./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_product42.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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:39,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:39,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:39,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:39,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:39,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:39,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:39,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:39,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:39,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:39,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:39,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:39,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:39,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:39,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:39,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:39,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:39,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:39,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:39,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:39,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:39,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:39,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:39,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:39,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:39,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:39,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:39,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:39,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:39,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:39,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:39,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:39,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:39,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:39,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:39,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:39,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:39,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:39,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:39,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:39,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:39,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:39,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:39,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:39,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:39,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:39,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:39,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:39,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:39,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:39,734 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:39,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:39,735 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:39,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:39,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:39,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:39,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:39,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:39,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:39,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:39,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:39,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:39,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:39,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:39,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:39,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:39,738 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:39,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:39,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:39,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:39,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2021-12-17 15:09:39,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:39,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:39,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:39,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:39,944 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:39,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-12-17 15:09:39,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c62e9138/fa9d9aac5e0e49f191f98333ee7845ea/FLAG09f772ca2 [2021-12-17 15:09:40,362 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:40,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-12-17 15:09:40,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c62e9138/fa9d9aac5e0e49f191f98333ee7845ea/FLAG09f772ca2 [2021-12-17 15:09:40,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c62e9138/fa9d9aac5e0e49f191f98333ee7845ea [2021-12-17 15:09:40,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:40,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:40,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:40,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:40,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:40,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecb9c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40, skipping insertion in model container [2021-12-17 15:09:40,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:40,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:40,632 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_product42.cil.c[3693,3706] [2021-12-17 15:09:40,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:40,741 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:40,752 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_product42.cil.c[3693,3706] [2021-12-17 15:09:40,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:40,790 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:40,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40 WrapperNode [2021-12-17 15:09:40,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:40,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:40,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:40,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:40,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,832 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 254 [2021-12-17 15:09:40,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:40,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:40,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:40,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:40,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:40,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:40,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:40,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:40,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (1/1) ... [2021-12-17 15:09:40,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:40,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:40,917 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) [2021-12-17 15:09:40,939 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 [2021-12-17 15:09:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:41,019 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:41,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:41,235 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:41,240 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:41,240 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:41,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:41 BoogieIcfgContainer [2021-12-17 15:09:41,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:41,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:41,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:41,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:41,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:40" (1/3) ... [2021-12-17 15:09:41,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a372af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:41, skipping insertion in model container [2021-12-17 15:09:41,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:40" (2/3) ... [2021-12-17 15:09:41,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a372af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:41, skipping insertion in model container [2021-12-17 15:09:41,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:41" (3/3) ... [2021-12-17 15:09:41,248 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2021-12-17 15:09:41,251 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:41,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:41,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:41,311 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 [2021-12-17 15:09:41,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-17 15:09:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:41,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:41,338 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] [2021-12-17 15:09:41,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:41,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash -690410843, now seen corresponding path program 1 times [2021-12-17 15:09:41,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:41,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977846758] [2021-12-17 15:09:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:41,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:41,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:41,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977846758] [2021-12-17 15:09:41,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977846758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:41,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:41,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:41,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870984642] [2021-12-17 15:09:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:41,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:41,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:41,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:41,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:41,603 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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) [2021-12-17 15:09:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:41,639 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2021-12-17 15:09:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:41,641 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 [2021-12-17 15:09:41,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:41,647 INFO L225 Difference]: With dead ends: 161 [2021-12-17 15:09:41,648 INFO L226 Difference]: Without dead ends: 76 [2021-12-17 15:09:41,650 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 [2021-12-17 15:09:41,652 INFO L933 BasicCegarLoop]: 106 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, 106 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 [2021-12-17 15:09:41,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:41,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-17 15:09:41,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-17 15:09:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-17 15:09:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2021-12-17 15:09:41,679 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2021-12-17 15:09:41,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:41,680 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2021-12-17 15:09:41,680 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) [2021-12-17 15:09:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2021-12-17 15:09:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:09:41,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:41,684 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] [2021-12-17 15:09:41,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:41,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:41,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1965939987, now seen corresponding path program 1 times [2021-12-17 15:09:41,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:41,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989524676] [2021-12-17 15:09:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:41,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:09:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:41,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:41,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989524676] [2021-12-17 15:09:41,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989524676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:41,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:41,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:41,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750869492] [2021-12-17 15:09:41,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:41,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:41,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:41,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:41,754 INFO L87 Difference]: Start difference. First operand 76 states and 97 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) [2021-12-17 15:09:41,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:41,765 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2021-12-17 15:09:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:41,772 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 [2021-12-17 15:09:41,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:41,776 INFO L225 Difference]: With dead ends: 116 [2021-12-17 15:09:41,776 INFO L226 Difference]: Without dead ends: 67 [2021-12-17 15:09:41,777 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 [2021-12-17 15:09:41,777 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 151 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 [2021-12-17 15:09:41,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:41,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-17 15:09:41,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-12-17 15:09:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-17 15:09:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2021-12-17 15:09:41,785 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2021-12-17 15:09:41,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:41,786 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2021-12-17 15:09:41,786 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) [2021-12-17 15:09:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2021-12-17 15:09:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:09:41,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:41,802 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] [2021-12-17 15:09:41,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:41,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:41,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:41,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1695410136, now seen corresponding path program 1 times [2021-12-17 15:09:41,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:41,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290920671] [2021-12-17 15:09:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:41,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:09:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:41,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:41,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290920671] [2021-12-17 15:09:41,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290920671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:41,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:41,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:41,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222723415] [2021-12-17 15:09:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:41,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:41,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:41,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:41,902 INFO L87 Difference]: Start difference. First operand 67 states and 85 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) [2021-12-17 15:09:41,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:41,954 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2021-12-17 15:09:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:09:41,957 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 [2021-12-17 15:09:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:41,958 INFO L225 Difference]: With dead ends: 126 [2021-12-17 15:09:41,958 INFO L226 Difference]: Without dead ends: 67 [2021-12-17 15:09:41,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:41,960 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:41,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 200 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:41,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-17 15:09:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-12-17 15:09:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-17 15:09:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2021-12-17 15:09:41,974 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 38 [2021-12-17 15:09:41,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:41,975 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2021-12-17 15:09:41,975 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) [2021-12-17 15:09:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-12-17 15:09:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-17 15:09:41,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:41,976 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] [2021-12-17 15:09:41,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:41,977 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:41,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:41,977 INFO L85 PathProgramCache]: Analyzing trace with hash 610140587, now seen corresponding path program 1 times [2021-12-17 15:09:41,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:41,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423712244] [2021-12-17 15:09:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:41,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:09:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-17 15:09:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423712244] [2021-12-17 15:09:42,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423712244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:42,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748991852] [2021-12-17 15:09:42,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:42,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:42,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:42,071 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,092 INFO L93 Difference]: Finished difference Result 171 states and 219 transitions. [2021-12-17 15:09:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:42,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2021-12-17 15:09:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,094 INFO L225 Difference]: With dead ends: 171 [2021-12-17 15:09:42,094 INFO L226 Difference]: Without dead ends: 112 [2021-12-17 15:09:42,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:42,109 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 52 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:42,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 150 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-12-17 15:09:42,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2021-12-17 15:09:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 94 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-17 15:09:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 138 transitions. [2021-12-17 15:09:42,127 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 138 transitions. Word has length 43 [2021-12-17 15:09:42,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,127 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 138 transitions. [2021-12-17 15:09:42,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2021-12-17 15:09:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-17 15:09:42,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,128 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] [2021-12-17 15:09:42,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:42,129 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1028234707, now seen corresponding path program 1 times [2021-12-17 15:09:42,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697917425] [2021-12-17 15:09:42,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 15:09:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-17 15:09:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:42,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697917425] [2021-12-17 15:09:42,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697917425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:42,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015557848] [2021-12-17 15:09:42,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:42,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:42,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:42,224 INFO L87 Difference]: Start difference. First operand 110 states and 138 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 15:09:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,306 INFO L93 Difference]: Finished difference Result 217 states and 276 transitions. [2021-12-17 15:09:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:42,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2021-12-17 15:09:42,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,308 INFO L225 Difference]: With dead ends: 217 [2021-12-17 15:09:42,308 INFO L226 Difference]: Without dead ends: 115 [2021-12-17 15:09:42,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:42,310 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 36 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:42,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 405 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-17 15:09:42,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2021-12-17 15:09:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.2674418604651163) internal successors, (109), 93 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-17 15:09:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2021-12-17 15:09:42,321 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 49 [2021-12-17 15:09:42,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,322 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2021-12-17 15:09:42,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 15:09:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2021-12-17 15:09:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:09:42,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,327 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] [2021-12-17 15:09:42,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:09:42,327 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2048289411, now seen corresponding path program 1 times [2021-12-17 15:09:42,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420082415] [2021-12-17 15:09:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:09:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420082415] [2021-12-17 15:09:42,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420082415] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:42,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040237327] [2021-12-17 15:09:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:42,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:42,406 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,443 INFO L93 Difference]: Finished difference Result 234 states and 298 transitions. [2021-12-17 15:09:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 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 51 [2021-12-17 15:09:42,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,445 INFO L225 Difference]: With dead ends: 234 [2021-12-17 15:09:42,445 INFO L226 Difference]: Without dead ends: 133 [2021-12-17 15:09:42,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:42,447 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:42,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 348 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-12-17 15:09:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2021-12-17 15:09:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-17 15:09:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2021-12-17 15:09:42,459 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 51 [2021-12-17 15:09:42,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,460 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2021-12-17 15:09:42,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2021-12-17 15:09:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:09:42,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,461 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] [2021-12-17 15:09:42,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:09:42,461 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1625587585, now seen corresponding path program 1 times [2021-12-17 15:09:42,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308620992] [2021-12-17 15:09:42,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:09:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308620992] [2021-12-17 15:09:42,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308620992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 15:09:42,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867942658] [2021-12-17 15:09:42,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 15:09:42,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 15:09:42,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 15:09:42,536 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,572 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2021-12-17 15:09:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 15:09:42,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 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 51 [2021-12-17 15:09:42,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,575 INFO L225 Difference]: With dead ends: 232 [2021-12-17 15:09:42,575 INFO L226 Difference]: Without dead ends: 128 [2021-12-17 15:09:42,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:42,580 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 27 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:42,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 246 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-12-17 15:09:42,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2021-12-17 15:09:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 98 states have internal predecessors, (114), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-17 15:09:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2021-12-17 15:09:42,589 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 51 [2021-12-17 15:09:42,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,589 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2021-12-17 15:09:42,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-12-17 15:09:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:09:42,590 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,590 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] [2021-12-17 15:09:42,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:09:42,590 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash 863941377, now seen corresponding path program 1 times [2021-12-17 15:09:42,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446704182] [2021-12-17 15:09:42,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:09:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446704182] [2021-12-17 15:09:42,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446704182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:42,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851604385] [2021-12-17 15:09:42,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:42,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:42,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:42,662 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-17 15:09:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:42,687 INFO L93 Difference]: Finished difference Result 266 states and 331 transitions. [2021-12-17 15:09:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:42,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 51 [2021-12-17 15:09:42,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:42,692 INFO L225 Difference]: With dead ends: 266 [2021-12-17 15:09:42,692 INFO L226 Difference]: Without dead ends: 160 [2021-12-17 15:09:42,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:42,694 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 35 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:42,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 159 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-12-17 15:09:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-12-17 15:09:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 127 states have (on average 1.2283464566929134) internal successors, (156), 135 states have internal predecessors, (156), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-17 15:09:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 194 transitions. [2021-12-17 15:09:42,726 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 194 transitions. Word has length 51 [2021-12-17 15:09:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:42,728 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 194 transitions. [2021-12-17 15:09:42,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-17 15:09:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2021-12-17 15:09:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-17 15:09:42,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:42,735 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] [2021-12-17 15:09:42,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:09:42,735 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:42,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash 159207591, now seen corresponding path program 1 times [2021-12-17 15:09:42,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:42,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715065258] [2021-12-17 15:09:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:42,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:09:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:09:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:42,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:42,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715065258] [2021-12-17 15:09:42,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715065258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:42,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:42,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:09:42,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056280058] [2021-12-17 15:09:42,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:42,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:09:42,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:42,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:09:42,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:42,876 INFO L87 Difference]: Start difference. First operand 160 states and 194 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:09:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:43,154 INFO L93 Difference]: Finished difference Result 543 states and 692 transitions. [2021-12-17 15:09:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 15:09:43,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 55 [2021-12-17 15:09:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:43,157 INFO L225 Difference]: With dead ends: 543 [2021-12-17 15:09:43,157 INFO L226 Difference]: Without dead ends: 437 [2021-12-17 15:09:43,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2021-12-17 15:09:43,158 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 318 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:43,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 528 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:43,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-12-17 15:09:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 407. [2021-12-17 15:09:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 323 states have (on average 1.2043343653250773) internal successors, (389), 344 states have internal predecessors, (389), 45 states have call successors, (45), 33 states have call predecessors, (45), 38 states have return successors, (64), 43 states have call predecessors, (64), 45 states have call successors, (64) [2021-12-17 15:09:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 498 transitions. [2021-12-17 15:09:43,179 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 498 transitions. Word has length 55 [2021-12-17 15:09:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:43,179 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 498 transitions. [2021-12-17 15:09:43,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:09:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 498 transitions. [2021-12-17 15:09:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-17 15:09:43,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:43,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:43,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:09:43,180 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:43,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:43,181 INFO L85 PathProgramCache]: Analyzing trace with hash -2045084638, now seen corresponding path program 1 times [2021-12-17 15:09:43,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:43,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057587655] [2021-12-17 15:09:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:09:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-17 15:09:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-17 15:09:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-17 15:09:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:09:43,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:43,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057587655] [2021-12-17 15:09:43,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057587655] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:43,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431911398] [2021-12-17 15:09:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:43,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:43,279 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) [2021-12-17 15:09:43,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:09:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:43,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:09:43,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:43,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:09:43,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431911398] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:43,716 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:43,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-17 15:09:43,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073212736] [2021-12-17 15:09:43,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:43,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-17 15:09:43,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:43,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-17 15:09:43,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:09:43,718 INFO L87 Difference]: Start difference. First operand 407 states and 498 transitions. Second operand has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-17 15:09:44,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:44,174 INFO L93 Difference]: Finished difference Result 645 states and 815 transitions. [2021-12-17 15:09:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-17 15:09:44,175 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 87 [2021-12-17 15:09:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:44,175 INFO L225 Difference]: With dead ends: 645 [2021-12-17 15:09:44,175 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:44,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-17 15:09:44,177 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 265 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:44,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 934 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:09:44,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:44,178 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) [2021-12-17 15:09:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:44,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2021-12-17 15:09:44,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:44,178 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:44,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-17 15:09:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:44,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:44,180 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:44,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 15:09:44,391 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 [2021-12-17 15:09:44,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2021-12-17 15:09:46,769 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 647 658) the Hoare annotation is: true [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point L651-1(lines 647 658) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point L795(lines 795 801) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point L795-2(lines 791 813) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L854 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not .cse1)) (.cse12 (= ~pumpRunning~0 0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (let ((.cse6 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse7 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse8 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and .cse6 .cse7 .cse4 .cse8 .cse9) .cse10 (and .cse6 .cse7 .cse8 .cse9 .cse11 .cse12))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse10 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse11 .cse12)) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 .cse9) .cse5)))) [2021-12-17 15:09:46,769 INFO L854 garLoopResultBuilder]: At program point L853(lines 848 855) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse1) (or .cse0 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4))) [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-17 15:09:46,769 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 788 814) no Hoare annotation was computed. [2021-12-17 15:09:46,770 INFO L854 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 .cse1 .cse2 (and .cse7 .cse8 .cse4 .cse5) .cse9) (or .cse1 (and .cse10 .cse6) (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse7 .cse10 .cse8) .cse9))) [2021-12-17 15:09:46,770 INFO L854 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse2)) (or .cse3 .cse0 .cse4 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2)) (or .cse3 .cse0 .cse4 .cse5) (or .cse0 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5))) [2021-12-17 15:09:46,770 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse3 (not .cse0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3 .cse4)) (or .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse6 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2 .cse3 .cse4)) (or .cse0 .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse7)))) [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift_isHighWaterLevel_~tmp___0~2#1| 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_isHighWaterLevel_#res#1| 0) .cse1) .cse2) (or .cse3 .cse0 .cse4 .cse2 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse1)) (or .cse3 .cse0 .cse4 .cse5) (or .cse0 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse5))) [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4))) [2021-12-17 15:09:46,771 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse6) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 (<= ~waterLevel~0 2)) .cse5))) [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L627-2(lines 623 634) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse0 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse6) (or .cse2 .cse0 .cse3 .cse1) (or .cse0 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse4 .cse5 (<= ~waterLevel~0 2)) .cse6))) [2021-12-17 15:09:46,771 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse0 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse6) (or .cse2 .cse0 .cse3 .cse1) (or .cse0 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse4 .cse5 (<= ~waterLevel~0 2)) .cse6))) [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L842-1(lines 823 847) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (= ~pumpRunning~0 0)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (let ((.cse6 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse4 .cse6 .cse7) .cse2 .cse8 (and .cse6 .cse7 .cse9))) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9) (not (= |old(~waterLevel~0)| 1)) .cse8) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 .cse7) .cse5))) [2021-12-17 15:09:46,771 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-17 15:09:46,771 INFO L854 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse1 (and .cse8 .cse3 .cse4) .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse7) (or .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse8 .cse3 .cse9) .cse10) (or .cse0 .cse1 .cse2 (and .cse3 .cse5 .cse6 .cse9) .cse10))) [2021-12-17 15:09:46,771 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2021-12-17 15:09:46,771 INFO L858 garLoopResultBuilder]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L854 garLoopResultBuilder]: At program point L864-2(lines 857 873) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2))) (or .cse2 .cse0 (and (<= 1 ~pumpRunning~0) .cse3 .cse4) .cse5 .cse1 (and .cse3 .cse4 (= ~pumpRunning~0 0)))) (or .cse2 .cse0 .cse5 .cse6) (or .cse0 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse6))) [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L854 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4))) [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L854 garLoopResultBuilder]: At program point L212(lines 207 214) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse0 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4))) [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 788 814) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse1 (and .cse8 .cse3 .cse4) .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse7) (or .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse8 .cse3 .cse9) .cse10) (or .cse0 .cse1 .cse2 (and .cse3 .cse5 .cse6 .cse9) .cse10))) [2021-12-17 15:09:46,772 INFO L854 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not .cse1)) (.cse13 (= ~pumpRunning~0 0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 2)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (let ((.cse6 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse7 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse8 (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|)) (.cse9 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (.cse10 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) .cse2 .cse14 (and .cse6 .cse7 .cse8 .cse9 .cse4 .cse10 .cse11))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse14 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse12 .cse13)) (or .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 .cse11) .cse5)))) [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L861 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 15:09:46,772 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 104 133) the Hoare annotation is: true [2021-12-17 15:09:46,772 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L861 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L861 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2021-12-17 15:09:46,773 INFO L861 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L238(lines 234 240) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~1#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse7 .cse2 .cse3))) [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~1#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse5 .cse6 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse7 .cse6 .cse2 .cse3))) [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L861 garLoopResultBuilder]: At program point L177(lines 169 179) the Hoare annotation is: true [2021-12-17 15:09:46,773 INFO L861 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~1#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:46,773 INFO L854 garLoopResultBuilder]: At program point L962(lines 957 964) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~1#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse7 .cse2 .cse3))) [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:46,773 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L854 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~1#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse5 .cse6 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse7 .cse6 .cse2 .cse3))) [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L854 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~1#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse5 .cse6 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse7 .cse6 .cse2 .cse3))) [2021-12-17 15:09:46,774 INFO L861 garLoopResultBuilder]: At program point L777(lines 716 781) the Hoare annotation is: true [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~1#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L854 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point L639-1(lines 635 646) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 635 646) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse1 (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse4 .cse6) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6))) [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2021-12-17 15:09:46,774 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 893 901) the Hoare annotation is: true [2021-12-17 15:09:46,774 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 893 901) no Hoare annotation was computed. [2021-12-17 15:09:46,776 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:46,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:46,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:46 BoogieIcfgContainer [2021-12-17 15:09:46,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:46,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:46,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:46,798 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:46,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:41" (3/4) ... [2021-12-17 15:09:46,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:46,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:46,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:46,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:46,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:46,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:46,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:46,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-17 15:09:46,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:46,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:46,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:46,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:46,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:46,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:46,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:09:46,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:09:46,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:09:46,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 == \result) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) [2021-12-17 15:09:46,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 == \result) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((((((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2))) && (((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((0 == systemActive || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((\result <= 2 && 2 <= \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (((((\result <= 2 && 2 <= \result) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0))) && (((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && \result == 1) && pumpRunning == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || !(\old(waterLevel) == 1)) || (((tmp___0 == 0 && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) && ((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) && ((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:46,841 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:46,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:46,841 INFO L158 Benchmark]: Toolchain (without parser) took 6436.51ms. Allocated memory was 121.6MB in the beginning and 230.7MB in the end (delta: 109.1MB). Free memory was 90.9MB in the beginning and 119.3MB in the end (delta: -28.4MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2021-12-17 15:09:46,842 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:46,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.92ms. Allocated memory is still 121.6MB. Free memory was 90.6MB in the beginning and 88.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:09:46,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.18ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:46,842 INFO L158 Benchmark]: Boogie Preprocessor took 31.96ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 84.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:46,842 INFO L158 Benchmark]: RCFGBuilder took 376.97ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 68.2MB in the end (delta: 16.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-17 15:09:46,842 INFO L158 Benchmark]: TraceAbstraction took 5554.45ms. Allocated memory was 121.6MB in the beginning and 230.7MB in the end (delta: 109.1MB). Free memory was 67.7MB in the beginning and 125.6MB in the end (delta: -57.9MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:46,843 INFO L158 Benchmark]: Witness Printer took 42.97ms. Allocated memory is still 230.7MB. Free memory was 125.6MB in the beginning and 119.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:46,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.92ms. Allocated memory is still 121.6MB. Free memory was 90.6MB in the beginning and 88.2MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.18ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.96ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 84.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.97ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 68.2MB in the end (delta: 16.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5554.45ms. Allocated memory was 121.6MB in the beginning and 230.7MB in the end (delta: 109.1MB). Free memory was 67.7MB in the beginning and 125.6MB in the end (delta: -57.9MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Witness Printer took 42.97ms. Allocated memory is still 230.7MB. Free memory was 125.6MB in the beginning and 119.3MB in the end (delta: 6.3MB). 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: 211]: 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 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 904 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 3227 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2222 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 844 IncrementalHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 1005 mSDtfsCounter, 844 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=407occurred in iteration=9, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 73 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 686 PreInvPairs, 799 NumberOfFragments, 2166 HoareAnnotationTreeSize, 686 FomulaSimplifications, 452 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 3399 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 1319 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 97/117 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: 857]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((0 == systemActive || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) && ((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((\result <= 2 && 2 <= \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (((((\result <= 2 && 2 <= \result) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0))) && (((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((((((\result <= 2 && 2 <= \result) && 1 < tmp) && tmp <= 2) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2))) && (((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) && ((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 == \result) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && \result == 1) && pumpRunning == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 == \result) && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((0 == systemActive || !(\old(waterLevel) == 1)) || (((tmp___0 == 0 && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:46,889 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