./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product30.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_spec1_product30.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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:20,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:20,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:20,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:20,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:20,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:20,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:20,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:20,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:20,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:20,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:20,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:20,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:20,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:20,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:20,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:20,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:20,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:20,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:20,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:20,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:20,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:20,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:20,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:20,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:20,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:20,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:20,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:20,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:20,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:20,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:20,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:20,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:20,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:20,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:20,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:20,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:20,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:20,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:20,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:20,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:20,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:20,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:20,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:20,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:20,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:20,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:20,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:20,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:20,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:20,257 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:20,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:20,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:20,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:20,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:20,259 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:20,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:20,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:20,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:20,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:20,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:20,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:20,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:20,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:20,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:20,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:20,261 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:20,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:20,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:20,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:20,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2021-12-16 00:58:20,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:20,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:20,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:20,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:20,441 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:20,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2021-12-16 00:58:20,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4f78771b/8cbc1c55518b4551a7a451b0e865584a/FLAGbfa4da69c [2021-12-16 00:58:20,856 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:20,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2021-12-16 00:58:20,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4f78771b/8cbc1c55518b4551a7a451b0e865584a/FLAGbfa4da69c [2021-12-16 00:58:21,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4f78771b/8cbc1c55518b4551a7a451b0e865584a [2021-12-16 00:58:21,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:21,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:21,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:21,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:21,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:21,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dca5d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21, skipping insertion in model container [2021-12-16 00:58:21,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:21,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:21,480 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_spec1_product30.cil.c[14361,14374] [2021-12-16 00:58:21,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:21,522 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:21,574 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_spec1_product30.cil.c[14361,14374] [2021-12-16 00:58:21,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:21,593 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:21,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21 WrapperNode [2021-12-16 00:58:21,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:21,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:21,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:21,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:21,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,633 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 225 [2021-12-16 00:58:21,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:21,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:21,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:21,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:21,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:21,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:21,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:21,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:21,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (1/1) ... [2021-12-16 00:58:21,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:21,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:21,680 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) [2021-12-16 00:58:21,688 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 [2021-12-16 00:58:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:58:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:58:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-16 00:58:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-16 00:58:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:58:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:58:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:21,766 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:21,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:21,936 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:21,941 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:21,942 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:21,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:21 BoogieIcfgContainer [2021-12-16 00:58:21,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:21,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:21,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:21,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:21,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:21" (1/3) ... [2021-12-16 00:58:21,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1fafdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:21, skipping insertion in model container [2021-12-16 00:58:21,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:21" (2/3) ... [2021-12-16 00:58:21,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1fafdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:21, skipping insertion in model container [2021-12-16 00:58:21,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:21" (3/3) ... [2021-12-16 00:58:21,949 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2021-12-16 00:58:21,953 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:21,953 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:21,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:21,990 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 [2021-12-16 00:58:21,991 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 74 states have internal predecessors, (90), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-16 00:58:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-16 00:58:22,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:22,011 INFO L514 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] [2021-12-16 00:58:22,012 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:22,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:22,027 INFO L85 PathProgramCache]: Analyzing trace with hash -875970518, now seen corresponding path program 1 times [2021-12-16 00:58:22,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:22,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816714442] [2021-12-16 00:58:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:22,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:58:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:22,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:22,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816714442] [2021-12-16 00:58:22,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816714442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:22,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:22,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:22,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106416184] [2021-12-16 00:58:22,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:22,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:22,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:22,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:22,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:22,269 INFO L87 Difference]: Start difference. First operand has 92 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 74 states have internal predecessors, (90), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:22,310 INFO L93 Difference]: Finished difference Result 176 states and 235 transitions. [2021-12-16 00:58:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:22,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-16 00:58:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:22,323 INFO L225 Difference]: With dead ends: 176 [2021-12-16 00:58:22,324 INFO L226 Difference]: Without dead ends: 83 [2021-12-16 00:58:22,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:22,334 INFO L933 BasicCegarLoop]: 114 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, 114 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 [2021-12-16 00:58:22,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-12-16 00:58:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-12-16 00:58:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 66 states have internal predecessors, (76), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:58:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2021-12-16 00:58:22,381 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 105 transitions. Word has length 23 [2021-12-16 00:58:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:22,382 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-16 00:58:22,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2021-12-16 00:58:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 00:58:22,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:22,386 INFO L514 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] [2021-12-16 00:58:22,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:22,387 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:22,387 INFO L85 PathProgramCache]: Analyzing trace with hash 423094930, now seen corresponding path program 1 times [2021-12-16 00:58:22,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:22,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632926742] [2021-12-16 00:58:22,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:22,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:22,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:22,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632926742] [2021-12-16 00:58:22,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632926742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:22,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:22,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:22,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114828761] [2021-12-16 00:58:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:22,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:22,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:22,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:22,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:22,457 INFO L87 Difference]: Start difference. First operand 83 states and 105 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:22,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:22,475 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2021-12-16 00:58:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:22,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-16 00:58:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:22,479 INFO L225 Difference]: With dead ends: 131 [2021-12-16 00:58:22,479 INFO L226 Difference]: Without dead ends: 74 [2021-12-16 00:58:22,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:22,484 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 167 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 [2021-12-16 00:58:22,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:22,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-16 00:58:22,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-12-16 00:58:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:58:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2021-12-16 00:58:22,498 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 24 [2021-12-16 00:58:22,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:22,498 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2021-12-16 00:58:22,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2021-12-16 00:58:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-16 00:58:22,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:22,500 INFO L514 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, 1, 1, 1] [2021-12-16 00:58:22,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:22,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash -725593329, now seen corresponding path program 1 times [2021-12-16 00:58:22,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:22,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922530985] [2021-12-16 00:58:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:22,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:22,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:22,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922530985] [2021-12-16 00:58:22,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922530985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:22,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:22,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:58:22,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045391282] [2021-12-16 00:58:22,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:22,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:58:22,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:58:22,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:58:22,570 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:22,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:22,620 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2021-12-16 00:58:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:58:22,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-16 00:58:22,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:22,622 INFO L225 Difference]: With dead ends: 141 [2021-12-16 00:58:22,623 INFO L226 Difference]: Without dead ends: 74 [2021-12-16 00:58:22,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:22,624 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 118 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:22,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 226 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:22,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-16 00:58:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-12-16 00:58:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 60 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:58:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2021-12-16 00:58:22,659 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 29 [2021-12-16 00:58:22,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:22,660 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2021-12-16 00:58:22,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:58:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2021-12-16 00:58:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-16 00:58:22,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:22,661 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:22,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:58:22,661 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:22,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2145860260, now seen corresponding path program 1 times [2021-12-16 00:58:22,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:22,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724370956] [2021-12-16 00:58:22,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:22,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:58:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:58:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 00:58:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:22,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:22,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724370956] [2021-12-16 00:58:22,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724370956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:22,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:22,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:22,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172960498] [2021-12-16 00:58:22,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:22,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:22,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:22,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:22,732 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:22,992 INFO L93 Difference]: Finished difference Result 234 states and 297 transitions. [2021-12-16 00:58:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:58:22,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2021-12-16 00:58:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:22,995 INFO L225 Difference]: With dead ends: 234 [2021-12-16 00:58:22,995 INFO L226 Difference]: Without dead ends: 167 [2021-12-16 00:58:22,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:58:22,996 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 136 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:22,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 365 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:58:22,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-12-16 00:58:23,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 137. [2021-12-16 00:58:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 96 states have (on average 1.28125) internal successors, (123), 109 states have internal predecessors, (123), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2021-12-16 00:58:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 172 transitions. [2021-12-16 00:58:23,010 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 172 transitions. Word has length 39 [2021-12-16 00:58:23,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:23,010 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 172 transitions. [2021-12-16 00:58:23,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:58:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2021-12-16 00:58:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-16 00:58:23,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:23,012 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:58:23,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:58:23,012 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1365865056, now seen corresponding path program 1 times [2021-12-16 00:58:23,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:23,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43415580] [2021-12-16 00:58:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:23,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:58:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:58:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:58:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:23,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:58:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:23,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:23,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43415580] [2021-12-16 00:58:23,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43415580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:23,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:23,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:58:23,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208153866] [2021-12-16 00:58:23,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:23,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:58:23,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:23,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:58:23,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:58:23,070 INFO L87 Difference]: Start difference. First operand 137 states and 172 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:58:23,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:23,151 INFO L93 Difference]: Finished difference Result 224 states and 283 transitions. [2021-12-16 00:58:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:58:23,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2021-12-16 00:58:23,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:23,151 INFO L225 Difference]: With dead ends: 224 [2021-12-16 00:58:23,152 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:58:23,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:58:23,153 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 71 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:23,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 138 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:58:23,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:58:23,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:58:23,154 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) [2021-12-16 00:58:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:58:23,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-12-16 00:58:23,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:23,154 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:58:23,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:58:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:58:23,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:58:23,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:58:23,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:58:23,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:58:23,547 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 774 781) the Hoare annotation is: true [2021-12-16 00:58:23,547 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 774 781) no Hoare annotation was computed. [2021-12-16 00:58:23,547 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 774 781) no Hoare annotation was computed. [2021-12-16 00:58:23,547 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2021-12-16 00:58:23,547 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2021-12-16 00:58:23,547 INFO L858 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point L874(lines 874 887) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point L874-1(lines 866 890) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 0)))) [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,548 INFO L854 garLoopResultBuilder]: At program point L743-1(lines 724 748) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,548 INFO L858 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 562 573) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L854 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L854 garLoopResultBuilder]: At program point L798(lines 793 801) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 669 688) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,549 INFO L854 garLoopResultBuilder]: At program point L654(lines 649 656) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-12-16 00:58:23,549 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-16 00:58:23,549 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-16 00:58:23,550 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-16 00:58:23,550 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L854 garLoopResultBuilder]: At program point L535(lines 531 537) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 944) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L854 garLoopResultBuilder]: At program point L940-2(lines 932 945) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L903(lines 902 949) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 945) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 864) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:58:23,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:58:23,551 INFO L854 garLoopResultBuilder]: At program point L924(line 924) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,551 INFO L861 garLoopResultBuilder]: At program point L953(lines 892 957) the Hoare annotation is: true [2021-12-16 00:58:23,551 INFO L858 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2021-12-16 00:58:23,551 INFO L858 garLoopResultBuilder]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2021-12-16 00:58:23,551 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-16 00:58:23,554 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-16 00:58:23,554 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 908) no Hoare annotation was computed. [2021-12-16 00:58:23,554 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:58:23,554 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-16 00:58:23,554 INFO L854 garLoopResultBuilder]: At program point L950(lines 901 951) the Hoare annotation is: false [2021-12-16 00:58:23,554 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-16 00:58:23,555 INFO L854 garLoopResultBuilder]: At program point L550(lines 545 553) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,555 INFO L854 garLoopResultBuilder]: At program point L542(lines 538 544) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,555 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2021-12-16 00:58:23,555 INFO L858 garLoopResultBuilder]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2021-12-16 00:58:23,556 INFO L854 garLoopResultBuilder]: At program point L947(lines 902 949) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,556 INFO L854 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,556 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,556 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2021-12-16 00:58:23,556 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2021-12-16 00:58:23,557 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: true [2021-12-16 00:58:23,557 INFO L858 garLoopResultBuilder]: For program point L702(lines 702 719) no Hoare annotation was computed. [2021-12-16 00:58:23,557 INFO L854 garLoopResultBuilder]: At program point L853(lines 838 856) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,557 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2021-12-16 00:58:23,557 INFO L858 garLoopResultBuilder]: For program point L847-2(lines 847 851) no Hoare annotation was computed. [2021-12-16 00:58:23,557 INFO L854 garLoopResultBuilder]: At program point L717(line 717) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,558 INFO L858 garLoopResultBuilder]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2021-12-16 00:58:23,558 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 698 722) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:23,558 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 698 722) no Hoare annotation was computed. [2021-12-16 00:58:23,559 INFO L854 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,559 INFO L854 garLoopResultBuilder]: At program point L644(lines 639 647) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,561 INFO L854 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:58:23,561 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 714) no Hoare annotation was computed. [2021-12-16 00:58:23,562 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 782 792) the Hoare annotation is: true [2021-12-16 00:58:23,562 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 782 792) no Hoare annotation was computed. [2021-12-16 00:58:23,562 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 782 792) no Hoare annotation was computed. [2021-12-16 00:58:23,562 INFO L861 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: true [2021-12-16 00:58:23,562 INFO L858 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2021-12-16 00:58:23,565 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:58:23,568 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:58:23,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:23 BoogieIcfgContainer [2021-12-16 00:58:23,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:58:23,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:58:23,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:58:23,595 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:58:23,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:21" (3/4) ... [2021-12-16 00:58:23,597 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:58:23,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:58:23,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:58:23,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:58:23,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:58:23,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:58:23,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:58:23,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:58:23,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:58:23,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-16 00:58:23,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-16 00:58:23,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:58:23,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:58:23,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:58:23,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:58:23,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:23,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:23,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:23,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && methaneLevelCritical == 0) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:23,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:23,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:58:23,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0 [2021-12-16 00:58:23,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || tmp == 0) [2021-12-16 00:58:23,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:23,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((\result == 0 && pumpRunning == 0) || 0 == systemActive) || !(\old(pumpRunning) == 0)) [2021-12-16 00:58:23,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:58:23,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:58:23,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:58:23,653 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:58:23,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:58:23,654 INFO L158 Benchmark]: Toolchain (without parser) took 2405.07ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 71.1MB in the beginning and 89.5MB in the end (delta: -18.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,654 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:23,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.99ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 70.7MB in the beginning and 104.1MB in the end (delta: -33.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.99ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,655 INFO L158 Benchmark]: Boogie Preprocessor took 23.09ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,655 INFO L158 Benchmark]: RCFGBuilder took 286.04ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 84.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,655 INFO L158 Benchmark]: TraceAbstraction took 1649.49ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 95.8MB in the end (delta: -11.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,656 INFO L158 Benchmark]: Witness Printer took 58.99ms. Allocated memory is still 136.3MB. Free memory was 95.8MB in the beginning and 89.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:58:23,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.99ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 70.7MB in the beginning and 104.1MB in the end (delta: -33.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.99ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.09ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.04ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 84.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1649.49ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 95.8MB in the end (delta: -11.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 58.99ms. Allocated memory is still 136.3MB. Free memory was 95.8MB in the beginning and 89.5MB 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: 653]: 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 10 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 350 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 338 mSDsluCounter, 1010 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 591 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 419 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 294 PreInvPairs, 318 NumberOfFragments, 357 HoareAnnotationTreeSize, 294 FomulaSimplifications, 83 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 762 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((\result == 0 && pumpRunning == 0) || 0 == systemActive) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((1 == \result && methaneLevelCritical == 0) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:58:23,686 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