./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product14.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcba36a5b2d5f8ed8569acfd585c94c35f71edae ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:53:06,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:53:06,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:53:06,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:53:06,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:53:06,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:53:06,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:53:06,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:53:06,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:53:06,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:53:06,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:53:06,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:53:06,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:53:06,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:53:06,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:53:06,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:53:06,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:53:06,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:53:06,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:53:06,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:53:06,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:53:06,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:53:06,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:53:06,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:53:06,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:53:06,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:53:06,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:53:06,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:53:06,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:53:06,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:53:06,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:53:06,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:53:06,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:53:06,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:53:06,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:53:06,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:53:06,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:53:06,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:53:06,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:53:06,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:53:06,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:53:06,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:53:06,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:53:06,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:53:06,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:53:06,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:53:06,350 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:53:06,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:53:06,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:53:06,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:53:06,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:53:06,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:53:06,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:53:06,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:53:06,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:53:06,352 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:53:06,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:53:06,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:53:06,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:53:06,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:53:06,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:53:06,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:53:06,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:06,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:53:06,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:53:06,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:53:06,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:53:06,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:53:06,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:53:06,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:53:06,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcba36a5b2d5f8ed8569acfd585c94c35f71edae [2021-07-05 09:53:06,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:53:06,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:53:06,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:53:06,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:53:06,648 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:53:06,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-07-05 09:53:06,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6311bcbb/9e5e29a1e1a1454e8b597d5d306dd1b6/FLAGc86fc351d [2021-07-05 09:53:07,131 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:53:07,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-07-05 09:53:07,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6311bcbb/9e5e29a1e1a1454e8b597d5d306dd1b6/FLAGc86fc351d [2021-07-05 09:53:07,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6311bcbb/9e5e29a1e1a1454e8b597d5d306dd1b6 [2021-07-05 09:53:07,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:53:07,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:53:07,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:07,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:53:07,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:53:07,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534146f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07, skipping insertion in model container [2021-07-05 09:53:07,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:53:07,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:53:07,463 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17107,17120] [2021-07-05 09:53:07,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:07,478 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:53:07,535 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17107,17120] [2021-07-05 09:53:07,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:07,562 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:53:07,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07 WrapperNode [2021-07-05 09:53:07,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:07,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:07,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:53:07,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:53:07,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:07,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:53:07,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:53:07,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:53:07,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:53:07,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:53:07,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:53:07,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:53:07,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (1/1) ... [2021-07-05 09:53:07,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:07,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:53:07,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 09:53:07,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 09:53:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:53:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:53:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:53:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:53:08,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:53:08,325 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-07-05 09:53:08,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:08 BoogieIcfgContainer [2021-07-05 09:53:08,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:53:08,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:53:08,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:53:08,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:53:08,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:53:07" (1/3) ... [2021-07-05 09:53:08,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf57dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:08, skipping insertion in model container [2021-07-05 09:53:08,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:07" (2/3) ... [2021-07-05 09:53:08,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf57dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:08, skipping insertion in model container [2021-07-05 09:53:08,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:08" (3/3) ... [2021-07-05 09:53:08,330 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2021-07-05 09:53:08,334 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:53:08,334 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:53:08,360 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:08,364 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:53:08,364 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:53:08,386 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:08,386 INFO L525 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] [2021-07-05 09:53:08,387 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:08,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:08,391 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-07-05 09:53:08,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:08,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066824522] [2021-07-05 09:53:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:08,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:08,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:08,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:08,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:08,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:08,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:53:08,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:08,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:08,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066824522] [2021-07-05 09:53:08,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066824522] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:08,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:08,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 09:53:08,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947391577] [2021-07-05 09:53:08,594 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:08,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:08,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:08,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:08,604 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:08,661 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-07-05 09:53:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:53:08,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-07-05 09:53:08,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:08,667 INFO L225 Difference]: With dead ends: 132 [2021-07-05 09:53:08,667 INFO L226 Difference]: Without dead ends: 31 [2021-07-05 09:53:08,669 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:53:08,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-07-05 09:53:08,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-07-05 09:53:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-07-05 09:53:08,690 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-07-05 09:53:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:08,691 INFO L442 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-07-05 09:53:08,691 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-07-05 09:53:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-07-05 09:53:08,692 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:08,696 INFO L525 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] [2021-07-05 09:53:08,697 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:53:08,697 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:08,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:08,700 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-07-05 09:53:08,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:08,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084714601] [2021-07-05 09:53:08,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:08,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:08,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:08,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:08,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:08,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:08,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:08,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084714601] [2021-07-05 09:53:08,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084714601] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:08,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:08,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:08,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133505041] [2021-07-05 09:53:08,822 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:08,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:08,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:08,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:08,825 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:08,912 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2021-07-05 09:53:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 09:53:08,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-07-05 09:53:08,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:08,917 INFO L225 Difference]: With dead ends: 132 [2021-07-05 09:53:08,917 INFO L226 Difference]: Without dead ends: 107 [2021-07-05 09:53:08,918 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 35.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-05 09:53:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-07-05 09:53:08,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2021-07-05 09:53:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2021-07-05 09:53:08,933 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2021-07-05 09:53:08,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:08,934 INFO L442 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2021-07-05 09:53:08,935 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-07-05 09:53:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:53:08,937 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:08,938 INFO L525 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] [2021-07-05 09:53:08,938 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:53:08,938 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:08,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:08,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2021-07-05 09:53:08,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:08,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837835674] [2021-07-05 09:53:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:08,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:09,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:09,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:09,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:09,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:09,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:09,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837835674] [2021-07-05 09:53:09,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837835674] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:09,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:09,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:09,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643550801] [2021-07-05 09:53:09,055 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:09,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:09,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:09,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:09,056 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:09,104 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2021-07-05 09:53:09,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:53:09,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-07-05 09:53:09,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:09,105 INFO L225 Difference]: With dead ends: 144 [2021-07-05 09:53:09,105 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:09,108 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:53:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:09,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-07-05 09:53:09,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:09,109 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:09,111 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:09,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:09,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:09,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,383 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,383 INFO L758 garLoopResultBuilder]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,383 INFO L758 garLoopResultBuilder]: At program point L812-1(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,383 INFO L762 garLoopResultBuilder]: For program point L746(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,383 INFO L758 garLoopResultBuilder]: At program point L812-2(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,383 INFO L762 garLoopResultBuilder]: For program point L746-1(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,383 INFO L762 garLoopResultBuilder]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-07-05 09:53:09,383 INFO L762 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L758 garLoopResultBuilder]: At program point L680-2(lines 710 716) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point L548(lines 548 552) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point L548-1(lines 710 716) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L762 garLoopResultBuilder]: For program point L617(lines 617 624) no Hoare annotation was computed. [2021-07-05 09:53:09,384 INFO L758 garLoopResultBuilder]: At program point L617-1(lines 617 624) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,384 INFO L758 garLoopResultBuilder]: At program point L717(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,384 INFO L758 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,384 INFO L758 garLoopResultBuilder]: At program point L717-2(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L519(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L762 garLoopResultBuilder]: For program point L652(lines 652 658) no Hoare annotation was computed. [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L652-1(lines 652 658) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L91-2(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L91-3(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L91-4(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,385 INFO L758 garLoopResultBuilder]: At program point L91-5(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,386 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,386 INFO L758 garLoopResultBuilder]: At program point L803(lines 796 806) the Hoare annotation is: false [2021-07-05 09:53:09,386 INFO L758 garLoopResultBuilder]: At program point L803-1(lines 796 806) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,386 INFO L758 garLoopResultBuilder]: At program point L803-2(lines 796 806) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,386 INFO L762 garLoopResultBuilder]: For program point L870(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,386 INFO L758 garLoopResultBuilder]: At program point L870-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,386 INFO L762 garLoopResultBuilder]: For program point L870-2(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,386 INFO L758 garLoopResultBuilder]: At program point L870-3(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,386 INFO L762 garLoopResultBuilder]: For program point L870-4(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,386 INFO L758 garLoopResultBuilder]: At program point L870-5(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,386 INFO L762 garLoopResultBuilder]: For program point L672(lines 672 685) no Hoare annotation was computed. [2021-07-05 09:53:09,386 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L758 garLoopResultBuilder]: At program point L690(lines 641 691) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,387 INFO L758 garLoopResultBuilder]: At program point L626(lines 607 629) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,387 INFO L758 garLoopResultBuilder]: At program point L593(lines 589 595) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,387 INFO L758 garLoopResultBuilder]: At program point L527(lines 522 530) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L874(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L742(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L874-4(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L742-1(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L742-2(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L643(lines 642 689) no Hoare annotation was computed. [2021-07-05 09:53:09,387 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L758 garLoopResultBuilder]: At program point L544-2(lines 544 558) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L758 garLoopResultBuilder]: At program point L710(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L644(lines 644 648) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L758 garLoopResultBuilder]: At program point L710-2(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,388 INFO L758 garLoopResultBuilder]: At program point L710-3(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L892-1(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L892-2(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,388 INFO L762 garLoopResultBuilder]: For program point L662(lines 662 668) no Hoare annotation was computed. [2021-07-05 09:53:09,389 INFO L758 garLoopResultBuilder]: At program point L662-1(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,389 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 09:53:09,389 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:09,391 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:53:09,393 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:09,394 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:53:09,394 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 09:53:09,396 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:09,396 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:09,396 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:09,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:09,396 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-07-05 09:53:09,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:09,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571863678] [2021-07-05 09:53:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:09,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:09,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:09,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:09,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571863678] [2021-07-05 09:53:09,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571863678] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:09,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:09,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:09,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89201090] [2021-07-05 09:53:09,417 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:09,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:09,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:09,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:09,417 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:09,419 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-07-05 09:53:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:09,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-07-05 09:53:09,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:09,420 INFO L225 Difference]: With dead ends: 132 [2021-07-05 09:53:09,420 INFO L226 Difference]: Without dead ends: 44 [2021-07-05 09:53:09,420 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-07-05 09:53:09,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-07-05 09:53:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2021-07-05 09:53:09,423 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 16 [2021-07-05 09:53:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:09,423 INFO L442 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2021-07-05 09:53:09,423 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-07-05 09:53:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 09:53:09,423 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:09,423 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:09,423 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-07-05 09:53:09,423 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:09,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:09,424 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-07-05 09:53:09,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:09,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570799321] [2021-07-05 09:53:09,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:09,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:09,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:09,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:09,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:09,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570799321] [2021-07-05 09:53:09,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570799321] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:09,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:09,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:09,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470010216] [2021-07-05 09:53:09,448 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:09,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:09,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:09,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:09,449 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:09,451 INFO L93 Difference]: Finished difference Result 44 states and 61 transitions. [2021-07-05 09:53:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:09,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 09:53:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:09,451 INFO L225 Difference]: With dead ends: 44 [2021-07-05 09:53:09,452 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:09,452 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:09,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:09,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 09:53:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:09,452 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:09,452 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:09,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:09,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:09,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,491 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,491 INFO L758 garLoopResultBuilder]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,492 INFO L758 garLoopResultBuilder]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L746(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L758 garLoopResultBuilder]: At program point L812-2(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L746-1(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L758 garLoopResultBuilder]: At program point L680-2(lines 710 716) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L548(lines 548 552) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L548-1(lines 710 716) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L762 garLoopResultBuilder]: For program point L617(lines 617 624) no Hoare annotation was computed. [2021-07-05 09:53:09,492 INFO L758 garLoopResultBuilder]: At program point L617-1(lines 617 624) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L717(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: false [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L717-2(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L519(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L762 garLoopResultBuilder]: For program point L652(lines 652 658) no Hoare annotation was computed. [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L652-1(lines 652 658) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L91-4(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L758 garLoopResultBuilder]: At program point L91-5(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,493 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L803(lines 796 806) the Hoare annotation is: false [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L803-2(lines 796 806) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,494 INFO L762 garLoopResultBuilder]: For program point L870(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L870-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,494 INFO L762 garLoopResultBuilder]: For program point L870-2(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L870-3(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,494 INFO L762 garLoopResultBuilder]: For program point L870-4(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L870-5(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,494 INFO L762 garLoopResultBuilder]: For program point L672(lines 672 685) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L762 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L690(lines 641 691) the Hoare annotation is: false [2021-07-05 09:53:09,494 INFO L758 garLoopResultBuilder]: At program point L626(lines 607 629) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,495 INFO L758 garLoopResultBuilder]: At program point L593(lines 589 595) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,495 INFO L758 garLoopResultBuilder]: At program point L527(lines 522 530) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L874(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L742(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L874-4(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L742-1(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L742-2(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L643(lines 642 689) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L758 garLoopResultBuilder]: At program point L544-2(lines 544 558) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L758 garLoopResultBuilder]: At program point L710(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2021-07-05 09:53:09,495 INFO L762 garLoopResultBuilder]: For program point L644(lines 644 648) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L758 garLoopResultBuilder]: At program point L710-2(lines 709 728) the Hoare annotation is: false [2021-07-05 09:53:09,496 INFO L758 garLoopResultBuilder]: At program point L710-3(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,496 INFO L762 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L762 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L762 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L762 garLoopResultBuilder]: For program point L892-1(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L762 garLoopResultBuilder]: For program point L892-2(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L762 garLoopResultBuilder]: For program point L662(lines 662 668) no Hoare annotation was computed. [2021-07-05 09:53:09,496 INFO L758 garLoopResultBuilder]: At program point L662-1(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,496 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-07-05 09:53:09,496 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:09,496 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:53:09,497 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:09,498 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:53:09,498 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:53:09,500 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:09,500 INFO L525 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] [2021-07-05 09:53:09,500 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:09,500 INFO L82 PathProgramCache]: Analyzing trace with hash 793290679, now seen corresponding path program 1 times [2021-07-05 09:53:09,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:09,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340546476] [2021-07-05 09:53:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:09,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:09,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:09,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:09,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340546476] [2021-07-05 09:53:09,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340546476] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:09,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:09,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:09,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203886457] [2021-07-05 09:53:09,520 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:09,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:09,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:09,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:09,520 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:09,522 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-07-05 09:53:09,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:09,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-07-05 09:53:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:09,523 INFO L225 Difference]: With dead ends: 132 [2021-07-05 09:53:09,523 INFO L226 Difference]: Without dead ends: 61 [2021-07-05 09:53:09,523 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:09,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-07-05 09:53:09,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-07-05 09:53:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 60 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 86 transitions. [2021-07-05 09:53:09,526 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 86 transitions. Word has length 25 [2021-07-05 09:53:09,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:09,526 INFO L442 AbstractCegarLoop]: Abstraction has 61 states and 86 transitions. [2021-07-05 09:53:09,526 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2021-07-05 09:53:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:53:09,527 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:09,527 INFO L525 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] [2021-07-05 09:53:09,527 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-07-05 09:53:09,527 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:09,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:09,527 INFO L82 PathProgramCache]: Analyzing trace with hash 911184056, now seen corresponding path program 1 times [2021-07-05 09:53:09,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:09,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612613864] [2021-07-05 09:53:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:09,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:09,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:09,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:09,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:09,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:09,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612613864] [2021-07-05 09:53:09,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612613864] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:09,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:09,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:09,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863534871] [2021-07-05 09:53:09,551 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:09,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:09,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:09,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:09,551 INFO L87 Difference]: Start difference. First operand 61 states and 86 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:09,554 INFO L93 Difference]: Finished difference Result 61 states and 86 transitions. [2021-07-05 09:53:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:09,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-07-05 09:53:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:09,554 INFO L225 Difference]: With dead ends: 61 [2021-07-05 09:53:09,554 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:09,555 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:09,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:09,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:53:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:09,555 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:09,555 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:09,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:09,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:09,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:09,595 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,595 INFO L758 garLoopResultBuilder]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,595 INFO L758 garLoopResultBuilder]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2021-07-05 09:53:09,595 INFO L762 garLoopResultBuilder]: For program point L746(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,595 INFO L758 garLoopResultBuilder]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2021-07-05 09:53:09,595 INFO L762 garLoopResultBuilder]: For program point L746-1(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,595 INFO L762 garLoopResultBuilder]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-07-05 09:53:09,595 INFO L762 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L680-2(lines 710 716) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L548(lines 548 552) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L548-1(lines 710 716) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L617(lines 617 624) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L617-1(lines 617 624) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L717(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: false [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L717-2(lines 717 723) the Hoare annotation is: false [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L519(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,596 INFO L762 garLoopResultBuilder]: For program point L652(lines 652 658) no Hoare annotation was computed. [2021-07-05 09:53:09,596 INFO L758 garLoopResultBuilder]: At program point L652-1(lines 652 658) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,597 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L803(lines 796 806) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2021-07-05 09:53:09,597 INFO L762 garLoopResultBuilder]: For program point L870(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,597 INFO L758 garLoopResultBuilder]: At program point L870-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,597 INFO L762 garLoopResultBuilder]: For program point L870-2(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L758 garLoopResultBuilder]: At program point L870-3(lines 1 895) the Hoare annotation is: false [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L870-4(lines 870 883) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L758 garLoopResultBuilder]: At program point L870-5(lines 1 895) the Hoare annotation is: false [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L672(lines 672 685) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L758 garLoopResultBuilder]: At program point L690(lines 641 691) the Hoare annotation is: false [2021-07-05 09:53:09,598 INFO L758 garLoopResultBuilder]: At program point L626(lines 607 629) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,598 INFO L758 garLoopResultBuilder]: At program point L593(lines 589 595) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,598 INFO L758 garLoopResultBuilder]: At program point L527(lines 522 530) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L874(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L742(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L874-4(lines 874 880) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L742-1(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L742-2(lines 742 759) no Hoare annotation was computed. [2021-07-05 09:53:09,598 INFO L762 garLoopResultBuilder]: For program point L643(lines 642 689) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L758 garLoopResultBuilder]: At program point L544-2(lines 544 558) the Hoare annotation is: false [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L758 garLoopResultBuilder]: At program point L710(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L644(lines 644 648) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L758 garLoopResultBuilder]: At program point L710-2(lines 709 728) the Hoare annotation is: false [2021-07-05 09:53:09,599 INFO L758 garLoopResultBuilder]: At program point L710-3(lines 709 728) the Hoare annotation is: false [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L892-1(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L892-2(line 892) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L762 garLoopResultBuilder]: For program point L662(lines 662 668) no Hoare annotation was computed. [2021-07-05 09:53:09,599 INFO L758 garLoopResultBuilder]: At program point L662-1(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-07-05 09:53:09,600 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-07-05 09:53:09,600 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:09,600 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:53:09,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:53:09 BoogieIcfgContainer [2021-07-05 09:53:09,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:53:09,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:53:09,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:53:09,612 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:53:09,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:08" (3/4) ... [2021-07-05 09:53:09,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:53:09,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:53:09,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:53:09,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:53:09,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:53:09,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:53:09,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:09,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:09,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 1) && methaneLevelCritical == 0) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == 1 && \result == 1) && !(0 == systemActive) [2021-07-05 09:53:09,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == 1 && \result == 1) && !(0 == systemActive) [2021-07-05 09:53:09,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && tmp == 1) && \result == 1) && \result == 0) && pumpRunning == 0) && !(0 == systemActive) [2021-07-05 09:53:09,656 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:53:09,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:53:09,657 INFO L168 Benchmark]: Toolchain (without parser) took 2498.19 ms. Allocated memory was 65.0 MB in the beginning and 109.1 MB in the end (delta: 44.0 MB). Free memory was 44.4 MB in the beginning and 39.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,657 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 65.0 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:53:09,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.24 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 37.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.34 ms. Allocated memory is still 65.0 MB. Free memory was 37.4 MB in the beginning and 34.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,657 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 ms. Allocated memory is still 65.0 MB. Free memory was 34.6 MB in the beginning and 32.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,658 INFO L168 Benchmark]: RCFGBuilder took 689.90 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 32.5 MB in the beginning and 41.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,658 INFO L168 Benchmark]: TraceAbstraction took 1285.15 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 40.7 MB in the beginning and 46.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,658 INFO L168 Benchmark]: Witness Printer took 43.99 ms. Allocated memory is still 109.1 MB. Free memory was 46.2 MB in the beginning and 39.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:09,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 65.0 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.24 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 37.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.34 ms. Allocated memory is still 65.0 MB. Free memory was 37.4 MB in the beginning and 34.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.63 ms. Allocated memory is still 65.0 MB. Free memory was 34.6 MB in the beginning and 32.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 689.90 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 32.5 MB in the beginning and 41.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1285.15 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 40.7 MB in the beginning and 46.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 43.99 ms. Allocated memory is still 109.1 MB. Free memory was 46.2 MB in the beginning and 39.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 892]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 892]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 892]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1032.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 9.3ms, AutomataDifference: 222.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 268.4ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 194 SDtfs, 464 SDslu, 232 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 92.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 28.4ms AutomataMinimizationTime, 3 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 88 NumberOfFragments, 357 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1626 FormulaSimplificationTreeSizeReduction, 104.8ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 154.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 22.7ms SsaConstructionTime, 145.2ms SatisfiabilityAnalysisTime, 206.5ms InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 103.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.0ms, AutomataDifference: 6.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 38.3ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 135 SDtfs, 34 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 52 NumberOfFragments, 51 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 10.2ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 26.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.5ms SsaConstructionTime, 12.5ms SatisfiabilityAnalysisTime, 24.1ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 102.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.3ms, AutomataDifference: 7.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 38.9ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 135 SDtfs, 34 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 43 NumberOfFragments, 51 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 12.3ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 24.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.3ms SsaConstructionTime, 11.3ms SatisfiabilityAnalysisTime, 23.9ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && tmp == 1) && \result == 1) && \result == 0) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (tmp == 1 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (tmp == 1 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 1) && methaneLevelCritical == 0) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 1) && \result == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((\result == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-07-05 09:53:09,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...