./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_product22.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 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:17:19,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:17:19,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:17:19,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:17:19,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:17:19,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:17:19,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:17:19,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:17:19,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:17:19,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:17:19,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:17:19,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:17:19,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:17:19,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:17:19,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:17:19,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:17:19,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:17:19,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:17:19,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:17:19,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:17:19,298 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:17:19,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:17:19,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:17:19,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:17:19,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:17:19,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:17:19,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:17:19,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:17:19,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:17:19,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:17:19,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:17:19,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:17:19,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:17:19,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:17:19,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:17:19,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:17:19,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:17:19,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:17:19,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:17:19,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:17:19,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:17:19,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:17:19,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:17:19,339 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:17:19,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:17:19,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:17:19,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:17:19,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:17:19,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:17:19,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:17:19,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:17:19,341 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:17:19,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:17:19,342 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:17:19,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:17:19,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:17:19,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:17:19,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:17:19,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:17:19,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:17:19,343 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:17:19,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:17:19,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:17:19,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:17:19,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:17:19,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:17:19,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:17:19,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:17:19,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:17:19,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:17:19,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:17:19,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:17:19,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:17:19,347 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:17:19,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:17:19,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:17:19,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2022-07-12 06:17:19,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:17:19,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:17:19,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:17:19,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:17:19,575 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:17:19,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2022-07-12 06:17:19,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3c5f376/32e54e67193340a09d42eaf96dfd98aa/FLAG4ca486422 [2022-07-12 06:17:20,067 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:17:20,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2022-07-12 06:17:20,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3c5f376/32e54e67193340a09d42eaf96dfd98aa/FLAG4ca486422 [2022-07-12 06:17:20,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3c5f376/32e54e67193340a09d42eaf96dfd98aa [2022-07-12 06:17:20,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:17:20,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:17:20,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:17:20,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:17:20,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:17:20,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11fb8c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20, skipping insertion in model container [2022-07-12 06:17:20,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:17:20,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:17:20,414 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_product22.cil.c[13476,13489] [2022-07-12 06:17:20,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:17:20,479 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:17:20,511 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_product22.cil.c[13476,13489] [2022-07-12 06:17:20,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:17:20,539 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:17:20,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20 WrapperNode [2022-07-12 06:17:20,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:17:20,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:17:20,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:17:20,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:17:20,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,572 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 234 [2022-07-12 06:17:20,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:17:20,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:17:20,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:17:20,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:17:20,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:17:20,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:17:20,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:17:20,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:17:20,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (1/1) ... [2022-07-12 06:17:20,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:17:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:17:20,679 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) [2022-07-12 06:17:20,687 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 [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:17:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:17:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:17:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:17:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:17:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:17:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:17:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:17:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:17:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:17:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:17:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:17:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:17:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:17:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:17:20,829 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:17:20,830 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:17:21,084 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:17:21,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:17:21,091 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:17:21,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:17:21 BoogieIcfgContainer [2022-07-12 06:17:21,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:17:21,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:17:21,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:17:21,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:17:21,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:17:20" (1/3) ... [2022-07-12 06:17:21,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a33e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:17:21, skipping insertion in model container [2022-07-12 06:17:21,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:17:20" (2/3) ... [2022-07-12 06:17:21,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a33e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:17:21, skipping insertion in model container [2022-07-12 06:17:21,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:17:21" (3/3) ... [2022-07-12 06:17:21,099 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2022-07-12 06:17:21,108 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:17:21,109 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:17:21,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:17:21,156 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@a433bbb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1bd9f68 [2022-07-12 06:17:21,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:17:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-12 06:17:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-12 06:17:21,166 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:17:21,166 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:17:21,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:17:21,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:17:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1781837608, now seen corresponding path program 1 times [2022-07-12 06:17:21,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:17:21,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680903600] [2022-07-12 06:17:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:17:21,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:17:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:17:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:17:21,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:17:21,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680903600] [2022-07-12 06:17:21,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680903600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:17:21,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:17:21,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:17:21,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850625269] [2022-07-12 06:17:21,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:17:21,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:17:21,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:17:21,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:17:21,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:17:21,363 INFO L87 Difference]: Start difference. First operand has 88 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) 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) [2022-07-12 06:17:21,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:17:21,384 INFO L93 Difference]: Finished difference Result 168 states and 227 transitions. [2022-07-12 06:17:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:17:21,386 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 [2022-07-12 06:17:21,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:17:21,391 INFO L225 Difference]: With dead ends: 168 [2022-07-12 06:17:21,392 INFO L226 Difference]: Without dead ends: 79 [2022-07-12 06:17:21,395 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:17:21,398 INFO L413 NwaCegarLoop]: 110 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, 110 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 [2022-07-12 06:17:21,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:17:21,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-07-12 06:17:21,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-07-12 06:17:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-12 06:17:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-07-12 06:17:21,441 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 23 [2022-07-12 06:17:21,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:17:21,441 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-07-12 06:17:21,442 INFO L496 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) [2022-07-12 06:17:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-07-12 06:17:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-12 06:17:21,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:17:21,445 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:17:21,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:17:21,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:17:21,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:17:21,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1348077746, now seen corresponding path program 1 times [2022-07-12 06:17:21,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:17:21,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673588265] [2022-07-12 06:17:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:17:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:17:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:17:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:17:21,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:17:21,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673588265] [2022-07-12 06:17:21,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673588265] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:17:21,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:17:21,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:17:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158673527] [2022-07-12 06:17:21,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:17:21,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:17:21,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:17:21,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:17:21,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:17:21,578 INFO L87 Difference]: Start difference. First operand 79 states and 101 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) [2022-07-12 06:17:21,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:17:21,592 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2022-07-12 06:17:21,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:17:21,596 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 [2022-07-12 06:17:21,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:17:21,597 INFO L225 Difference]: With dead ends: 123 [2022-07-12 06:17:21,597 INFO L226 Difference]: Without dead ends: 70 [2022-07-12 06:17:21,599 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:17:21,601 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 159 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 [2022-07-12 06:17:21,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:17:21,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-07-12 06:17:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-07-12 06:17:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 58 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:17:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-07-12 06:17:21,617 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 24 [2022-07-12 06:17:21,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:17:21,617 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-07-12 06:17:21,617 INFO L496 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) [2022-07-12 06:17:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-07-12 06:17:21,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-12 06:17:21,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:17:21,618 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:17:21,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:17:21,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:17:21,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:17:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1229903247, now seen corresponding path program 1 times [2022-07-12 06:17:21,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:17:21,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601519268] [2022-07-12 06:17:21,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:17:21,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:17:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:17:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:17:21,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:17:21,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601519268] [2022-07-12 06:17:21,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601519268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:17:21,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:17:21,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:17:21,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472757615] [2022-07-12 06:17:21,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:17:21,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:17:21,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:17:21,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:17:21,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:17:21,681 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2022-07-12 06:17:21,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:17:21,695 INFO L93 Difference]: Finished difference Result 133 states and 172 transitions. [2022-07-12 06:17:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:17:21,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 [2022-07-12 06:17:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:17:21,696 INFO L225 Difference]: With dead ends: 133 [2022-07-12 06:17:21,696 INFO L226 Difference]: Without dead ends: 70 [2022-07-12 06:17:21,697 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:17:21,698 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:17:21,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:17:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-07-12 06:17:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-07-12 06:17:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 58 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:17:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2022-07-12 06:17:21,704 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 29 [2022-07-12 06:17:21,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:17:21,704 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2022-07-12 06:17:21,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2022-07-12 06:17:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2022-07-12 06:17:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-12 06:17:21,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:17:21,706 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:17:21,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:17:21,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:17:21,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:17:21,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1434399272, now seen corresponding path program 1 times [2022-07-12 06:17:21,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:17:21,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458860501] [2022-07-12 06:17:21,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:17:21,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:17:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:17:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:17:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:17:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:17:21,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:17:21,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458860501] [2022-07-12 06:17:21,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458860501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:17:21,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:17:21,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:17:21,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445707490] [2022-07-12 06:17:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:17:21,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:17:21,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:17:21,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:17:21,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:17:21,801 INFO L87 Difference]: Start difference. First operand 70 states and 88 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) [2022-07-12 06:17:22,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:17:22,091 INFO L93 Difference]: Finished difference Result 222 states and 285 transitions. [2022-07-12 06:17:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 06:17:22,091 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 [2022-07-12 06:17:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:17:22,097 INFO L225 Difference]: With dead ends: 222 [2022-07-12 06:17:22,097 INFO L226 Difference]: Without dead ends: 159 [2022-07-12 06:17:22,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:17:22,106 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 134 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:17:22,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 374 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:17:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-07-12 06:17:22,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 129. [2022-07-12 06:17:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 105 states have internal predecessors, (119), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-07-12 06:17:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 164 transitions. [2022-07-12 06:17:22,122 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 164 transitions. Word has length 39 [2022-07-12 06:17:22,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:17:22,122 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 164 transitions. [2022-07-12 06:17:22,122 INFO L496 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) [2022-07-12 06:17:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-07-12 06:17:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-12 06:17:22,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:17:22,123 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:17:22,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:17:22,124 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:17:22,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:17:22,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1416486876, now seen corresponding path program 1 times [2022-07-12 06:17:22,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:17:22,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074982513] [2022-07-12 06:17:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:17:22,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:17:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 06:17:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:17:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:17:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 06:17:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:17:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:17:22,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:17:22,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074982513] [2022-07-12 06:17:22,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074982513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:17:22,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:17:22,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:17:22,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279806868] [2022-07-12 06:17:22,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:17:22,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:17:22,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:17:22,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:17:22,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:17:22,186 INFO L87 Difference]: Start difference. First operand 129 states and 164 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) [2022-07-12 06:17:22,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:17:22,282 INFO L93 Difference]: Finished difference Result 216 states and 275 transitions. [2022-07-12 06:17:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:17:22,283 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 [2022-07-12 06:17:22,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:17:22,283 INFO L225 Difference]: With dead ends: 216 [2022-07-12 06:17:22,283 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:17:22,283 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:17:22,284 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 71 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:17:22,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 132 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:17:22,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:17:22,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:17:22,285 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) [2022-07-12 06:17:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:17:22,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-07-12 06:17:22,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:17:22,285 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:17:22,285 INFO L496 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) [2022-07-12 06:17:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:17:22,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:17:22,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:17:22,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:17:22,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:17:22,706 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 783 790) the Hoare annotation is: true [2022-07-12 06:17:22,706 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 783 790) no Hoare annotation was computed. [2022-07-12 06:17:22,706 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 783 790) no Hoare annotation was computed. [2022-07-12 06:17:22,706 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2022-07-12 06:17:22,706 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2022-07-12 06:17:22,706 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 623 634) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 623 634) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 623 634) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 766) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 771) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L895 garLoopResultBuilder]: At program point L589(lines 584 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 692 715) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2022-07-12 06:17:22,707 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2022-07-12 06:17:22,708 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,708 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L603-2(lines 599 610) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L769-1(lines 750 774) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,708 INFO L895 garLoopResultBuilder]: At program point L798(lines 791 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,708 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2022-07-12 06:17:22,709 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 692 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,709 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2022-07-12 06:17:22,709 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2022-07-12 06:17:22,709 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2022-07-12 06:17:22,709 INFO L895 garLoopResultBuilder]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-12 06:17:22,709 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2022-07-12 06:17:22,709 INFO L902 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2022-07-12 06:17:22,709 INFO L902 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2022-07-12 06:17:22,709 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 119 148) the Hoare annotation is: true [2022-07-12 06:17:22,709 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2022-07-12 06:17:22,709 INFO L902 garLoopResultBuilder]: At program point L144(lines 119 148) the Hoare annotation is: true [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L902 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 635 643) the Hoare annotation is: true [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 635 643) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 635 643) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 927) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L895 garLoopResultBuilder]: At program point L923-2(lines 915 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:17:22,710 INFO L899 garLoopResultBuilder]: For program point L886(lines 885 932) no Hoare annotation was computed. [2022-07-12 06:17:22,710 INFO L902 garLoopResultBuilder]: At program point L213(lines 194 216) the Hoare annotation is: true [2022-07-12 06:17:22,710 INFO L895 garLoopResultBuilder]: At program point L180(lines 176 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 928) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:17:22,711 INFO L902 garLoopResultBuilder]: At program point L936(lines 875 940) the Hoare annotation is: true [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point L887(lines 887 891) no Hoare annotation was computed. [2022-07-12 06:17:22,711 INFO L895 garLoopResultBuilder]: At program point L871(lines 866 873) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:17:22,711 INFO L895 garLoopResultBuilder]: At program point L933(lines 884 934) the Hoare annotation is: false [2022-07-12 06:17:22,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:17:22,712 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:17:22,712 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:17:22,712 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2022-07-12 06:17:22,712 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2022-07-12 06:17:22,712 INFO L895 garLoopResultBuilder]: At program point L930(lines 885 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:17:22,712 INFO L895 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:17:22,712 INFO L902 garLoopResultBuilder]: At program point L191(lines 184 193) the Hoare annotation is: true [2022-07-12 06:17:22,712 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2022-07-12 06:17:22,712 INFO L899 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2022-07-12 06:17:22,712 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:17:22,712 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 611 622) no Hoare annotation was computed. [2022-07-12 06:17:22,712 INFO L899 garLoopResultBuilder]: For program point L615-1(lines 611 622) no Hoare annotation was computed. [2022-07-12 06:17:22,713 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 611 622) the Hoare annotation is: true [2022-07-12 06:17:22,713 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 724 748) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,713 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,713 INFO L895 garLoopResultBuilder]: At program point L862(lines 847 865) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,713 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,713 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 724 748) no Hoare annotation was computed. [2022-07-12 06:17:22,713 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-07-12 06:17:22,713 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2022-07-12 06:17:22,713 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 860) no Hoare annotation was computed. [2022-07-12 06:17:22,713 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 860) no Hoare annotation was computed. [2022-07-12 06:17:22,713 INFO L895 garLoopResultBuilder]: At program point L681(lines 676 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,713 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:17:22,714 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2022-07-12 06:17:22,717 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 06:17:22,718 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:17:22,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:17:22 BoogieIcfgContainer [2022-07-12 06:17:22,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:17:22,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:17:22,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:17:22,733 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:17:22,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:17:21" (3/4) ... [2022-07-12 06:17:22,736 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:17:22,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:17:22,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:17:22,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:17:22,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:17:22,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:17:22,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:17:22,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:17:22,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:17:22,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-12 06:17:22,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:17:22,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:17:22,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:17:22,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:17:22,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:17:22,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:17:22,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:17:22,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-07-12 06:17:22,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-07-12 06:17:22,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:17:22,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-12 06:17:22,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:17:22,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:17:22,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:17:22,790 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:17:22,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:17:22,791 INFO L158 Benchmark]: Toolchain (without parser) took 2698.44ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 48.1MB in the beginning and 59.4MB in the end (delta: -11.3MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,791 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:17:22,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.58ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 47.9MB in the beginning and 67.5MB in the end (delta: -19.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.75ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 65.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,792 INFO L158 Benchmark]: Boogie Preprocessor took 45.61ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,792 INFO L158 Benchmark]: RCFGBuilder took 473.63ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 72.2MB in the end (delta: -8.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,792 INFO L158 Benchmark]: TraceAbstraction took 1638.10ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.8MB in the beginning and 65.0MB in the end (delta: 6.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,792 INFO L158 Benchmark]: Witness Printer took 57.03ms. Allocated memory is still 121.6MB. Free memory was 65.0MB in the beginning and 59.4MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 06:17:22,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.58ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 47.9MB in the beginning and 67.5MB in the end (delta: -19.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.75ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 65.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.61ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.63ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 72.2MB in the end (delta: -8.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1638.10ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.8MB in the beginning and 65.0MB in the end (delta: 6.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 57.03ms. Allocated memory is still 121.6MB. Free memory was 65.0MB in the beginning and 59.4MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. 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: 588]: 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 9 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 862 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 450 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 294 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 412 mSDtfsCounter, 294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, InterpolantAutomatonStates: 28, 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, 41 LocationsWithAnnotation, 293 PreInvPairs, 317 NumberOfFragments, 336 HoareAnnotationTreeSize, 293 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 646 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 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: 176]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:17:22,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE