./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_spec5_product19.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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:28,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:28,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:28,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:28,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:28,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:28,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:28,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:28,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:28,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:28,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:28,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:28,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:28,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:28,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:28,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:28,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:28,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:28,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:28,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:28,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:28,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:28,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:28,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:28,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:28,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:28,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:28,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:28,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:28,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:28,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:28,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:28,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:28,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:28,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:28,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:28,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:28,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:28,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:28,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:28,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:28,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:28,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:28,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:28,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:28,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:28,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:28,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:28,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:28,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:28,437 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:28,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:28,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:28,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:28,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:28,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:28,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:28,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:28,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:28,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:28,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:28,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:28,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:28,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:28,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:28,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:28,440 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:28,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:28,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:28,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:28,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2021-12-17 15:09:28,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:28,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:28,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:28,628 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:28,628 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:28,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2021-12-17 15:09:28,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed076767/2aa0dbb7b49e497192f92f11b23f885b/FLAGf48ffbee4 [2021-12-17 15:09:29,052 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:29,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2021-12-17 15:09:29,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed076767/2aa0dbb7b49e497192f92f11b23f885b/FLAGf48ffbee4 [2021-12-17 15:09:29,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed076767/2aa0dbb7b49e497192f92f11b23f885b [2021-12-17 15:09:29,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:29,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:29,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:29,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:29,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:29,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386cf852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29, skipping insertion in model container [2021-12-17 15:09:29,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:29,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:29,311 WARN L230 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_spec5_product19.cil.c[4965,4978] [2021-12-17 15:09:29,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:29,399 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:29,429 WARN L230 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_spec5_product19.cil.c[4965,4978] [2021-12-17 15:09:29,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:29,467 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:29,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29 WrapperNode [2021-12-17 15:09:29,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:29,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:29,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:29,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:29,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,516 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 227 [2021-12-17 15:09:29,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:29,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:29,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:29,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:29,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:29,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:29,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:29,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:29,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (1/1) ... [2021-12-17 15:09:29,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:29,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:29,570 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) [2021-12-17 15:09:29,580 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 [2021-12-17 15:09:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:09:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:09:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:29,665 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:29,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:29,915 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:29,925 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:29,925 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:29,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:29 BoogieIcfgContainer [2021-12-17 15:09:29,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:29,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:29,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:29,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:29,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:29" (1/3) ... [2021-12-17 15:09:29,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3812d75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:29, skipping insertion in model container [2021-12-17 15:09:29,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:29" (2/3) ... [2021-12-17 15:09:29,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3812d75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:29, skipping insertion in model container [2021-12-17 15:09:29,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:29" (3/3) ... [2021-12-17 15:09:29,935 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2021-12-17 15:09:29,939 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:29,940 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:29,978 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:29,984 INFO L339 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:09:29,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-17 15:09:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:30,007 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:30,007 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1] [2021-12-17 15:09:30,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:30,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2141742275, now seen corresponding path program 1 times [2021-12-17 15:09:30,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:30,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978883629] [2021-12-17 15:09:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:30,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:30,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:30,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978883629] [2021-12-17 15:09:30,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978883629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:30,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:30,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:30,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998058516] [2021-12-17 15:09:30,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:30,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:30,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:30,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:30,256 INFO L87 Difference]: Start difference. First operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:30,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:30,278 INFO L93 Difference]: Finished difference Result 163 states and 220 transitions. [2021-12-17 15:09:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:30,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:09:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:30,286 INFO L225 Difference]: With dead ends: 163 [2021-12-17 15:09:30,286 INFO L226 Difference]: Without dead ends: 77 [2021-12-17 15:09:30,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:30,291 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:30,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:30,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-17 15:09:30,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-12-17 15:09:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 64 states have internal predecessors, (75), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:09:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2021-12-17 15:09:30,318 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 32 [2021-12-17 15:09:30,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:30,318 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2021-12-17 15:09:30,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2021-12-17 15:09:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:09:30,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:30,321 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1] [2021-12-17 15:09:30,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:30,321 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:30,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:30,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1629755043, now seen corresponding path program 1 times [2021-12-17 15:09:30,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:30,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489358796] [2021-12-17 15:09:30,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:30,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:09:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:30,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:30,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489358796] [2021-12-17 15:09:30,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489358796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:30,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:30,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:30,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538961607] [2021-12-17 15:09:30,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:30,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:30,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:30,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:30,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:30,374 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:30,386 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2021-12-17 15:09:30,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:30,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-17 15:09:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:30,388 INFO L225 Difference]: With dead ends: 115 [2021-12-17 15:09:30,389 INFO L226 Difference]: Without dead ends: 68 [2021-12-17 15:09:30,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:30,390 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:30,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:30,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-17 15:09:30,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-12-17 15:09:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-17 15:09:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2021-12-17 15:09:30,397 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 33 [2021-12-17 15:09:30,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:30,398 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2021-12-17 15:09:30,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2021-12-17 15:09:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-17 15:09:30,399 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:30,399 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:30,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:30,400 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:30,400 INFO L85 PathProgramCache]: Analyzing trace with hash 464192103, now seen corresponding path program 1 times [2021-12-17 15:09:30,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:30,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473591345] [2021-12-17 15:09:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:30,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:09:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:30,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:30,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473591345] [2021-12-17 15:09:30,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473591345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:30,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:30,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:30,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107113770] [2021-12-17 15:09:30,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:30,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:30,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:30,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:30,504 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:30,642 INFO L93 Difference]: Finished difference Result 234 states and 304 transitions. [2021-12-17 15:09:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:30,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-17 15:09:30,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:30,644 INFO L225 Difference]: With dead ends: 234 [2021-12-17 15:09:30,644 INFO L226 Difference]: Without dead ends: 174 [2021-12-17 15:09:30,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:30,646 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 217 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:30,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 408 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:30,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-12-17 15:09:30,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 168. [2021-12-17 15:09:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 126 states have (on average 1.3412698412698412) internal successors, (169), 140 states have internal predecessors, (169), 24 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (25), 18 states have call predecessors, (25), 24 states have call successors, (25) [2021-12-17 15:09:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2021-12-17 15:09:30,673 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 37 [2021-12-17 15:09:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:30,674 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2021-12-17 15:09:30,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2021-12-17 15:09:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-17 15:09:30,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:30,676 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:30,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:30,676 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:30,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:30,677 INFO L85 PathProgramCache]: Analyzing trace with hash 928611800, now seen corresponding path program 1 times [2021-12-17 15:09:30,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:30,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240988309] [2021-12-17 15:09:30,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:30,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:09:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 15:09:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:30,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:30,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240988309] [2021-12-17 15:09:30,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240988309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:30,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:30,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:30,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044799799] [2021-12-17 15:09:30,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:30,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:30,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:30,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:30,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:30,812 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 15:09:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:30,927 INFO L93 Difference]: Finished difference Result 300 states and 392 transitions. [2021-12-17 15:09:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:30,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2021-12-17 15:09:30,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:30,932 INFO L225 Difference]: With dead ends: 300 [2021-12-17 15:09:30,932 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:30,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:30,940 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 33 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:30,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 212 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:30,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:30,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:30,942 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) [2021-12-17 15:09:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:30,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-12-17 15:09:30,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:30,942 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:30,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 15:09:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:30,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:30,945 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:30,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:30,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:31,258 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 203 210) the Hoare annotation is: true [2021-12-17 15:09:31,258 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2021-12-17 15:09:31,258 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 203 210) no Hoare annotation was computed. [2021-12-17 15:09:31,258 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2021-12-17 15:09:31,258 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2021-12-17 15:09:31,259 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 704 715) the Hoare annotation is: true [2021-12-17 15:09:31,260 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 704 715) no Hoare annotation was computed. [2021-12-17 15:09:31,261 INFO L858 garLoopResultBuilder]: For program point L708-1(lines 704 715) no Hoare annotation was computed. [2021-12-17 15:09:31,262 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 855 884) no Hoare annotation was computed. [2021-12-17 15:09:31,262 INFO L861 garLoopResultBuilder]: At program point L865-2(lines 865 879) the Hoare annotation is: true [2021-12-17 15:09:31,262 INFO L861 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2021-12-17 15:09:31,262 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 855 884) the Hoare annotation is: true [2021-12-17 15:09:31,262 INFO L858 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2021-12-17 15:09:31,262 INFO L861 garLoopResultBuilder]: At program point L880(lines 855 884) the Hoare annotation is: true [2021-12-17 15:09:31,263 INFO L858 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2021-12-17 15:09:31,263 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-12-17 15:09:31,271 INFO L861 garLoopResultBuilder]: At program point L869-1(lines 869 873) the Hoare annotation is: true [2021-12-17 15:09:31,271 INFO L858 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2021-12-17 15:09:31,271 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 849) no Hoare annotation was computed. [2021-12-17 15:09:31,272 INFO L854 garLoopResultBuilder]: At program point L832-1(lines 824 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,272 INFO L854 garLoopResultBuilder]: At program point L762(lines 757 765) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:31,272 INFO L854 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:31,272 INFO L854 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:31,272 INFO L858 garLoopResultBuilder]: For program point L684(lines 684 688) no Hoare annotation was computed. [2021-12-17 15:09:31,272 INFO L854 garLoopResultBuilder]: At program point L684-2(lines 680 691) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:31,272 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 135 161) no Hoare annotation was computed. [2021-12-17 15:09:31,272 INFO L858 garLoopResultBuilder]: For program point L837(lines 837 843) no Hoare annotation was computed. [2021-12-17 15:09:31,272 INFO L854 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:09:31,273 INFO L854 garLoopResultBuilder]: At program point L189-1(lines 170 194) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:09:31,273 INFO L854 garLoopResultBuilder]: At program point L821(lines 814 823) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2021-12-17 15:09:31,273 INFO L854 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-12-17 15:09:31,273 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L854 garLoopResultBuilder]: At program point L282(lines 267 285) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:31,274 INFO L854 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,274 INFO L854 garLoopResultBuilder]: At program point L307(lines 302 309) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point L819-1(line 819) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L854 garLoopResultBuilder]: At program point L753(lines 748 756) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,274 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 135 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 138 160) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 161) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point L836(lines 836 846) no Hoare annotation was computed. [2021-12-17 15:09:31,274 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-17 15:09:31,275 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2021-12-17 15:09:31,275 INFO L854 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,275 INFO L854 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,275 INFO L854 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: false [2021-12-17 15:09:31,275 INFO L854 garLoopResultBuilder]: At program point L800(lines 795 803) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,275 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:31,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:31,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:31,275 INFO L861 garLoopResultBuilder]: At program point L924(lines 916 926) the Hoare annotation is: true [2021-12-17 15:09:31,275 INFO L854 garLoopResultBuilder]: At program point L792(lines 788 794) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,275 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 944) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L858 garLoopResultBuilder]: For program point L937-2(lines 937 944) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,276 INFO L861 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2021-12-17 15:09:31,276 INFO L861 garLoopResultBuilder]: At program point L946(lines 927 949) the Hoare annotation is: true [2021-12-17 15:09:31,276 INFO L854 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,276 INFO L854 garLoopResultBuilder]: At program point L913(lines 909 915) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,276 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2021-12-17 15:09:31,276 INFO L854 garLoopResultBuilder]: At program point L298(lines 286 300) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2021-12-17 15:09:31,277 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-12-17 15:09:31,277 INFO L854 garLoopResultBuilder]: At program point L811(lines 806 813) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2021-12-17 15:09:31,277 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 692 703) no Hoare annotation was computed. [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point L696-1(lines 692 703) no Hoare annotation was computed. [2021-12-17 15:09:31,277 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 692 703) the Hoare annotation is: true [2021-12-17 15:09:31,277 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2021-12-17 15:09:31,288 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 222 230) the Hoare annotation is: true [2021-12-17 15:09:31,289 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 222 230) no Hoare annotation was computed. [2021-12-17 15:09:31,291 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-17 15:09:31,292 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:31,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:31 BoogieIcfgContainer [2021-12-17 15:09:31,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:31,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:31,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:31,307 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:31,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:29" (3/4) ... [2021-12-17 15:09:31,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:31,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:09:31,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:31,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:31,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:31,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:31,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:31,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:31,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-17 15:09:31,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:31,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:31,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:31,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:31,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:31,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:31,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (systemActive == \result && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:31,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:31,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:31,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:31,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:31,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:31,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == systemActive) && pumpRunning == 0) || !(\old(pumpRunning) == 0) [2021-12-17 15:09:31,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:31,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:31,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:31,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:31,362 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:31,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:31,363 INFO L158 Benchmark]: Toolchain (without parser) took 2281.50ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 96.9MB in the beginning and 133.7MB in the end (delta: -36.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,363 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:31,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.89ms. Allocated memory is still 130.0MB. Free memory was 96.6MB in the beginning and 96.9MB in the end (delta: -297.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.04ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 94.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,363 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 130.0MB. Free memory was 94.3MB in the beginning and 92.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,364 INFO L158 Benchmark]: RCFGBuilder took 381.11ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 77.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,365 INFO L158 Benchmark]: TraceAbstraction took 1376.48ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 77.1MB in the beginning and 140.0MB in the end (delta: -62.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,365 INFO L158 Benchmark]: Witness Printer took 55.34ms. Allocated memory is still 195.0MB. Free memory was 140.0MB in the beginning and 133.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:31,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.89ms. Allocated memory is still 130.0MB. Free memory was 96.6MB in the beginning and 96.9MB in the end (delta: -297.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.04ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 94.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 130.0MB. Free memory was 94.3MB in the beginning and 92.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.11ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 77.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1376.48ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 77.1MB in the beginning and 140.0MB in the end (delta: -62.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 55.34ms. Allocated memory is still 195.0MB. Free memory was 140.0MB in the beginning and 133.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 306]: 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 CFG has 8 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 358 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 249 PreInvPairs, 288 NumberOfFragments, 198 HoareAnnotationTreeSize, 249 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 657 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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 1 specifications checked. All of them hold - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((systemActive == \result && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: ((systemActive == \result && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && pumpRunning == 0) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (systemActive == \result && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:31,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE