./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_spec4_product30.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:01:32,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:01:32,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:01:32,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:01:32,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:01:32,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:01:32,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:01:32,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:01:32,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:01:32,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:01:32,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:01:32,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:01:32,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:01:32,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:01:32,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:01:32,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:01:32,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:01:32,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:01:32,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:01:32,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:01:32,637 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:01:32,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:01:32,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:01:32,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:01:32,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:01:32,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:01:32,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:01:32,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:01:32,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:01:32,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:01:32,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:01:32,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:01:32,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:01:32,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:01:32,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:01:32,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:01:32,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:01:32,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:01:32,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:01:32,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:01:32,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:01:32,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:01:32,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:01:32,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:01:32,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:01:32,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:01:32,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:01:32,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:01:32,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:01:32,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:01:32,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:01:32,701 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:01:32,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:01:32,702 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:01:32,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:01:32,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:01:32,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:01:32,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:01:32,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:01:32,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:01:32,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:01:32,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:01:32,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:01:32,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:01:32,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:01:32,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:01:32,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:01:32,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:01:32,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:01:32,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:01:32,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:01:32,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:01:32,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:01:32,706 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:01:32,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:01:32,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:01:32,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 [2022-07-21 05:01:33,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:01:33,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:01:33,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:01:33,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:01:33,063 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:01:33,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2022-07-21 05:01:33,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f93d9d1b/049df6e57cc844c0ae976c192d5d1034/FLAGc834b632f [2022-07-21 05:01:33,668 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:01:33,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2022-07-21 05:01:33,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f93d9d1b/049df6e57cc844c0ae976c192d5d1034/FLAGc834b632f [2022-07-21 05:01:34,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f93d9d1b/049df6e57cc844c0ae976c192d5d1034 [2022-07-21 05:01:34,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:01:34,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:01:34,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:01:34,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:01:34,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:01:34,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b62f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34, skipping insertion in model container [2022-07-21 05:01:34,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:01:34,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:01:34,524 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_spec4_product30.cil.c[18223,18236] [2022-07-21 05:01:34,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:01:34,534 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:01:34,599 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_spec4_product30.cil.c[18223,18236] [2022-07-21 05:01:34,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:01:34,615 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:01:34,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34 WrapperNode [2022-07-21 05:01:34,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:01:34,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:01:34,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:01:34,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:01:34,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,687 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 246 [2022-07-21 05:01:34,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:01:34,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:01:34,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:01:34,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:01:34,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:01:34,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:01:34,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:01:34,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:01:34,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (1/1) ... [2022-07-21 05:01:34,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:01:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:01:34,779 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) [2022-07-21 05:01:34,805 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 [2022-07-21 05:01:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:01:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:01:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:01:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:01:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:01:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:01:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:01:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:01:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:01:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:01:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:01:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 05:01:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 05:01:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:01:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:01:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:01:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:01:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:01:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:01:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:01:34,920 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:01:34,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:01:35,172 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:01:35,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:01:35,179 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:01:35,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:35 BoogieIcfgContainer [2022-07-21 05:01:35,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:01:35,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:01:35,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:01:35,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:01:35,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:01:34" (1/3) ... [2022-07-21 05:01:35,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56892e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:01:35, skipping insertion in model container [2022-07-21 05:01:35,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:34" (2/3) ... [2022-07-21 05:01:35,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56892e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:01:35, skipping insertion in model container [2022-07-21 05:01:35,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:35" (3/3) ... [2022-07-21 05:01:35,190 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2022-07-21 05:01:35,204 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:01:35,205 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:01:35,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:01:35,270 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@c778209, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@782100c1 [2022-07-21 05:01:35,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:01:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 05:01:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 05:01:35,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:35,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:35,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:35,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:35,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1651489756, now seen corresponding path program 1 times [2022-07-21 05:01:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:35,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118923963] [2022-07-21 05:01:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:35,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:35,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:35,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118923963] [2022-07-21 05:01:35,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118923963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:35,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:35,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:01:35,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244104060] [2022-07-21 05:01:35,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:35,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:01:35,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:35,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:01:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:01:35,557 INFO L87 Difference]: Start difference. First operand has 87 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:35,599 INFO L93 Difference]: Finished difference Result 166 states and 223 transitions. [2022-07-21 05:01:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:01:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 05:01:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:35,608 INFO L225 Difference]: With dead ends: 166 [2022-07-21 05:01:35,608 INFO L226 Difference]: Without dead ends: 78 [2022-07-21 05:01:35,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:01:35,614 INFO L413 NwaCegarLoop]: 108 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, 108 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 [2022-07-21 05:01:35,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-21 05:01:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-21 05:01:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 05:01:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-07-21 05:01:35,650 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 19 [2022-07-21 05:01:35,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:35,651 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-07-21 05:01:35,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-07-21 05:01:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 05:01:35,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:35,653 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] [2022-07-21 05:01:35,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:01:35,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:35,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:35,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1176523386, now seen corresponding path program 1 times [2022-07-21 05:01:35,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:35,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190945785] [2022-07-21 05:01:35,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:35,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:35,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190945785] [2022-07-21 05:01:35,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190945785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:35,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:35,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:01:35,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684435808] [2022-07-21 05:01:35,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:35,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:01:35,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:35,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:01:35,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:35,715 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:35,728 INFO L93 Difference]: Finished difference Result 121 states and 153 transitions. [2022-07-21 05:01:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:01:35,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-21 05:01:35,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:35,731 INFO L225 Difference]: With dead ends: 121 [2022-07-21 05:01:35,731 INFO L226 Difference]: Without dead ends: 69 [2022-07-21 05:01:35,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:35,733 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 155 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 [2022-07-21 05:01:35,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:35,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-07-21 05:01:35,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-07-21 05:01:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 58 states have internal predecessors, (67), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-21 05:01:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2022-07-21 05:01:35,742 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 20 [2022-07-21 05:01:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:35,742 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2022-07-21 05:01:35,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-07-21 05:01:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 05:01:35,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:35,744 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] [2022-07-21 05:01:35,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:01:35,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:35,745 INFO L85 PathProgramCache]: Analyzing trace with hash 59160395, now seen corresponding path program 1 times [2022-07-21 05:01:35,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:35,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428789575] [2022-07-21 05:01:35,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:35,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:35,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:35,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428789575] [2022-07-21 05:01:35,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428789575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:35,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:35,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:01:35,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648428449] [2022-07-21 05:01:35,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:35,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:01:35,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:35,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:01:35,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:01:35,820 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:35,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:35,866 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2022-07-21 05:01:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:01:35,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-21 05:01:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:35,868 INFO L225 Difference]: With dead ends: 131 [2022-07-21 05:01:35,868 INFO L226 Difference]: Without dead ends: 69 [2022-07-21 05:01:35,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:01:35,870 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 112 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:35,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 208 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-07-21 05:01:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-07-21 05:01:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 58 states have internal predecessors, (66), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-21 05:01:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2022-07-21 05:01:35,880 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 25 [2022-07-21 05:01:35,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:35,880 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2022-07-21 05:01:35,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:01:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2022-07-21 05:01:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-21 05:01:35,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:35,882 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] [2022-07-21 05:01:35,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:01:35,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:35,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1213028198, now seen corresponding path program 1 times [2022-07-21 05:01:35,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:35,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335382252] [2022-07-21 05:01:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:35,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:01:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:36,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:36,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335382252] [2022-07-21 05:01:36,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335382252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:36,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:36,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 05:01:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456181012] [2022-07-21 05:01:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:36,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 05:01:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:36,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 05:01:36,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 05:01:36,018 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:01:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:36,536 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2022-07-21 05:01:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 05:01:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2022-07-21 05:01:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:36,546 INFO L225 Difference]: With dead ends: 281 [2022-07-21 05:01:36,546 INFO L226 Difference]: Without dead ends: 219 [2022-07-21 05:01:36,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2022-07-21 05:01:36,557 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 257 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:36,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 451 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 05:01:36,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-07-21 05:01:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 180. [2022-07-21 05:01:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.2923076923076924) internal successors, (168), 148 states have internal predecessors, (168), 29 states have call successors, (29), 20 states have call predecessors, (29), 20 states have return successors, (32), 17 states have call predecessors, (32), 29 states have call successors, (32) [2022-07-21 05:01:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 229 transitions. [2022-07-21 05:01:36,602 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 229 transitions. Word has length 35 [2022-07-21 05:01:36,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:36,602 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 229 transitions. [2022-07-21 05:01:36,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:01:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2022-07-21 05:01:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 05:01:36,605 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:36,605 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] [2022-07-21 05:01:36,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:01:36,606 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:36,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:36,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1911530027, now seen corresponding path program 1 times [2022-07-21 05:01:36,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:36,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740742261] [2022-07-21 05:01:36,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:36,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 05:01:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:01:36,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:36,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740742261] [2022-07-21 05:01:36,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740742261] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:36,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:36,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 05:01:36,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276918210] [2022-07-21 05:01:36,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:36,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 05:01:36,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:36,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 05:01:36,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 05:01:36,693 INFO L87 Difference]: Start difference. First operand 180 states and 229 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:01:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:36,743 INFO L93 Difference]: Finished difference Result 291 states and 375 transitions. [2022-07-21 05:01:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 05:01:36,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-07-21 05:01:36,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:36,753 INFO L225 Difference]: With dead ends: 291 [2022-07-21 05:01:36,753 INFO L226 Difference]: Without dead ends: 118 [2022-07-21 05:01:36,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:01:36,759 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 55 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:36,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 66 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-07-21 05:01:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-07-21 05:01:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 89 states have (on average 1.202247191011236) internal successors, (107), 95 states have internal predecessors, (107), 14 states have call successors, (14), 14 states have call predecessors, (14), 14 states have return successors, (15), 14 states have call predecessors, (15), 14 states have call successors, (15) [2022-07-21 05:01:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2022-07-21 05:01:36,774 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 37 [2022-07-21 05:01:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:36,774 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2022-07-21 05:01:36,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:01:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2022-07-21 05:01:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-21 05:01:36,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:36,777 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:36,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:01:36,777 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:36,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash -422097733, now seen corresponding path program 1 times [2022-07-21 05:01:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:36,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859874839] [2022-07-21 05:01:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:36,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:01:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:01:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 05:01:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 05:01:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-21 05:01:36,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:36,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859874839] [2022-07-21 05:01:36,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859874839] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:01:36,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543487010] [2022-07-21 05:01:36,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:36,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:01:36,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:01:36,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 05:01:36,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:01:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:37,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 05:01:37,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:01:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:01:37,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:01:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-21 05:01:37,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543487010] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 05:01:37,476 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 05:01:37,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 16 [2022-07-21 05:01:37,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619109701] [2022-07-21 05:01:37,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 05:01:37,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-21 05:01:37,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:37,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-21 05:01:37,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-07-21 05:01:37,478 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand has 16 states, 16 states have (on average 6.5) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) [2022-07-21 05:01:37,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:37,687 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2022-07-21 05:01:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:01:37,688 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) Word has length 71 [2022-07-21 05:01:37,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:37,690 INFO L225 Difference]: With dead ends: 157 [2022-07-21 05:01:37,690 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:01:37,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2022-07-21 05:01:37,691 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 167 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:37,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 427 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:37,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:01:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:01:37,696 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) [2022-07-21 05:01:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:01:37,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2022-07-21 05:01:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:37,696 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:01:37,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16) [2022-07-21 05:01:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:01:37,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:01:37,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:01:37,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 05:01:37,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-21 05:01:37,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:01:38,924 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2022-07-21 05:01:38,924 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2022-07-21 05:01:38,924 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2022-07-21 05:01:38,924 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 206 212) no Hoare annotation was computed. [2022-07-21 05:01:38,924 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 206 212) the Hoare annotation is: true [2022-07-21 05:01:38,924 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-07-21 05:01:38,924 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-21 05:01:38,925 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-21 05:01:38,925 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2022-07-21 05:01:38,925 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2022-07-21 05:01:38,925 INFO L902 garLoopResultBuilder]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2022-07-21 05:01:38,925 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2022-07-21 05:01:38,925 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2022-07-21 05:01:38,925 INFO L902 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2022-07-21 05:01:38,925 INFO L902 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: true [2022-07-21 05:01:38,925 INFO L899 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2022-07-21 05:01:38,925 INFO L902 garLoopResultBuilder]: At program point L842(lines 817 846) the Hoare annotation is: true [2022-07-21 05:01:38,925 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2022-07-21 05:01:38,926 INFO L895 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,926 INFO L895 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,926 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,926 INFO L899 garLoopResultBuilder]: For program point L246-1(line 246) no Hoare annotation was computed. [2022-07-21 05:01:38,926 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 182 205) no Hoare annotation was computed. [2022-07-21 05:01:38,926 INFO L895 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-07-21 05:01:38,926 INFO L895 garLoopResultBuilder]: At program point L259-1(lines 240 264) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-07-21 05:01:38,926 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 199) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 169) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L895 garLoopResultBuilder]: At program point L156-1(lines 148 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 0))) (.cse3 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse4))) [2022-07-21 05:01:38,927 INFO L895 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1)) .cse3))) [2022-07-21 05:01:38,927 INFO L895 garLoopResultBuilder]: At program point L314(lines 309 317) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L954(line 954) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 185 204) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 261) no Hoare annotation was computed. [2022-07-21 05:01:38,927 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-21 05:01:38,928 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,928 INFO L895 garLoopResultBuilder]: At program point L955(lines 950 957) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,928 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 182 205) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-07-21 05:01:38,928 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 182 205) no Hoare annotation was computed. [2022-07-21 05:01:38,928 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2022-07-21 05:01:38,928 INFO L895 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~9#1|) (= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~9#1| 1) .cse2 .cse3))) [2022-07-21 05:01:38,928 INFO L902 garLoopResultBuilder]: At program point L444(lines 383 448) the Hoare annotation is: true [2022-07-21 05:01:38,928 INFO L895 garLoopResultBuilder]: At program point L378(lines 373 380) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~9#1|) (= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~9#1| 1) .cse2 .cse3))) [2022-07-21 05:01:38,928 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 409) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L895 garLoopResultBuilder]: At program point L441(lines 392 442) the Hoare annotation is: false [2022-07-21 05:01:38,929 INFO L895 garLoopResultBuilder]: At program point L945(lines 940 948) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:01:38,929 INFO L895 garLoopResultBuilder]: At program point L875(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~9#1|) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:01:38,929 INFO L895 garLoopResultBuilder]: At program point L937(lines 933 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 419) no Hoare annotation was computed. [2022-07-21 05:01:38,929 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 413 419) no Hoare annotation was computed. [2022-07-21 05:01:38,930 INFO L895 garLoopResultBuilder]: At program point L438(lines 393 440) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~9#1|) (= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~9#1| 1) .cse2 .cse3))) [2022-07-21 05:01:38,930 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~9#1|) (= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~9#1| 1) .cse2 .cse3))) [2022-07-21 05:01:38,930 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 908) no Hoare annotation was computed. [2022-07-21 05:01:38,930 INFO L899 garLoopResultBuilder]: For program point L901-2(lines 901 908) no Hoare annotation was computed. [2022-07-21 05:01:38,930 INFO L895 garLoopResultBuilder]: At program point L930(lines 926 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:01:38,930 INFO L902 garLoopResultBuilder]: At program point L885(lines 878 887) the Hoare annotation is: true [2022-07-21 05:01:38,930 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2022-07-21 05:01:38,930 INFO L902 garLoopResultBuilder]: At program point L910(lines 891 913) the Hoare annotation is: true [2022-07-21 05:01:38,930 INFO L895 garLoopResultBuilder]: At program point L431-2(lines 423 436) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~9#1|) (= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~9#1| 1) .cse2 .cse3))) [2022-07-21 05:01:38,930 INFO L899 garLoopResultBuilder]: For program point L394(lines 393 440) no Hoare annotation was computed. [2022-07-21 05:01:38,931 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 436) no Hoare annotation was computed. [2022-07-21 05:01:38,931 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-21 05:01:38,931 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-21 05:01:38,931 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2022-07-21 05:01:38,931 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,931 INFO L895 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,931 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,931 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 230) no Hoare annotation was computed. [2022-07-21 05:01:38,931 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 235) no Hoare annotation was computed. [2022-07-21 05:01:38,931 INFO L895 garLoopResultBuilder]: At program point L369(lines 354 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-21 05:01:38,932 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 214 238) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-07-21 05:01:38,932 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 214 238) no Hoare annotation was computed. [2022-07-21 05:01:38,932 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 367) no Hoare annotation was computed. [2022-07-21 05:01:38,932 INFO L899 garLoopResultBuilder]: For program point L363-2(lines 363 367) no Hoare annotation was computed. [2022-07-21 05:01:38,932 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-07-21 05:01:38,932 INFO L899 garLoopResultBuilder]: For program point L233-1(lines 214 238) no Hoare annotation was computed. [2022-07-21 05:01:38,932 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 298 308) the Hoare annotation is: true [2022-07-21 05:01:38,932 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2022-07-21 05:01:38,932 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2022-07-21 05:01:38,932 INFO L902 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: true [2022-07-21 05:01:38,935 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-21 05:01:38,937 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:01:38,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:01:38 BoogieIcfgContainer [2022-07-21 05:01:38,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:01:38,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:01:38,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:01:38,954 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:01:38,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:35" (3/4) ... [2022-07-21 05:01:38,957 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:01:38,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:01:38,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:01:38,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:01:38,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:01:38,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:01:38,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:01:38,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:01:38,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 05:01:38,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-21 05:01:38,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:01:38,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:01:38,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:01:38,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:01:38,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:01:38,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:01:38,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-21 05:01:38,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == tmp) && waterLevel == 1) && !(0 == systemActive) [2022-07-21 05:01:38,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == tmp) && waterLevel == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-07-21 05:01:38,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-07-21 05:01:38,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-21 05:01:38,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == tmp) && waterLevel == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-07-21 05:01:38,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) [2022-07-21 05:01:38,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:01:38,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2022-07-21 05:01:38,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-07-21 05:01:38,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2022-07-21 05:01:38,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-07-21 05:01:39,011 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:01:39,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:01:39,012 INFO L158 Benchmark]: Toolchain (without parser) took 4857.22ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 28.5MB in the beginning and 29.8MB in the end (delta: -1.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,012 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:01:39,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.48ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.3MB in the beginning and 38.1MB in the end (delta: -9.8MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.00ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 35.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,013 INFO L158 Benchmark]: Boogie Preprocessor took 57.18ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,013 INFO L158 Benchmark]: RCFGBuilder took 436.03ms. Allocated memory is still 62.9MB. Free memory was 33.9MB in the beginning and 34.7MB in the end (delta: -761.5kB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,013 INFO L158 Benchmark]: TraceAbstraction took 3768.84ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 35.5MB in the end (delta: -1.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,014 INFO L158 Benchmark]: Witness Printer took 57.30ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 29.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 05:01:39,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.48ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.3MB in the beginning and 38.1MB in the end (delta: -9.8MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.00ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 35.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.18ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.03ms. Allocated memory is still 62.9MB. Free memory was 33.9MB in the beginning and 34.7MB in the end (delta: -761.5kB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3768.84ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 35.5MB in the end (delta: -1.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Witness Printer took 57.30ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 29.8MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 954]: 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, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 613 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 604 mSDsluCounter, 1415 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 950 mSDsCounter, 180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 180 mSolverCounterUnsat, 465 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=4, InterpolantAutomatonStates: 40, 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, 6 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 349 PreInvPairs, 371 NumberOfFragments, 704 HoareAnnotationTreeSize, 349 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 728 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 341 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 392 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 81/87 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: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == tmp) && waterLevel == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == tmp) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == tmp) && waterLevel == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:01:39,059 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