./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_spec2_product24.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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:34,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:34,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:35,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:35,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:35,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:35,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:35,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:35,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:35,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:35,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:35,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:35,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:35,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:35,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:35,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:35,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:35,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:35,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:35,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:35,072 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:35,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:35,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:35,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:35,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:35,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:35,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:35,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:35,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:35,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:35,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:35,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:35,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:35,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:35,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:35,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:35,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:35,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:35,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:35,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:35,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:35,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:35,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:35,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:35,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:35,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:35,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:35,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:35,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:35,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:35,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:35,161 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:35,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:35,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:35,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:35,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:35,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:35,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:35,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:35,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:35,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:35,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:35,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:35,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:35,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:35,175 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:35,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:35,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:35,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2022-07-22 17:37:35,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:35,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:35,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:35,441 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:35,442 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:35,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2022-07-22 17:37:35,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63747828/aad53eb787d746bb9999eeb9e9fba2ec/FLAGa8a17dc06 [2022-07-22 17:37:35,835 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:35,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2022-07-22 17:37:35,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63747828/aad53eb787d746bb9999eeb9e9fba2ec/FLAGa8a17dc06 [2022-07-22 17:37:36,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63747828/aad53eb787d746bb9999eeb9e9fba2ec [2022-07-22 17:37:36,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:36,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:36,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:36,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:36,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:36,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69106974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36, skipping insertion in model container [2022-07-22 17:37:36,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:36,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:36,485 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_spec2_product24.cil.c[17451,17464] [2022-07-22 17:37:36,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:36,514 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:36,572 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_spec2_product24.cil.c[17451,17464] [2022-07-22 17:37:36,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:36,604 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:36,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36 WrapperNode [2022-07-22 17:37:36,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:36,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:36,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:36,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:36,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,646 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 247 [2022-07-22 17:37:36,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:36,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:36,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:36,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:36,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:36,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:36,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:36,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:36,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:36,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:36,733 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) [2022-07-22 17:37:36,735 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 [2022-07-22 17:37:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:37:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:37:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:36,858 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:36,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:37,049 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:37,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:37,054 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:37,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:37 BoogieIcfgContainer [2022-07-22 17:37:37,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:37,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:37,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:37,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:37,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:36" (1/3) ... [2022-07-22 17:37:37,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b136f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:37, skipping insertion in model container [2022-07-22 17:37:37,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (2/3) ... [2022-07-22 17:37:37,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b136f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:37, skipping insertion in model container [2022-07-22 17:37:37,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:37" (3/3) ... [2022-07-22 17:37:37,063 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2022-07-22 17:37:37,074 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:37,074 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:37,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:37,124 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@5d6f721a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3c955f1e [2022-07-22 17:37:37,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:37:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:37,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,136 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] [2022-07-22 17:37:37,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1705763640, now seen corresponding path program 1 times [2022-07-22 17:37:37,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872869192] [2022-07-22 17:37:37,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872869192] [2022-07-22 17:37:37,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872869192] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:37,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756317799] [2022-07-22 17:37:37,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:37,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:37,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:37,389 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-22 17:37:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,412 INFO L93 Difference]: Finished difference Result 179 states and 244 transitions. [2022-07-22 17:37:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:37,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-07-22 17:37:37,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,430 INFO L225 Difference]: With dead ends: 179 [2022-07-22 17:37:37,430 INFO L226 Difference]: Without dead ends: 85 [2022-07-22 17:37:37,432 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 [2022-07-22 17:37:37,434 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2022-07-22 17:37:37,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:37,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-07-22 17:37:37,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-07-22 17:37:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-22 17:37:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-07-22 17:37:37,462 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-07-22 17:37:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,462 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-07-22 17:37:37,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-22 17:37:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-07-22 17:37:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:37,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,465 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] [2022-07-22 17:37:37,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:37,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,465 INFO L85 PathProgramCache]: Analyzing trace with hash 153807758, now seen corresponding path program 1 times [2022-07-22 17:37:37,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684937899] [2022-07-22 17:37:37,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684937899] [2022-07-22 17:37:37,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684937899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:37,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415066047] [2022-07-22 17:37:37,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:37,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:37,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:37,534 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-22 17:37:37,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,544 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-07-22 17:37:37,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:37,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-07-22 17:37:37,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,546 INFO L225 Difference]: With dead ends: 130 [2022-07-22 17:37:37,546 INFO L226 Difference]: Without dead ends: 76 [2022-07-22 17:37:37,547 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 [2022-07-22 17:37:37,548 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 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 [2022-07-22 17:37:37,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-22 17:37:37,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-22 17:37:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 17:37:37,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-07-22 17:37:37,555 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-07-22 17:37:37,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,556 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-07-22 17:37:37,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-22 17:37:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-07-22 17:37:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:37:37,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,557 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] [2022-07-22 17:37:37,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:37,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1290936219, now seen corresponding path program 1 times [2022-07-22 17:37:37,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968515036] [2022-07-22 17:37:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968515036] [2022-07-22 17:37:37,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968515036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:37,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451686671] [2022-07-22 17:37:37,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:37,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:37,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:37,620 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-07-22 17:37:37,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,744 INFO L93 Difference]: Finished difference Result 187 states and 245 transitions. [2022-07-22 17:37:37,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:37:37,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-07-22 17:37:37,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,750 INFO L225 Difference]: With dead ends: 187 [2022-07-22 17:37:37,753 INFO L226 Difference]: Without dead ends: 119 [2022-07-22 17:37:37,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:37:37,757 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:37,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 330 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-07-22 17:37:37,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2022-07-22 17:37:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 97 states have internal predecessors, (116), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 12 states have call predecessors, (18), 17 states have call successors, (18) [2022-07-22 17:37:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2022-07-22 17:37:37,783 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 31 [2022-07-22 17:37:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,783 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2022-07-22 17:37:37,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-07-22 17:37:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2022-07-22 17:37:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 17:37:37,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,787 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] [2022-07-22 17:37:37,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:37,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash -917206296, now seen corresponding path program 1 times [2022-07-22 17:37:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623867169] [2022-07-22 17:37:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623867169] [2022-07-22 17:37:37,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623867169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:37,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908090089] [2022-07-22 17:37:37,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:37,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:37,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:37,874 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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) [2022-07-22 17:37:37,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,991 INFO L93 Difference]: Finished difference Result 330 states and 440 transitions. [2022-07-22 17:37:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:37:37,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 34 [2022-07-22 17:37:37,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,993 INFO L225 Difference]: With dead ends: 330 [2022-07-22 17:37:37,993 INFO L226 Difference]: Without dead ends: 222 [2022-07-22 17:37:37,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:37,995 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 66 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:37,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 480 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:37,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-07-22 17:37:38,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 216. [2022-07-22 17:37:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 157 states have (on average 1.3312101910828025) internal successors, (209), 178 states have internal predecessors, (209), 34 states have call successors, (34), 24 states have call predecessors, (34), 24 states have return successors, (38), 24 states have call predecessors, (38), 34 states have call successors, (38) [2022-07-22 17:37:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 281 transitions. [2022-07-22 17:37:38,013 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 281 transitions. Word has length 34 [2022-07-22 17:37:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:38,013 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 281 transitions. [2022-07-22 17:37:38,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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) [2022-07-22 17:37:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 281 transitions. [2022-07-22 17:37:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 17:37:38,014 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:38,014 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] [2022-07-22 17:37:38,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:38,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:38,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:38,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2070015524, now seen corresponding path program 1 times [2022-07-22 17:37:38,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:38,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408847502] [2022-07-22 17:37:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:38,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:37:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:38,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:38,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408847502] [2022-07-22 17:37:38,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408847502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:38,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:38,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:38,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188570907] [2022-07-22 17:37:38,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:38,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:38,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:38,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:38,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:38,077 INFO L87 Difference]: Start difference. First operand 216 states and 281 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:38,156 INFO L93 Difference]: Finished difference Result 376 states and 494 transitions. [2022-07-22 17:37:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:37:38,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-22 17:37:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:38,156 INFO L225 Difference]: With dead ends: 376 [2022-07-22 17:37:38,156 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:38,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:38,158 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 55 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:38,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 135 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:38,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:38,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:38,159 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) [2022-07-22 17:37:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:38,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-07-22 17:37:38,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:38,159 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:38,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:38,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:38,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:38,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:37:38,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:38,634 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 156 163) the Hoare annotation is: true [2022-07-22 17:37:38,634 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 156 163) no Hoare annotation was computed. [2022-07-22 17:37:38,634 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 156 163) no Hoare annotation was computed. [2022-07-22 17:37:38,634 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2022-07-22 17:37:38,634 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2022-07-22 17:37:38,634 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 913 924) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-22 17:37:38,634 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 913 924) no Hoare annotation was computed. [2022-07-22 17:37:38,634 INFO L899 garLoopResultBuilder]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 740 769) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L902 garLoopResultBuilder]: At program point L765(lines 740 769) the Hoare annotation is: true [2022-07-22 17:37:38,635 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 740 769) the Hoare annotation is: true [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L902 garLoopResultBuilder]: At program point L754-1(lines 754 758) the Hoare annotation is: true [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L902 garLoopResultBuilder]: At program point L750-2(lines 750 764) the Hoare annotation is: true [2022-07-22 17:37:38,635 INFO L902 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: true [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point L746-1(line 746) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 925 933) the Hoare annotation is: true [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 925 933) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 925 933) no Hoare annotation was computed. [2022-07-22 17:37:38,635 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:38,635 INFO L899 garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L895 garLoopResultBuilder]: At program point L180(lines 175 183) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-07-22 17:37:38,636 INFO L895 garLoopResultBuilder]: At program point L882(lines 877 884) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 68 87) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 869) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 872) no Hoare annotation was computed. [2022-07-22 17:37:38,636 INFO L895 garLoopResultBuilder]: At program point L855-1(lines 847 875) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2022-07-22 17:37:38,636 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:38,636 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L895 garLoopResultBuilder]: At program point L893-2(lines 889 900) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 65 88) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:38,637 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-22 17:37:38,637 INFO L895 garLoopResultBuilder]: At program point L142-1(lines 123 147) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-22 17:37:38,637 INFO L895 garLoopResultBuilder]: At program point L171(lines 164 174) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L902 garLoopResultBuilder]: At program point L832(lines 813 835) the Hoare annotation is: true [2022-07-22 17:37:38,637 INFO L902 garLoopResultBuilder]: At program point L329(lines 266 333) the Hoare annotation is: true [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2022-07-22 17:37:38,637 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 296 302) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L895 garLoopResultBuilder]: At program point L259(lines 254 261) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,638 INFO L895 garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L895 garLoopResultBuilder]: At program point L734(lines 729 737) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L895 garLoopResultBuilder]: At program point L251(lines 239 253) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:38,638 INFO L895 garLoopResultBuilder]: At program point L726(lines 722 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point L243-1(lines 243 249) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L895 garLoopResultBuilder]: At program point L326(lines 275 327) the Hoare annotation is: false [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,638 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed. [2022-07-22 17:37:38,639 INFO L895 garLoopResultBuilder]: At program point L314-2(lines 306 321) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:38,639 INFO L899 garLoopResultBuilder]: For program point L277(lines 276 325) no Hoare annotation was computed. [2022-07-22 17:37:38,639 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2022-07-22 17:37:38,639 INFO L895 garLoopResultBuilder]: At program point L719(lines 715 721) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,639 INFO L895 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:38,639 INFO L902 garLoopResultBuilder]: At program point L810(lines 802 812) the Hoare annotation is: true [2022-07-22 17:37:38,639 INFO L895 garLoopResultBuilder]: At program point L323(lines 276 325) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:38,639 INFO L895 garLoopResultBuilder]: At program point L798(lines 794 800) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 292) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 830) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point L823-2(lines 823 830) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L895 garLoopResultBuilder]: At program point L844(lines 839 846) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 901 912) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2022-07-22 17:37:38,643 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 901 912) the Hoare annotation is: true [2022-07-22 17:37:38,644 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 97 121) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,644 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,644 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2022-07-22 17:37:38,644 INFO L895 garLoopResultBuilder]: At program point L971(lines 966 974) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,644 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2022-07-22 17:37:38,644 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,644 INFO L895 garLoopResultBuilder]: At program point L235(lines 220 238) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,644 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,644 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2022-07-22 17:37:38,644 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2022-07-22 17:37:38,644 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2022-07-22 17:37:38,644 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 229 233) no Hoare annotation was computed. [2022-07-22 17:37:38,660 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 17:37:38,662 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:38,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:38 BoogieIcfgContainer [2022-07-22 17:37:38,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:38,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:38,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:38,679 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:38,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:37" (3/4) ... [2022-07-22 17:37:38,682 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:38,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:37:38,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:37:38,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:38,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:38,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:38,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:38,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:38,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:38,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-22 17:37:38,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:38,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:38,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:38,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:38,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:38,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:38,712 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-07-22 17:37:38,713 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-07-22 17:37:38,713 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-07-22 17:37:38,713 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 [2022-07-22 17:37:38,714 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:38,715 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-22 17:37:38,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-07-22 17:37:38,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2022-07-22 17:37:38,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:38,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 [2022-07-22 17:37:38,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-22 17:37:38,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:38,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,743 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:38,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:38,743 INFO L158 Benchmark]: Toolchain (without parser) took 2496.09ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 58.1MB in the end (delta: 6.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,744 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:38,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.28ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 45.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.34ms. Allocated memory is still 102.8MB. Free memory was 45.1MB in the beginning and 42.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,752 INFO L158 Benchmark]: Boogie Preprocessor took 40.28ms. Allocated memory is still 102.8MB. Free memory was 42.6MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,752 INFO L158 Benchmark]: RCFGBuilder took 368.62ms. Allocated memory is still 102.8MB. Free memory was 41.1MB in the beginning and 72.1MB in the end (delta: -31.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,752 INFO L158 Benchmark]: TraceAbstraction took 1621.01ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 71.4MB in the beginning and 63.6MB in the end (delta: 7.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,752 INFO L158 Benchmark]: Witness Printer took 64.04ms. Allocated memory is still 123.7MB. Free memory was 63.6MB in the beginning and 58.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.28ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 45.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.34ms. Allocated memory is still 102.8MB. Free memory was 45.1MB in the beginning and 42.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.28ms. Allocated memory is still 102.8MB. Free memory was 42.6MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.62ms. Allocated memory is still 102.8MB. Free memory was 41.1MB in the beginning and 72.1MB in the end (delta: -31.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1621.01ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 71.4MB in the beginning and 63.6MB in the end (delta: 7.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 64.04ms. Allocated memory is still 123.7MB. Free memory was 63.6MB in the beginning and 58.1MB in the end (delta: 5.5MB). 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: 881]: 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, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 1236 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 751 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 485 mSDtfsCounter, 146 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 379 PreInvPairs, 429 NumberOfFragments, 337 HoareAnnotationTreeSize, 379 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1164 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 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: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:38,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE