./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_spec5_product60.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 b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:17:11,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:17:11,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:17:11,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:17:11,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:17:11,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:17:11,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:17:11,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:17:11,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:17:11,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:17:11,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:17:11,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:17:11,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:17:11,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:17:11,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:17:11,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:17:11,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:17:11,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:17:11,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:17:11,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:17:11,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:17:11,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:17:11,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:17:11,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:17:11,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:17:11,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:17:11,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:17:11,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:17:11,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:17:11,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:17:11,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:17:11,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:17:11,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:17:11,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:17:11,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:17:11,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:17:11,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:17:11,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:17:11,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:17:11,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:17:11,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:17:11,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:17:11,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:17:11,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:17:11,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:17:11,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:17:11,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:17:11,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:17:11,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:17:11,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:17:11,567 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:17:11,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:17:11,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:17:11,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:17:11,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:17:11,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:17:11,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:17:11,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:17:11,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:17:11,569 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:17:11,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:17:11,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:17:11,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:17:11,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:17:11,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:17:11,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:17:11,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:17:11,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:17:11,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:17:11,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:17:11,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:17:11,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:17:11,571 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:17:11,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:17:11,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:17:11,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:17:11,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 [2021-12-21 13:17:11,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:17:11,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:17:11,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:17:11,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:17:11,771 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:17:11,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2021-12-21 13:17:11,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6957832d/b7209dfc67e1475a9eb19e9f8f731328/FLAG81d285a13 [2021-12-21 13:17:12,209 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:17:12,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2021-12-21 13:17:12,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6957832d/b7209dfc67e1475a9eb19e9f8f731328/FLAG81d285a13 [2021-12-21 13:17:12,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6957832d/b7209dfc67e1475a9eb19e9f8f731328 [2021-12-21 13:17:12,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:17:12,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:17:12,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:17:12,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:17:12,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:17:12,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bd394f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12, skipping insertion in model container [2021-12-21 13:17:12,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:17:12,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:17:12,498 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_spec5_product60.cil.c[18075,18088] [2021-12-21 13:17:12,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:17:12,526 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:17:12,577 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_spec5_product60.cil.c[18075,18088] [2021-12-21 13:17:12,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:17:12,596 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:17:12,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12 WrapperNode [2021-12-21 13:17:12,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:17:12,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:17:12,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:17:12,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:17:12,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,633 INFO L137 Inliner]: procedures = 60, calls = 162, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 291 [2021-12-21 13:17:12,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:17:12,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:17:12,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:17:12,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:17:12,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:17:12,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:17:12,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:17:12,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:17:12,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (1/1) ... [2021-12-21 13:17:12,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:17:12,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:12,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 13:17:12,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 13:17:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:17:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:17:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:17:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:17:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:17:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:17:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:17:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:17:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:17:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:17:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:17:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-21 13:17:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-21 13:17:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:17:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:17:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:17:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:17:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:17:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:17:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:17:12,778 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:17:12,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:17:13,005 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:17:13,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:17:13,014 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:17:13,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:17:13 BoogieIcfgContainer [2021-12-21 13:17:13,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:17:13,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:17:13,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:17:13,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:17:13,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:17:12" (1/3) ... [2021-12-21 13:17:13,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7688bb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:17:13, skipping insertion in model container [2021-12-21 13:17:13,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:17:12" (2/3) ... [2021-12-21 13:17:13,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7688bb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:17:13, skipping insertion in model container [2021-12-21 13:17:13,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:17:13" (3/3) ... [2021-12-21 13:17:13,021 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2021-12-21 13:17:13,024 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:17:13,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:17:13,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:17:13,060 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 13:17:13,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:17:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 80 states have (on average 1.3625) internal successors, (109), 89 states have internal predecessors, (109), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-21 13:17:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-21 13:17:13,079 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:13,079 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:13,079 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:13,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:13,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1321598299, now seen corresponding path program 1 times [2021-12-21 13:17:13,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:13,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074715430] [2021-12-21 13:17:13,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:13,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:17:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:17:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:13,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:13,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074715430] [2021-12-21 13:17:13,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074715430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:13,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:13,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:17:13,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85872706] [2021-12-21 13:17:13,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:13,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:17:13,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:13,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:17:13,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:17:13,268 INFO L87 Difference]: Start difference. First operand has 104 states, 80 states have (on average 1.3625) internal successors, (109), 89 states have internal predecessors, (109), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:17:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:13,311 INFO L93 Difference]: Finished difference Result 199 states and 268 transitions. [2021-12-21 13:17:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:17:13,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-21 13:17:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:13,320 INFO L225 Difference]: With dead ends: 199 [2021-12-21 13:17:13,321 INFO L226 Difference]: Without dead ends: 95 [2021-12-21 13:17:13,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:17:13,327 INFO L933 BasicCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:13,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:17:13,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-12-21 13:17:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-12-21 13:17:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 81 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-21 13:17:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions. [2021-12-21 13:17:13,374 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 32 [2021-12-21 13:17:13,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:13,374 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions. [2021-12-21 13:17:13,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:17:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2021-12-21 13:17:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-21 13:17:13,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:13,377 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:13,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:17:13,377 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:13,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:13,381 INFO L85 PathProgramCache]: Analyzing trace with hash 932141827, now seen corresponding path program 1 times [2021-12-21 13:17:13,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:13,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731762955] [2021-12-21 13:17:13,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:13,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:17:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:17:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:13,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:13,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731762955] [2021-12-21 13:17:13,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731762955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:13,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:13,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:17:13,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033026180] [2021-12-21 13:17:13,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:13,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:17:13,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:13,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:17:13,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:17:13,446 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:17:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:13,466 INFO L93 Difference]: Finished difference Result 150 states and 192 transitions. [2021-12-21 13:17:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:17:13,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-21 13:17:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:13,469 INFO L225 Difference]: With dead ends: 150 [2021-12-21 13:17:13,469 INFO L226 Difference]: Without dead ends: 86 [2021-12-21 13:17:13,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:17:13,473 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 17 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:13,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 196 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:17:13,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-12-21 13:17:13,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-12-21 13:17:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 75 states have internal predecessors, (88), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-21 13:17:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2021-12-21 13:17:13,480 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 33 [2021-12-21 13:17:13,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:13,480 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2021-12-21 13:17:13,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:17:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2021-12-21 13:17:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-21 13:17:13,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:13,481 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:13,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:17:13,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:13,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:13,482 INFO L85 PathProgramCache]: Analyzing trace with hash -509762780, now seen corresponding path program 1 times [2021-12-21 13:17:13,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:13,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109983772] [2021-12-21 13:17:13,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:13,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:17:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:13,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:13,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109983772] [2021-12-21 13:17:13,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109983772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:13,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:13,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:17:13,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381135628] [2021-12-21 13:17:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:13,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:17:13,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:13,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:17:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:17:13,576 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:17:13,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:13,637 INFO L93 Difference]: Finished difference Result 211 states and 274 transitions. [2021-12-21 13:17:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:17:13,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 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 38 [2021-12-21 13:17:13,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:13,638 INFO L225 Difference]: With dead ends: 211 [2021-12-21 13:17:13,639 INFO L226 Difference]: Without dead ends: 133 [2021-12-21 13:17:13,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:17:13,640 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 171 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:13,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 374 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:17:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-12-21 13:17:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2021-12-21 13:17:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 100 states have (on average 1.33) internal successors, (133), 111 states have internal predecessors, (133), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2021-12-21 13:17:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 168 transitions. [2021-12-21 13:17:13,652 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 168 transitions. Word has length 38 [2021-12-21 13:17:13,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:13,652 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 168 transitions. [2021-12-21 13:17:13,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:17:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2021-12-21 13:17:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-21 13:17:13,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:13,654 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:13,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:17:13,654 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:13,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:13,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1072402805, now seen corresponding path program 1 times [2021-12-21 13:17:13,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:13,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891977371] [2021-12-21 13:17:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:13,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:17:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:17:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:17:13,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:13,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891977371] [2021-12-21 13:17:13,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891977371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:13,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:13,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:17:13,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795854402] [2021-12-21 13:17:13,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:13,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:17:13,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:13,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:17:13,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:17:13,727 INFO L87 Difference]: Start difference. First operand 130 states and 168 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:17:13,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:13,824 INFO L93 Difference]: Finished difference Result 301 states and 400 transitions. [2021-12-21 13:17:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:17:13,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-21 13:17:13,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:13,826 INFO L225 Difference]: With dead ends: 301 [2021-12-21 13:17:13,826 INFO L226 Difference]: Without dead ends: 179 [2021-12-21 13:17:13,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:17:13,828 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 55 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:13,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 511 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:17:13,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-12-21 13:17:13,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 169. [2021-12-21 13:17:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 130 states have (on average 1.2692307692307692) internal successors, (165), 141 states have internal predecessors, (165), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-21 13:17:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 213 transitions. [2021-12-21 13:17:13,841 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 213 transitions. Word has length 41 [2021-12-21 13:17:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:13,841 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 213 transitions. [2021-12-21 13:17:13,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:17:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 213 transitions. [2021-12-21 13:17:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-21 13:17:13,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:13,843 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:13,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:17:13,843 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:13,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2130728348, now seen corresponding path program 1 times [2021-12-21 13:17:13,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:13,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204202301] [2021-12-21 13:17:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:13,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:17:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 13:17:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:13,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:13,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204202301] [2021-12-21 13:17:13,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204202301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:13,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:13,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:17:13,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263014251] [2021-12-21 13:17:13,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:13,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:17:13,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:13,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:17:13,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:17:13,943 INFO L87 Difference]: Start difference. First operand 169 states and 213 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:17:14,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:14,044 INFO L93 Difference]: Finished difference Result 363 states and 470 transitions. [2021-12-21 13:17:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:17:14,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-21 13:17:14,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:14,046 INFO L225 Difference]: With dead ends: 363 [2021-12-21 13:17:14,047 INFO L226 Difference]: Without dead ends: 202 [2021-12-21 13:17:14,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:17:14,049 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 71 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:14,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 421 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:17:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-21 13:17:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 195. [2021-12-21 13:17:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 151 states have (on average 1.2582781456953642) internal successors, (190), 162 states have internal predecessors, (190), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2021-12-21 13:17:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2021-12-21 13:17:14,061 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 56 [2021-12-21 13:17:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:14,061 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2021-12-21 13:17:14,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:17:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2021-12-21 13:17:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-21 13:17:14,062 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:14,062 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:14,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:17:14,063 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash 358800614, now seen corresponding path program 1 times [2021-12-21 13:17:14,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:14,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404894162] [2021-12-21 13:17:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:14,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:17:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 13:17:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:14,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:14,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404894162] [2021-12-21 13:17:14,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404894162] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:14,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:14,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:17:14,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284829596] [2021-12-21 13:17:14,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:14,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:17:14,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:14,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:17:14,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:17:14,172 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:17:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:14,327 INFO L93 Difference]: Finished difference Result 395 states and 509 transitions. [2021-12-21 13:17:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:17:14,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-21 13:17:14,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:14,329 INFO L225 Difference]: With dead ends: 395 [2021-12-21 13:17:14,329 INFO L226 Difference]: Without dead ends: 208 [2021-12-21 13:17:14,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:17:14,334 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 123 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:14,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 462 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:17:14,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-12-21 13:17:14,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 197. [2021-12-21 13:17:14,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 164 states have internal predecessors, (192), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2021-12-21 13:17:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2021-12-21 13:17:14,349 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 56 [2021-12-21 13:17:14,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:14,350 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2021-12-21 13:17:14,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:17:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2021-12-21 13:17:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-21 13:17:14,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:14,351 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:14,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:17:14,351 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:14,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:14,351 INFO L85 PathProgramCache]: Analyzing trace with hash 499349224, now seen corresponding path program 1 times [2021-12-21 13:17:14,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:14,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079804170] [2021-12-21 13:17:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:14,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:17:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 13:17:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:14,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:14,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079804170] [2021-12-21 13:17:14,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079804170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:14,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:14,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:17:14,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930662899] [2021-12-21 13:17:14,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:14,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:17:14,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:14,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:17:14,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:17:14,424 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:17:14,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:14,602 INFO L93 Difference]: Finished difference Result 599 states and 781 transitions. [2021-12-21 13:17:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:17:14,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-21 13:17:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:14,607 INFO L225 Difference]: With dead ends: 599 [2021-12-21 13:17:14,607 INFO L226 Difference]: Without dead ends: 410 [2021-12-21 13:17:14,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:17:14,612 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 230 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:14,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 360 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:17:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-21 13:17:14,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2021-12-21 13:17:14,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 313 states have (on average 1.2300319488817892) internal successors, (385), 332 states have internal predecessors, (385), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (78), 51 states have call predecessors, (78), 52 states have call successors, (78) [2021-12-21 13:17:14,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 515 transitions. [2021-12-21 13:17:14,639 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 515 transitions. Word has length 56 [2021-12-21 13:17:14,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:14,639 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 515 transitions. [2021-12-21 13:17:14,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:17:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 515 transitions. [2021-12-21 13:17:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-21 13:17:14,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:14,645 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:14,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:17:14,645 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:14,645 INFO L85 PathProgramCache]: Analyzing trace with hash 510255989, now seen corresponding path program 1 times [2021-12-21 13:17:14,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:14,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194695238] [2021-12-21 13:17:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:14,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 13:17:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 13:17:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 13:17:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:14,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:14,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194695238] [2021-12-21 13:17:14,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194695238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:14,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:14,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:17:14,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653377164] [2021-12-21 13:17:14,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:14,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:17:14,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:14,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:17:14,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:17:14,705 INFO L87 Difference]: Start difference. First operand 408 states and 515 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:17:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:14,854 INFO L93 Difference]: Finished difference Result 887 states and 1123 transitions. [2021-12-21 13:17:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:17:14,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 63 [2021-12-21 13:17:14,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:14,857 INFO L225 Difference]: With dead ends: 887 [2021-12-21 13:17:14,857 INFO L226 Difference]: Without dead ends: 487 [2021-12-21 13:17:14,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:17:14,859 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 184 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:14,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 347 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:17:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-12-21 13:17:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 465. [2021-12-21 13:17:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 357 states have (on average 1.2240896358543418) internal successors, (437), 381 states have internal predecessors, (437), 59 states have call successors, (59), 42 states have call predecessors, (59), 48 states have return successors, (89), 59 states have call predecessors, (89), 59 states have call successors, (89) [2021-12-21 13:17:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 585 transitions. [2021-12-21 13:17:14,884 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 585 transitions. Word has length 63 [2021-12-21 13:17:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:14,884 INFO L470 AbstractCegarLoop]: Abstraction has 465 states and 585 transitions. [2021-12-21 13:17:14,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:17:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 585 transitions. [2021-12-21 13:17:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-21 13:17:14,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:14,885 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:14,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:17:14,886 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:14,886 INFO L85 PathProgramCache]: Analyzing trace with hash 741082050, now seen corresponding path program 1 times [2021-12-21 13:17:14,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:14,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108267434] [2021-12-21 13:17:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:14,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:17:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:17:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 13:17:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:17:14,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:14,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108267434] [2021-12-21 13:17:14,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108267434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:14,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:14,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 13:17:14,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727479801] [2021-12-21 13:17:14,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:14,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 13:17:14,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:14,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 13:17:14,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:17:14,983 INFO L87 Difference]: Start difference. First operand 465 states and 585 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:17:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:15,551 INFO L93 Difference]: Finished difference Result 1127 states and 1468 transitions. [2021-12-21 13:17:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-21 13:17:15,552 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2021-12-21 13:17:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:15,555 INFO L225 Difference]: With dead ends: 1127 [2021-12-21 13:17:15,555 INFO L226 Difference]: Without dead ends: 762 [2021-12-21 13:17:15,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2021-12-21 13:17:15,558 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 678 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:15,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [686 Valid, 645 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:17:15,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2021-12-21 13:17:15,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 604. [2021-12-21 13:17:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 464 states have (on average 1.2112068965517242) internal successors, (562), 495 states have internal predecessors, (562), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2021-12-21 13:17:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 745 transitions. [2021-12-21 13:17:15,586 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 745 transitions. Word has length 60 [2021-12-21 13:17:15,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:15,586 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 745 transitions. [2021-12-21 13:17:15,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:17:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 745 transitions. [2021-12-21 13:17:15,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-21 13:17:15,588 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:15,588 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:15,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:17:15,588 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:15,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1062453768, now seen corresponding path program 1 times [2021-12-21 13:17:15,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:15,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748868861] [2021-12-21 13:17:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 13:17:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:17:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 13:17:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:17:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:17:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 13:17:15,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:15,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748868861] [2021-12-21 13:17:15,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748868861] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:17:15,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648819913] [2021-12-21 13:17:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:15,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:15,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:15,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:17:15,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:17:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:15,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:17:15,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:17:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:17:16,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:17:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 13:17:16,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648819913] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:17:16,244 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:17:16,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-21 13:17:16,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185619811] [2021-12-21 13:17:16,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:17:16,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-21 13:17:16,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:16,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-21 13:17:16,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-21 13:17:16,245 INFO L87 Difference]: Start difference. First operand 604 states and 745 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-21 13:17:17,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:17,017 INFO L93 Difference]: Finished difference Result 1310 states and 1663 transitions. [2021-12-21 13:17:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-21 13:17:17,017 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 102 [2021-12-21 13:17:17,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:17,018 INFO L225 Difference]: With dead ends: 1310 [2021-12-21 13:17:17,018 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:17:17,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2021-12-21 13:17:17,021 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 431 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:17,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 1615 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 13:17:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:17:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:17:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 13:17:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:17:17,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2021-12-21 13:17:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:17,022 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:17:17,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-21 13:17:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:17:17,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:17:17,024 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:17:17,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:17:17,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 13:17:17,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:17:20,566 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 179 186) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 179 186) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 179 186) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 94 100) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 94 100) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 964 975) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point L968-1(lines 964 975) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 964 975) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point L801-1(line 801) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 795 824) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 795 824) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point L820(lines 795 824) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point L816(line 816) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point L809-1(lines 809 813) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L861 garLoopResultBuilder]: At program point L805-2(lines 805 819) the Hoare annotation is: true [2021-12-21 13:17:20,567 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 417) no Hoare annotation was computed. [2021-12-21 13:17:20,567 INFO L854 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2021-12-21 13:17:20,568 INFO L854 garLoopResultBuilder]: At program point L147-1(lines 128 152) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not .cse2)) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4) .cse1)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse3 .cse6 .cse7) .cse2 .cse1 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse9 .cse7))))) [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 81 87) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L854 garLoopResultBuilder]: At program point L944-2(lines 940 951) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L854 garLoopResultBuilder]: At program point L395(lines 388 397) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse4) .cse3)))) [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 67 93) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L854 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (let ((.cse5 (<= ~waterLevel~0 2))) (or .cse3 (and .cse4 .cse5 .cse6) .cse7 .cse1 (and .cse8 .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse3 (and .cse8 .cse9 .cse6) .cse7 .cse1 .cse2 (and .cse4 .cse9 .cse6))) (or .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L408-1(line 408) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L854 garLoopResultBuilder]: At program point L1036(lines 1031 1039) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L74-2(lines 70 92) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L933(line 933) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 149) no Hoare annotation was computed. [2021-12-21 13:17:20,568 INFO L854 garLoopResultBuilder]: At program point L277(lines 262 280) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2021-12-21 13:17:20,569 INFO L858 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L934(lines 929 936) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 .cse2 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2021-12-21 13:17:20,569 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 420) no Hoare annotation was computed. [2021-12-21 13:17:20,569 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 423) no Hoare annotation was computed. [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L1013(lines 1008 1016) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 (not .cse3)) .cse4)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse1 .cse6 .cse7) .cse3 .cse4 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse3 .cse4 .cse10 (and .cse1 .cse9 .cse7))) (or .cse0 .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse10))) [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L406-1(lines 398 426) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse7 .cse2)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2) .cse3) (or .cse0 (and (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|) (<= |timeShift_getWaterLevel_#res#1| 2) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse3 .cse4) (or .cse0 .cse1 .cse3 (not .cse5)) (let ((.cse8 (<= ~waterLevel~0 2))) (or .cse6 (and .cse7 .cse8 .cse9) .cse5 .cse3 (and .cse10 .cse8 .cse9) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse11 (= ~waterLevel~0 1))) (or .cse6 (and .cse10 .cse11 .cse9) .cse5 .cse3 .cse4 (and .cse7 .cse11 .cse9)))))) [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 67 93) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2021-12-21 13:17:20,569 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 67 93) no Hoare annotation was computed. [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2021-12-21 13:17:20,569 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 933) no Hoare annotation was computed. [2021-12-21 13:17:20,569 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2021-12-21 13:17:20,569 INFO L854 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L853(lines 849 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:17:20,570 INFO L861 garLoopResultBuilder]: At program point L371(lines 308 375) the Hoare annotation is: true [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L301(lines 296 303) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L293(lines 281 295) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~10#1| 1)) [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L880(lines 880 887) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L368(lines 317 369) the Hoare annotation is: false [2021-12-21 13:17:20,570 INFO L858 garLoopResultBuilder]: For program point L880-2(lines 880 887) no Hoare annotation was computed. [2021-12-21 13:17:20,570 INFO L854 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 362) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point L356-2(lines 348 363) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point L385(lines 380 387) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:17:20,571 INFO L861 garLoopResultBuilder]: At program point L864(lines 856 866) the Hoare annotation is: true [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L319(lines 318 367) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 363) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L861 garLoopResultBuilder]: At program point L889(lines 870 892) the Hoare annotation is: true [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point L365(lines 318 367) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 334) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 102 126) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse1))) [2021-12-21 13:17:20,571 INFO L854 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse0 .cse1))) [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 118) no Hoare annotation was computed. [2021-12-21 13:17:20,571 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 123) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point L158(lines 153 160) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 102 126) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 102 126) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point L169-2(lines 162 178) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0) .cse1 (and (= ~pumpRunning~0 0) .cse0) .cse2)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point L1026(lines 1017 1030) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) .cse0 (and .cse2 (<= 2 ~waterLevel~0)) .cse1)))) [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse0 (and .cse2 (<= 2 ~waterLevel~0)) .cse1)))) [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point L194(lines 187 197) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse1))) [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 952 963) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point L956-1(lines 952 963) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 952 963) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse3))) [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 198 206) no Hoare annotation was computed. [2021-12-21 13:17:20,572 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 198 206) the Hoare annotation is: true [2021-12-21 13:17:20,572 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 198 206) no Hoare annotation was computed. [2021-12-21 13:17:20,580 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:20,581 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:17:20,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:17:20 BoogieIcfgContainer [2021-12-21 13:17:20,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:17:20,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:17:20,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:17:20,612 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:17:20,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:17:13" (3/4) ... [2021-12-21 13:17:20,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:17:20,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:17:20,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:17:20,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:17:20,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:17:20,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:17:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:17:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:17:20,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-21 13:17:20,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-21 13:17:20,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:17:20,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:17:20,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:17:20,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:17:20,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:17:20,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:17:20,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-21 13:17:20,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-12-21 13:17:20,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-12-21 13:17:20,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2021-12-21 13:17:20,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2021-12-21 13:17:20,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:20,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2021-12-21 13:17:20,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 < tmp && \result <= 2) && tmp <= 2) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:17:20,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1 [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:20,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2021-12-21 13:17:20,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2021-12-21 13:17:20,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2021-12-21 13:17:20,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2021-12-21 13:17:20,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) [2021-12-21 13:17:20,677 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:17:20,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:17:20,677 INFO L158 Benchmark]: Toolchain (without parser) took 8436.62ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 62.2MB in the beginning and 92.4MB in the end (delta: -30.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,678 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 51.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:17:20,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.35ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.2MB in the beginning and 81.6MB in the end (delta: -19.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.57ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,678 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,678 INFO L158 Benchmark]: RCFGBuilder took 344.09ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 59.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,679 INFO L158 Benchmark]: TraceAbstraction took 7594.02ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 99.7MB in the end (delta: -40.6MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,679 INFO L158 Benchmark]: Witness Printer took 65.66ms. Allocated memory is still 138.4MB. Free memory was 99.7MB in the beginning and 92.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 13:17:20,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 51.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.35ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.2MB in the beginning and 81.6MB in the end (delta: -19.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.57ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.09ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 59.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7594.02ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 99.7MB in the end (delta: -40.6MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 65.66ms. Allocated memory is still 138.4MB. Free memory was 99.7MB in the beginning and 92.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 933]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1993 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1960 mSDsluCounter, 5062 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3684 mSDsCounter, 611 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2291 IncrementalHoareTripleChecker+Invalid, 2902 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 611 mSolverCounterUnsat, 1378 mSDtfsCounter, 2291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 417 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=604occurred in iteration=9, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 213 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 1597 PreInvPairs, 1905 NumberOfFragments, 2014 HoareAnnotationTreeSize, 1597 FomulaSimplifications, 2019 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 11954 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433 SizeOfPredicates, 3 NumberOfNonLiveVariables, 494 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 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: 243]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 < tmp && \result <= 2) && tmp <= 2) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1031]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 1017]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:17:20,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE