07-28 18:59:43,560 INFO L268 CegarLoopResult]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2020-07-28 18:59:43,565 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:43,565 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:43,566 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:43,567 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:43,567 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:43,568 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:43,569 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 18:59:43,569 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L431-3 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L431-3 has no Hoare annotation [2020-07-28 18:59:43,570 WARN L170 areAnnotationChecker]: L293-1 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L293-1 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L293-1 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L443 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L443 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L540-2 has no Hoare annotation [2020-07-28 18:59:43,571 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2020-07-28 18:59:43,572 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2020-07-28 18:59:43,572 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 18:59:43,572 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 18:59:43,572 WARN L170 areAnnotationChecker]: L540-2 has no Hoare annotation [2020-07-28 18:59:43,572 WARN L170 areAnnotationChecker]: L540-2 has no Hoare annotation [2020-07-28 18:59:43,573 WARN L170 areAnnotationChecker]: L455 has no Hoare annotation [2020-07-28 18:59:43,573 WARN L170 areAnnotationChecker]: L455 has no Hoare annotation [2020-07-28 18:59:43,573 WARN L170 areAnnotationChecker]: L221 has no Hoare annotation [2020-07-28 18:59:43,573 WARN L170 areAnnotationChecker]: L413-5 has no Hoare annotation [2020-07-28 18:59:43,574 WARN L170 areAnnotationChecker]: L544-2 has no Hoare annotation [2020-07-28 18:59:43,574 WARN L170 areAnnotationChecker]: L221 has no Hoare annotation [2020-07-28 18:59:43,574 WARN L170 areAnnotationChecker]: L221 has no Hoare annotation [2020-07-28 18:59:43,574 WARN L170 areAnnotationChecker]: L297-1 has no Hoare annotation [2020-07-28 18:59:43,574 WARN L170 areAnnotationChecker]: L544-2 has no Hoare annotation [2020-07-28 18:59:43,574 WARN L170 areAnnotationChecker]: L544-2 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L227-2 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L227-2 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L297-1 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L297-1 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L545-2 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L545-2 has no Hoare annotation [2020-07-28 18:59:43,575 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:43,576 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 18:59:43,576 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 18:59:43,576 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 18:59:43,578 WARN L170 areAnnotationChecker]: L518-1 has no Hoare annotation [2020-07-28 18:59:43,578 WARN L170 areAnnotationChecker]: L518-1 has no Hoare annotation [2020-07-28 18:59:43,578 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:59:43,578 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:59:43,578 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 18:59:43,578 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 18:59:43,579 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L431-6 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L431-6 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L293-2 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L293-2 has no Hoare annotation [2020-07-28 18:59:43,580 WARN L170 areAnnotationChecker]: L293-2 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L413-2 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L540-4 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L540-4 has no Hoare annotation [2020-07-28 18:59:43,581 WARN L170 areAnnotationChecker]: L540-4 has no Hoare annotation [2020-07-28 18:59:43,582 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2020-07-28 18:59:43,582 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2020-07-28 18:59:43,582 WARN L170 areAnnotationChecker]: L545 has no Hoare annotation [2020-07-28 18:59:43,582 WARN L170 areAnnotationChecker]: L545 has no Hoare annotation [2020-07-28 18:59:43,582 WARN L170 areAnnotationChecker]: L413-8 has no Hoare annotation [2020-07-28 18:59:43,582 WARN L170 areAnnotationChecker]: L544-4 has no Hoare annotation [2020-07-28 18:59:43,583 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-28 18:59:43,583 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-28 18:59:43,583 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-28 18:59:43,583 WARN L170 areAnnotationChecker]: L544-4 has no Hoare annotation [2020-07-28 18:59:43,584 WARN L170 areAnnotationChecker]: L544-4 has no Hoare annotation [2020-07-28 18:59:43,584 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-28 18:59:43,584 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-28 18:59:43,584 WARN L170 areAnnotationChecker]: L545-4 has no Hoare annotation [2020-07-28 18:59:43,584 WARN L170 areAnnotationChecker]: L545-4 has no Hoare annotation [2020-07-28 18:59:43,584 WARN L170 areAnnotationChecker]: L518-2 has no Hoare annotation [2020-07-28 18:59:43,585 WARN L170 areAnnotationChecker]: L518-2 has no Hoare annotation [2020-07-28 18:59:43,585 INFO L163 areAnnotationChecker]: CFG has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:43,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:43 BoogieIcfgContainer [2020-07-28 18:59:43,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:43,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:43,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:43,607 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:43,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:38" (3/4) ... [2020-07-28 18:59:43,612 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:43,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:43,630 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:43,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:43,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:43,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:43,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:43,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:43,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && tmp == systemActive) && 0 == \result) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:43,757 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:43,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:43,760 INFO L168 Benchmark]: Toolchain (without parser) took 7741.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 960.2 MB in the beginning and 1.3 GB in the end (delta: -312.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:43,760 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:43,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:43,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:43,762 INFO L168 Benchmark]: Boogie Preprocessor took 51.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:43,762 INFO L168 Benchmark]: RCFGBuilder took 1397.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 945.3 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:43,762 INFO L168 Benchmark]: TraceAbstraction took 5313.56 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 945.3 MB in the beginning and 1.3 GB in the end (delta: -336.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:43,763 INFO L168 Benchmark]: Witness Printer took 150.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:43,765 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 0.32 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 727.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1397.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 945.3 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5313.56 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 945.3 MB in the beginning and 1.3 GB in the end (delta: -336.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 150.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: 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: 260]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && tmp == systemActive) && 0 == \result) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 388 SDslu, 296 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...