./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product22.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_product22.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:01:29,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:01:29,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:01:29,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:01:29,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:01:29,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:01:29,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:01:29,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:01:29,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:01:29,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:01:29,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:01:29,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:01:29,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:01:29,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:01:29,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:01:29,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:01:29,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:01:29,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:01:29,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:01:29,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:01:29,325 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:01:29,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:01:29,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:01:29,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:01:29,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:01:29,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:01:29,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:01:29,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:01:29,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:01:29,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:01:29,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:01:29,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:01:29,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:01:29,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:01:29,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:01:29,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:01:29,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:01:29,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:01:29,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:01:29,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:01:29,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:01:29,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:01:29,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:01:29,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:01:29,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:01:29,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:01:29,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:01:29,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:01:29,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:01:29,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:01:29,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:01:29,376 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:01:29,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:01:29,377 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:01:29,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:01:29,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:01:29,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:01:29,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:01:29,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:01:29,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:01:29,378 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:01:29,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:01:29,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:01:29,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:01:29,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:01:29,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:01:29,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:01:29,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:01:29,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:01:29,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:01:29,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:01:29,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:01:29,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:01:29,380 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:01:29,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:01:29,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:01:29,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2022-07-21 05:01:29,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:01:29,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:01:29,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:01:29,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:01:29,656 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:01:29,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-07-21 05:01:29,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084197438/69136ff14f984257b9bb6ef898f0ce9b/FLAGa30b3f052 [2022-07-21 05:01:30,110 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:01:30,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-07-21 05:01:30,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084197438/69136ff14f984257b9bb6ef898f0ce9b/FLAGa30b3f052 [2022-07-21 05:01:30,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084197438/69136ff14f984257b9bb6ef898f0ce9b [2022-07-21 05:01:30,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:01:30,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:01:30,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:01:30,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:01:30,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:01:30,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5638d468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30, skipping insertion in model container [2022-07-21 05:01:30,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:01:30,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:01:30,353 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_product22.cil.c[8015,8028] [2022-07-21 05:01:30,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:01:30,416 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:01:30,451 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_product22.cil.c[8015,8028] [2022-07-21 05:01:30,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:01:30,507 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:01:30,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30 WrapperNode [2022-07-21 05:01:30,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:01:30,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:01:30,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:01:30,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:01:30,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,566 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2022-07-21 05:01:30,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:01:30,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:01:30,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:01:30,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:01:30,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:01:30,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:01:30,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:01:30,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:01:30,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (1/1) ... [2022-07-21 05:01:30,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:01:30,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:01:30,668 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 05:01:30,699 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 05:01:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:01:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:01:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:01:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:01:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:01:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:01:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:01:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:01:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:01:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-21 05:01:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-21 05:01:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:01:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:01:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:01:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:01:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:01:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:01:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:01:30,784 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:01:30,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:01:31,051 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:01:31,055 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:01:31,056 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:01:31,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:31 BoogieIcfgContainer [2022-07-21 05:01:31,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:01:31,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:01:31,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:01:31,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:01:31,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:01:30" (1/3) ... [2022-07-21 05:01:31,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60571399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:01:31, skipping insertion in model container [2022-07-21 05:01:31,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:01:30" (2/3) ... [2022-07-21 05:01:31,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60571399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:01:31, skipping insertion in model container [2022-07-21 05:01:31,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:31" (3/3) ... [2022-07-21 05:01:31,064 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2022-07-21 05:01:31,075 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:01:31,075 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:01:31,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:01:31,143 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@5aaa2593, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7b70e81a [2022-07-21 05:01:31,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:01:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 05:01:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 05:01:31,164 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:31,165 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 05:01:31,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:31,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:31,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1081284888, now seen corresponding path program 1 times [2022-07-21 05:01:31,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:31,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549120088] [2022-07-21 05:01:31,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:31,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:31,371 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 05:01:31,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:31,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549120088] [2022-07-21 05:01:31,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549120088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:31,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:31,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:01:31,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318668101] [2022-07-21 05:01:31,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:31,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:01:31,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:31,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:01:31,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:01:31,405 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) 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 05:01:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:31,454 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2022-07-21 05:01:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:01:31,456 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 05:01:31,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:31,475 INFO L225 Difference]: With dead ends: 158 [2022-07-21 05:01:31,475 INFO L226 Difference]: Without dead ends: 74 [2022-07-21 05:01:31,478 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 05:01:31,487 INFO L413 NwaCegarLoop]: 104 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, 104 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 05:01:31,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-07-21 05:01:31,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-07-21 05:01:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 05:01:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-07-21 05:01:31,540 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2022-07-21 05:01:31,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:31,540 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-07-21 05:01:31,541 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 05:01:31,541 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-07-21 05:01:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 05:01:31,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:31,543 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 05:01:31,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:01:31,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:31,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:31,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1730590592, now seen corresponding path program 1 times [2022-07-21 05:01:31,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:31,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449085795] [2022-07-21 05:01:31,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:31,620 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 05:01:31,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:31,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449085795] [2022-07-21 05:01:31,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449085795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:31,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:31,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:01:31,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769632012] [2022-07-21 05:01:31,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:31,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:01:31,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:31,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:01:31,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:31,624 INFO L87 Difference]: Start difference. First operand 74 states and 95 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 05:01:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:31,639 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2022-07-21 05:01:31,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:01:31,641 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 05:01:31,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:31,644 INFO L225 Difference]: With dead ends: 113 [2022-07-21 05:01:31,645 INFO L226 Difference]: Without dead ends: 65 [2022-07-21 05:01:31,649 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 05:01:31,650 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 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 05:01:31,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:31,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-07-21 05:01:31,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-07-21 05:01:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 05:01:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2022-07-21 05:01:31,663 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 20 [2022-07-21 05:01:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:31,664 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2022-07-21 05:01:31,667 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 05:01:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-07-21 05:01:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 05:01:31,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:31,669 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 05:01:31,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:01:31,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:31,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:31,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1455931255, now seen corresponding path program 1 times [2022-07-21 05:01:31,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:31,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970191640] [2022-07-21 05:01:31,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:31,708 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 05:01:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:31,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970191640] [2022-07-21 05:01:31,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970191640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:31,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:31,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:01:31,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546453643] [2022-07-21 05:01:31,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:31,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:01:31,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:31,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:01:31,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:01:31,711 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 05:01:31,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:31,732 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2022-07-21 05:01:31,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:01:31,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 05:01:31,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:31,735 INFO L225 Difference]: With dead ends: 123 [2022-07-21 05:01:31,735 INFO L226 Difference]: Without dead ends: 65 [2022-07-21 05:01:31,735 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 05:01:31,736 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:31,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:31,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-07-21 05:01:31,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-07-21 05:01:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 05:01:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-07-21 05:01:31,752 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 25 [2022-07-21 05:01:31,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:31,752 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-07-21 05:01:31,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 05:01:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-07-21 05:01:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-21 05:01:31,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:31,753 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 05:01:31,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:01:31,754 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:31,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash -930014932, now seen corresponding path program 1 times [2022-07-21 05:01:31,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:31,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655828231] [2022-07-21 05:01:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:01:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:31,818 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 05:01:31,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:31,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655828231] [2022-07-21 05:01:31,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655828231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:31,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:31,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:01:31,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292580199] [2022-07-21 05:01:31,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:31,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:01:31,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:31,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:01:31,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:01:31,821 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 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 05:01:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:32,010 INFO L93 Difference]: Finished difference Result 196 states and 256 transitions. [2022-07-21 05:01:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:01:32,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 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 05:01:32,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:32,012 INFO L225 Difference]: With dead ends: 196 [2022-07-21 05:01:32,013 INFO L226 Difference]: Without dead ends: 138 [2022-07-21 05:01:32,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-21 05:01:32,014 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 117 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:32,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 309 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:01:32,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-07-21 05:01:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 116. [2022-07-21 05:01:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.302325581395349) internal successors, (112), 98 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 11 states have return successors, (19), 9 states have call predecessors, (19), 18 states have call successors, (19) [2022-07-21 05:01:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2022-07-21 05:01:32,040 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 35 [2022-07-21 05:01:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:32,041 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2022-07-21 05:01:32,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 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 05:01:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2022-07-21 05:01:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-21 05:01:32,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:01:32,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:01:32,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:01:32,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:01:32,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:01:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash 320961478, now seen corresponding path program 1 times [2022-07-21 05:01:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:01:32,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402912710] [2022-07-21 05:01:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:01:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:01:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 05:01:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:01:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:01:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:01:32,141 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 05:01:32,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:01:32,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402912710] [2022-07-21 05:01:32,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402912710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:01:32,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:01:32,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:01:32,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966531240] [2022-07-21 05:01:32,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:01:32,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:01:32,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:01:32,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:01:32,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:01:32,143 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:01:32,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:01:32,225 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2022-07-21 05:01:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:01:32,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-07-21 05:01:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:01:32,226 INFO L225 Difference]: With dead ends: 195 [2022-07-21 05:01:32,226 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:01:32,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 05:01:32,228 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 69 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:01:32,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 144 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:01:32,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:01:32,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:01:32,229 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 05:01:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:01:32,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-07-21 05:01:32,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:01:32,230 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:01:32,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:01:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:01:32,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:01:32,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:01:32,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:01:32,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:01:32,839 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 285 292) the Hoare annotation is: true [2022-07-21 05:01:32,840 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2022-07-21 05:01:32,840 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 285 292) no Hoare annotation was computed. [2022-07-21 05:01:32,840 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2022-07-21 05:01:32,840 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2022-07-21 05:01:32,840 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-07-21 05:01:32,840 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-21 05:01:32,840 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-21 05:01:32,841 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2022-07-21 05:01:32,841 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2022-07-21 05:01:32,841 INFO L902 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2022-07-21 05:01:32,841 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-21 05:01:32,841 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2022-07-21 05:01:32,841 INFO L902 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2022-07-21 05:01:32,841 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2022-07-21 05:01:32,842 INFO L902 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2022-07-21 05:01:32,842 INFO L902 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2022-07-21 05:01:32,842 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2022-07-21 05:01:32,842 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,842 INFO L895 garLoopResultBuilder]: At program point L271-1(lines 252 276) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,842 INFO L895 garLoopResultBuilder]: At program point L300(lines 293 303) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,842 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2022-07-21 05:01:32,843 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2022-07-21 05:01:32,843 INFO L895 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2022-07-21 05:01:32,843 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 197 216) no Hoare annotation was computed. [2022-07-21 05:01:32,843 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2022-07-21 05:01:32,843 INFO L895 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-21 05:01:32,843 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-21 05:01:32,843 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2022-07-21 05:01:32,844 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2022-07-21 05:01:32,844 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2022-07-21 05:01:32,855 INFO L895 garLoopResultBuilder]: At program point L558-1(lines 550 574) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~5#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-21 05:01:32,856 INFO L895 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,856 INFO L895 garLoopResultBuilder]: At program point L546(lines 541 548) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,856 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-21 05:01:32,856 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,856 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,856 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2022-07-21 05:01:32,857 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,857 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2022-07-21 05:01:32,857 INFO L895 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,857 INFO L895 garLoopResultBuilder]: At program point L436(lines 387 437) the Hoare annotation is: false [2022-07-21 05:01:32,857 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2022-07-21 05:01:32,857 INFO L899 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2022-07-21 05:01:32,857 INFO L895 garLoopResultBuilder]: At program point L164(lines 160 166) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:01:32,858 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:01:32,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:01:32,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:01:32,858 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2022-07-21 05:01:32,858 INFO L902 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2022-07-21 05:01:32,858 INFO L899 garLoopResultBuilder]: For program point L408-1(lines 408 414) no Hoare annotation was computed. [2022-07-21 05:01:32,858 INFO L895 garLoopResultBuilder]: At program point L433(lines 388 435) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 05:01:32,859 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 05:01:32,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:01:32,859 INFO L895 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:01:32,859 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2022-07-21 05:01:32,859 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 418 431) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 05:01:32,859 INFO L899 garLoopResultBuilder]: For program point L389(lines 388 435) no Hoare annotation was computed. [2022-07-21 05:01:32,859 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 431) no Hoare annotation was computed. [2022-07-21 05:01:32,859 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 05:01:32,860 INFO L902 garLoopResultBuilder]: At program point L439(lines 378 443) the Hoare annotation is: true [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point L373(lines 368 375) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:01:32,860 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2022-07-21 05:01:32,860 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point L171(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:01:32,860 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2022-07-21 05:01:32,860 INFO L902 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2022-07-21 05:01:32,860 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-21 05:01:32,860 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 226 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,860 INFO L895 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,861 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,861 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2022-07-21 05:01:32,861 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 247) no Hoare annotation was computed. [2022-07-21 05:01:32,861 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-07-21 05:01:32,861 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-07-21 05:01:32,861 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 226 250) no Hoare annotation was computed. [2022-07-21 05:01:32,861 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-21 05:01:32,861 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2022-07-21 05:01:32,864 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 05:01:32,865 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:01:32,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:01:32 BoogieIcfgContainer [2022-07-21 05:01:32,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:01:32,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:01:32,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:01:32,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:01:32,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:01:31" (3/4) ... [2022-07-21 05:01:32,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:01:32,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:01:32,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:01:32,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:01:32,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:01:32,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:01:32,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:01:32,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-21 05:01:32,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-21 05:01:32,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:01:32,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:01:32,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:01:32,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:01:32,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:01:32,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:01:32,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 05:01:32,953 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) [2022-07-21 05:01:32,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-07-21 05:01:32,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 05:01:32,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-07-21 05:01:32,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 05:01:32,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 05:01:32,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2022-07-21 05:01:32,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 05:01:32,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 05:01:32,973 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:01:32,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:01:32,988 INFO L158 Benchmark]: Toolchain (without parser) took 2857.17ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 42.0MB in the beginning and 34.5MB in the end (delta: 7.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,988 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 48.2MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:01:32,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.36ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 33.8MB in the end (delta: 8.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.95ms. Allocated memory is still 58.7MB. Free memory was 33.6MB in the beginning and 31.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,989 INFO L158 Benchmark]: Boogie Preprocessor took 51.80ms. Allocated memory is still 58.7MB. Free memory was 31.2MB in the beginning and 29.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,989 INFO L158 Benchmark]: RCFGBuilder took 436.75ms. Allocated memory is still 58.7MB. Free memory was 29.7MB in the beginning and 27.2MB in the end (delta: 2.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,989 INFO L158 Benchmark]: TraceAbstraction took 1833.05ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 26.7MB in the beginning and 39.6MB in the end (delta: -12.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,989 INFO L158 Benchmark]: Witness Printer took 93.39ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 34.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 05:01:32,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 48.2MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.36ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 33.8MB in the end (delta: 8.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.95ms. Allocated memory is still 58.7MB. Free memory was 33.6MB in the beginning and 31.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.80ms. Allocated memory is still 58.7MB. Free memory was 31.2MB in the beginning and 29.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.75ms. Allocated memory is still 58.7MB. Free memory was 29.7MB in the beginning and 27.2MB in the end (delta: 2.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1833.05ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 26.7MB in the beginning and 39.6MB in the end (delta: -12.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Witness Printer took 93.39ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 34.5MB in the end (delta: 5.2MB). 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: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 785 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 387 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 279 PreInvPairs, 303 NumberOfFragments, 379 HoareAnnotationTreeSize, 279 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 615 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-07-21 05:01:33,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE