./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product52.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_product52.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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:49,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:49,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:49,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:49,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:49,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:49,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:49,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:49,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:49,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:49,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:49,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:49,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:49,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:49,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:49,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:49,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:49,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:49,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:49,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:49,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:49,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:49,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:49,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:49,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:49,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:49,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:49,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:49,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:49,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:49,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:49,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:49,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:49,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:49,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:49,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:49,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:49,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:49,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:49,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:49,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:49,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:49,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:49,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:49,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:49,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:49,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:49,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:49,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:49,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:49,773 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:49,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:49,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:49,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:49,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:49,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:49,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:49,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:49,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:49,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:49,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:49,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:49,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:49,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:49,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:49,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:49,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:49,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:49,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:49,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:49,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2021-12-17 15:09:49,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:49,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:49,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:50,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:50,002 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:50,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-12-17 15:09:50,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ac09e09/8007577fd5a441fbad5b94249270e1e5/FLAG709adaf37 [2021-12-17 15:09:50,494 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:50,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-12-17 15:09:50,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ac09e09/8007577fd5a441fbad5b94249270e1e5/FLAG709adaf37 [2021-12-17 15:09:50,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ac09e09/8007577fd5a441fbad5b94249270e1e5 [2021-12-17 15:09:50,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:50,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:50,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:50,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:50,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:50,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a21abfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50, skipping insertion in model container [2021-12-17 15:09:50,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:50,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:50,787 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_product52.cil.c[12672,12685] [2021-12-17 15:09:50,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:50,816 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:50,874 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_product52.cil.c[12672,12685] [2021-12-17 15:09:50,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:50,909 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:50,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50 WrapperNode [2021-12-17 15:09:50,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:50,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:50,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:50,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:50,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,959 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 268 [2021-12-17 15:09:50,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:50,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:50,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:50,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:50,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:50,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:50,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:50,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:50,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:50,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (1/1) ... [2021-12-17 15:09:51,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:51,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:51,034 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 15:09:51,040 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 15:09:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:09:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:09:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:09:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:09:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:51,119 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:51,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:51,318 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:51,323 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:51,323 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:51,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:51 BoogieIcfgContainer [2021-12-17 15:09:51,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:51,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:51,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:51,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:51,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:50" (1/3) ... [2021-12-17 15:09:51,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a9c0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:51, skipping insertion in model container [2021-12-17 15:09:51,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:50" (2/3) ... [2021-12-17 15:09:51,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a9c0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:51, skipping insertion in model container [2021-12-17 15:09:51,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:51" (3/3) ... [2021-12-17 15:09:51,330 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2021-12-17 15:09:51,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:51,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:51,371 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:51,375 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 15:09:51,375 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:09:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:51,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:51,396 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 15:09:51,396 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:51,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:51,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1209028345, now seen corresponding path program 1 times [2021-12-17 15:09:51,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:51,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452284076] [2021-12-17 15:09:51,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:51,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,604 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 15:09:51,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:51,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452284076] [2021-12-17 15:09:51,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452284076] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:51,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:51,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:51,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49185146] [2021-12-17 15:09:51,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:51,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:51,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:51,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:51,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:51,641 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:51,662 INFO L93 Difference]: Finished difference Result 191 states and 258 transitions. [2021-12-17 15:09:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:51,664 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 15:09:51,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:51,670 INFO L225 Difference]: With dead ends: 191 [2021-12-17 15:09:51,670 INFO L226 Difference]: Without dead ends: 91 [2021-12-17 15:09:51,673 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 15:09:51,675 INFO L933 BasicCegarLoop]: 126 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, 126 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 15:09:51,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:51,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-17 15:09:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-12-17 15:09:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-17 15:09:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2021-12-17 15:09:51,704 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 32 [2021-12-17 15:09:51,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:51,704 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2021-12-17 15:09:51,705 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 15:09:51,705 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2021-12-17 15:09:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:09:51,707 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:51,707 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 15:09:51,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:51,707 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:51,708 INFO L85 PathProgramCache]: Analyzing trace with hash 819571873, now seen corresponding path program 1 times [2021-12-17 15:09:51,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:51,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789762322] [2021-12-17 15:09:51,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:51,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:09:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,758 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 15:09:51,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:51,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789762322] [2021-12-17 15:09:51,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789762322] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:51,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:51,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:51,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045924445] [2021-12-17 15:09:51,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:51,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:51,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:51,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:51,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:51,761 INFO L87 Difference]: Start difference. First operand 91 states and 117 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 15:09:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:51,773 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2021-12-17 15:09:51,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:51,773 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 15:09:51,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:51,775 INFO L225 Difference]: With dead ends: 142 [2021-12-17 15:09:51,775 INFO L226 Difference]: Without dead ends: 82 [2021-12-17 15:09:51,775 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 15:09:51,776 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 186 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 15:09:51,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-17 15:09:51,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-12-17 15:09:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:09:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2021-12-17 15:09:51,784 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 33 [2021-12-17 15:09:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:51,785 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2021-12-17 15:09:51,785 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 15:09:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2021-12-17 15:09:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:09:51,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:51,786 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 15:09:51,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:51,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:51,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1285533544, now seen corresponding path program 1 times [2021-12-17 15:09:51,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:51,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22847460] [2021-12-17 15:09:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:51,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:09:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,874 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 15:09:51,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:51,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22847460] [2021-12-17 15:09:51,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22847460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:51,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:51,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:51,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964055601] [2021-12-17 15:09:51,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:51,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:51,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:51,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:51,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:51,876 INFO L87 Difference]: Start difference. First operand 82 states and 105 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 15:09:51,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:51,957 INFO L93 Difference]: Finished difference Result 203 states and 264 transitions. [2021-12-17 15:09:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:51,957 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 15:09:51,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:51,959 INFO L225 Difference]: With dead ends: 203 [2021-12-17 15:09:51,959 INFO L226 Difference]: Without dead ends: 129 [2021-12-17 15:09:51,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:51,960 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:51,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 359 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:51,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-12-17 15:09:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2021-12-17 15:09:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 107 states have internal predecessors, (128), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2021-12-17 15:09:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-12-17 15:09:51,992 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 38 [2021-12-17 15:09:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:51,992 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-12-17 15:09:51,992 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 15:09:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-12-17 15:09:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:09:51,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:51,994 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:51,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:51,994 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:51,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:51,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1848173569, now seen corresponding path program 1 times [2021-12-17 15:09:51,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:51,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43101026] [2021-12-17 15:09:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:51,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-17 15:09:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,068 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 15:09:52,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:52,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43101026] [2021-12-17 15:09:52,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43101026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:52,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:52,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:52,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418723560] [2021-12-17 15:09:52,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:52,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:52,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:52,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:52,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:52,070 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:52,161 INFO L93 Difference]: Finished difference Result 292 states and 389 transitions. [2021-12-17 15:09:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:52,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-17 15:09:52,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:52,163 INFO L225 Difference]: With dead ends: 292 [2021-12-17 15:09:52,163 INFO L226 Difference]: Without dead ends: 174 [2021-12-17 15:09:52,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:52,165 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 50 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:52,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 502 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-12-17 15:09:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2021-12-17 15:09:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.272) internal successors, (159), 135 states have internal predecessors, (159), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-17 15:09:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 207 transitions. [2021-12-17 15:09:52,199 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 207 transitions. Word has length 41 [2021-12-17 15:09:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:52,200 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 207 transitions. [2021-12-17 15:09:52,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2021-12-17 15:09:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-17 15:09:52,201 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:52,201 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] [2021-12-17 15:09:52,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:52,202 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:52,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1678713476, now seen corresponding path program 1 times [2021-12-17 15:09:52,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:52,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358132824] [2021-12-17 15:09:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:52,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:09:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-17 15:09:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,293 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 15:09:52,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:52,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358132824] [2021-12-17 15:09:52,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358132824] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:52,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:52,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:52,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490854573] [2021-12-17 15:09:52,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:52,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:52,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:52,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:52,302 INFO L87 Difference]: Start difference. First operand 164 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:52,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:52,469 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2021-12-17 15:09:52,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:09:52,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-17 15:09:52,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:52,471 INFO L225 Difference]: With dead ends: 351 [2021-12-17 15:09:52,471 INFO L226 Difference]: Without dead ends: 195 [2021-12-17 15:09:52,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:09:52,473 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 66 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:52,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 412 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:52,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-12-17 15:09:52,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2021-12-17 15:09:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2602739726027397) internal successors, (184), 156 states have internal predecessors, (184), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2021-12-17 15:09:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2021-12-17 15:09:52,485 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 52 [2021-12-17 15:09:52,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:52,486 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2021-12-17 15:09:52,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2021-12-17 15:09:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-17 15:09:52,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:52,487 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 15:09:52,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:09:52,487 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1278940123, now seen corresponding path program 1 times [2021-12-17 15:09:52,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:52,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510581017] [2021-12-17 15:09:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:52,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-17 15:09:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:09:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,524 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 15:09:52,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:52,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510581017] [2021-12-17 15:09:52,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510581017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:52,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:52,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 15:09:52,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604375877] [2021-12-17 15:09:52,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:52,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 15:09:52,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:52,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 15:09:52,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 15:09:52,526 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 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 15:09:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:52,592 INFO L93 Difference]: Finished difference Result 376 states and 473 transitions. [2021-12-17 15:09:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:09:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 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 55 [2021-12-17 15:09:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:52,593 INFO L225 Difference]: With dead ends: 376 [2021-12-17 15:09:52,593 INFO L226 Difference]: Without dead ends: 194 [2021-12-17 15:09:52,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 15:09:52,595 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:52,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 285 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:52,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-17 15:09:52,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2021-12-17 15:09:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2534246575342465) internal successors, (183), 156 states have internal predecessors, (183), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2021-12-17 15:09:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2021-12-17 15:09:52,613 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 55 [2021-12-17 15:09:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:52,614 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2021-12-17 15:09:52,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 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 15:09:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2021-12-17 15:09:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-17 15:09:52,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:52,620 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] [2021-12-17 15:09:52,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:09:52,620 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:52,621 INFO L85 PathProgramCache]: Analyzing trace with hash 927310078, now seen corresponding path program 1 times [2021-12-17 15:09:52,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:52,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734889317] [2021-12-17 15:09:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:52,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:09:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-17 15:09:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,702 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 15:09:52,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:52,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734889317] [2021-12-17 15:09:52,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734889317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:52,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:52,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:52,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559627701] [2021-12-17 15:09:52,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:52,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:52,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:52,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:52,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:52,707 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:52,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:52,799 INFO L93 Difference]: Finished difference Result 382 states and 484 transitions. [2021-12-17 15:09:52,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:09:52,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-17 15:09:52,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:52,802 INFO L225 Difference]: With dead ends: 382 [2021-12-17 15:09:52,803 INFO L226 Difference]: Without dead ends: 200 [2021-12-17 15:09:52,804 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 15:09:52,809 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:52,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 322 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:52,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-12-17 15:09:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 192. [2021-12-17 15:09:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 148 states have (on average 1.25) internal successors, (185), 158 states have internal predecessors, (185), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2021-12-17 15:09:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2021-12-17 15:09:52,834 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 52 [2021-12-17 15:09:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:52,834 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2021-12-17 15:09:52,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2021-12-17 15:09:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-17 15:09:52,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:52,841 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] [2021-12-17 15:09:52,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:09:52,842 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:52,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:52,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1350011904, now seen corresponding path program 1 times [2021-12-17 15:09:52,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:52,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690708632] [2021-12-17 15:09:52,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:52,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:09:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-17 15:09:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,919 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 15:09:52,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:52,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690708632] [2021-12-17 15:09:52,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690708632] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:52,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:52,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:52,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686342281] [2021-12-17 15:09:52,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:52,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:52,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:52,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:52,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:52,921 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:53,086 INFO L93 Difference]: Finished difference Result 589 states and 754 transitions. [2021-12-17 15:09:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:09:53,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-17 15:09:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:53,090 INFO L225 Difference]: With dead ends: 589 [2021-12-17 15:09:53,090 INFO L226 Difference]: Without dead ends: 405 [2021-12-17 15:09:53,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:53,093 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 223 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:53,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 353 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:53,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-12-17 15:09:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2021-12-17 15:09:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 308 states have (on average 1.2207792207792207) internal successors, (376), 326 states have internal predecessors, (376), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (72), 51 states have call predecessors, (72), 52 states have call successors, (72) [2021-12-17 15:09:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 500 transitions. [2021-12-17 15:09:53,116 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 500 transitions. Word has length 52 [2021-12-17 15:09:53,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:53,118 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 500 transitions. [2021-12-17 15:09:53,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:09:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 500 transitions. [2021-12-17 15:09:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:09:53,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:53,120 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:53,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:09:53,120 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:53,126 INFO L85 PathProgramCache]: Analyzing trace with hash 338031322, now seen corresponding path program 1 times [2021-12-17 15:09:53,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:53,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520929086] [2021-12-17 15:09:53,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:53,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:09:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-17 15:09:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-17 15:09:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,264 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 15:09:53,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:53,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520929086] [2021-12-17 15:09:53,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520929086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:53,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:53,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 15:09:53,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21108437] [2021-12-17 15:09:53,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:53,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 15:09:53,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:53,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 15:09:53,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:09:53,266 INFO L87 Difference]: Start difference. First operand 403 states and 500 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:09:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:53,831 INFO L93 Difference]: Finished difference Result 1064 states and 1371 transitions. [2021-12-17 15:09:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-17 15:09:53,831 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2021-12-17 15:09:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:53,834 INFO L225 Difference]: With dead ends: 1064 [2021-12-17 15:09:53,835 INFO L226 Difference]: Without dead ends: 757 [2021-12-17 15:09:53,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2021-12-17 15:09:53,837 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 600 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:53,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 711 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:09:53,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2021-12-17 15:09:53,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 599. [2021-12-17 15:09:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 459 states have (on average 1.2113289760348585) internal successors, (556), 489 states have internal predecessors, (556), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2021-12-17 15:09:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 739 transitions. [2021-12-17 15:09:53,889 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 739 transitions. Word has length 56 [2021-12-17 15:09:53,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:53,890 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 739 transitions. [2021-12-17 15:09:53,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:09:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 739 transitions. [2021-12-17 15:09:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-17 15:09:53,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:53,891 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:53,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:09:53,892 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:53,892 INFO L85 PathProgramCache]: Analyzing trace with hash 836408910, now seen corresponding path program 1 times [2021-12-17 15:09:53,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:53,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595032445] [2021-12-17 15:09:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:53,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:09:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:09:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 15:09:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-17 15:09:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-17 15:09:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-17 15:09:54,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:54,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595032445] [2021-12-17 15:09:54,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595032445] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:54,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870331286] [2021-12-17 15:09:54,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:54,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:54,044 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 15:09:54,078 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 15:09:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:09:54,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:54,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-17 15:09:54,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870331286] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:54,530 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:54,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-17 15:09:54,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902484790] [2021-12-17 15:09:54,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:54,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-17 15:09:54,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:54,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-17 15:09:54,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:09:54,532 INFO L87 Difference]: Start difference. First operand 599 states and 739 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-17 15:09:55,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:55,253 INFO L93 Difference]: Finished difference Result 1300 states and 1651 transitions. [2021-12-17 15:09:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-17 15:09:55,253 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2021-12-17 15:09:55,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:55,254 INFO L225 Difference]: With dead ends: 1300 [2021-12-17 15:09:55,254 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:55,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2021-12-17 15:09:55,257 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 426 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:55,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [427 Valid, 1436 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:09:55,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:55,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:55,258 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 15:09:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:55,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2021-12-17 15:09:55,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:55,259 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:55,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-17 15:09:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:55,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:55,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:55,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:55,481 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 15:09:55,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:58,739 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 860 867) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 860 867) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 860 867) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 793 799) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 793 799) the Hoare annotation is: true [2021-12-17 15:09:58,739 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: true [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 956) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point L952-2(lines 952 956) no Hoare annotation was computed. [2021-12-17 15:09:58,739 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2021-12-17 15:09:58,740 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2021-12-17 15:09:58,740 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-12-17 15:09:58,740 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 589 600) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-17 15:09:58,740 INFO L854 garLoopResultBuilder]: At program point L527(lines 522 529) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse0 .cse2) (or .cse1 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:09:58,740 INFO L854 garLoopResultBuilder]: At program point L560-1(lines 552 580) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not .cse1)) (.cse5 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 (and .cse2 .cse3 .cse7) .cse8)) (or .cse6 (and .cse9 .cse7) .cse10 (not (= ~systemActive~0 0))) (or .cse1 (and .cse9 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse6 .cse10 (and .cse9 .cse4 .cse5)) (let ((.cse11 (<= ~waterLevel~0 2))) (or .cse1 .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse7 .cse11) (and .cse2 .cse11 .cse4 .cse5) .cse8)) (or .cse0 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|)) .cse6 .cse10)))) [2021-12-17 15:09:58,740 INFO L854 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-17 15:09:58,741 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 766 792) no Hoare annotation was computed. [2021-12-17 15:09:58,741 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-17 15:09:58,741 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2021-12-17 15:09:58,741 INFO L854 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse0 .cse3) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3))) [2021-12-17 15:09:58,741 INFO L854 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-17 15:09:58,741 INFO L854 garLoopResultBuilder]: At program point L846-1(lines 827 851) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (and .cse0 .cse2) .cse3)) (let ((.cse6 (= ~waterLevel~0 1))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse4 .cse1 (and .cse5 .cse6 .cse7) (and .cse5 .cse6 .cse2) .cse8)) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse4 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse5 .cse7 .cse9) (and .cse5 .cse9 .cse2) .cse8)) (or .cse1 .cse3 (not (= ~systemActive~0 0))))) [2021-12-17 15:09:58,742 INFO L858 garLoopResultBuilder]: For program point L780-1(lines 780 786) no Hoare annotation was computed. [2021-12-17 15:09:58,742 INFO L854 garLoopResultBuilder]: At program point L549(lines 542 551) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5) (or .cse1 (and .cse3 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:09:58,742 INFO L854 garLoopResultBuilder]: At program point L958(lines 943 961) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4))) [2021-12-17 15:09:58,742 INFO L854 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse2) (let ((.cse6 (= ~waterLevel~0 1))) (or .cse0 .cse4 .cse1 (and .cse5 .cse6 .cse7) (and .cse5 .cse6 .cse3) .cse8)) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse4 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse5 .cse7 .cse9) (and .cse5 .cse9 .cse3) .cse8)))) [2021-12-17 15:09:58,742 INFO L858 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2021-12-17 15:09:58,742 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 779) no Hoare annotation was computed. [2021-12-17 15:09:58,742 INFO L858 garLoopResultBuilder]: For program point L773-2(lines 769 791) no Hoare annotation was computed. [2021-12-17 15:09:58,743 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2021-12-17 15:09:58,743 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 848) no Hoare annotation was computed. [2021-12-17 15:09:58,743 INFO L854 garLoopResultBuilder]: At program point L662(lines 657 665) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (and .cse0 .cse2) .cse3)) (or .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse1 .cse3) (or .cse1 .cse3 (not (= ~systemActive~0 0)) .cse2) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse4 .cse5 .cse1 (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse2) .cse9)) (let ((.cse10 (<= ~waterLevel~0 2))) (or .cse5 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse6 .cse8 .cse10) (and .cse6 .cse10 .cse2) .cse9)))) [2021-12-17 15:09:58,743 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 766 792) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or .cse1 (and .cse2 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5))) [2021-12-17 15:09:58,743 INFO L858 garLoopResultBuilder]: For program point L526(line 526) no Hoare annotation was computed. [2021-12-17 15:09:58,743 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 792) no Hoare annotation was computed. [2021-12-17 15:09:58,744 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2021-12-17 15:09:58,744 INFO L854 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or .cse1 (and .cse2 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5))) [2021-12-17 15:09:58,744 INFO L858 garLoopResultBuilder]: For program point L547-1(line 547) no Hoare annotation was computed. [2021-12-17 15:09:58,744 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2021-12-17 15:09:58,744 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2021-12-17 15:09:58,744 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2021-12-17 15:09:58,744 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-12-17 15:09:58,744 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-17 15:09:58,745 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2021-12-17 15:09:58,745 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-17 15:09:58,745 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2021-12-17 15:09:58,745 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2021-12-17 15:09:58,745 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2021-12-17 15:09:58,745 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-12-17 15:09:58,745 INFO L854 garLoopResultBuilder]: At program point L539(lines 534 541) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:58,745 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:58,746 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:58,746 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:58,746 INFO L854 garLoopResultBuilder]: At program point L982(lines 977 984) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse5 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse3 .cse4))) [2021-12-17 15:09:58,746 INFO L861 garLoopResultBuilder]: At program point L755(lines 692 759) the Hoare annotation is: true [2021-12-17 15:09:58,746 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-12-17 15:09:58,746 INFO L858 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2021-12-17 15:09:58,746 INFO L854 garLoopResultBuilder]: At program point L974(lines 962 976) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (<= ~waterLevel~0 2) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:09:58,747 INFO L854 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:09:58,747 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2021-12-17 15:09:58,747 INFO L858 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2021-12-17 15:09:58,747 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:58,747 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:58,747 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-12-17 15:09:58,747 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2021-12-17 15:09:58,747 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1011 1019) 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 15:09:58,748 INFO L854 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:58,748 INFO L854 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2021-12-17 15:09:58,748 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2021-12-17 15:09:58,748 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-12-17 15:09:58,748 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2021-12-17 15:09:58,748 INFO L854 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:09:58,748 INFO L858 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2021-12-17 15:09:58,748 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2021-12-17 15:09:58,749 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:09:58,749 INFO L854 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse5 (= ~pumpRunning~0 0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:09:58,749 INFO L854 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:58,749 INFO L858 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2021-12-17 15:09:58,749 INFO L854 garLoopResultBuilder]: At program point L968(line 968) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 1 |ULTIMATE.start_main_~tmp~3#1|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:09:58,749 INFO L858 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2021-12-17 15:09:58,749 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-17 15:09:58,749 INFO L854 garLoopResultBuilder]: At program point L857(lines 852 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:09:58,750 INFO L854 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:09:58,750 INFO L858 garLoopResultBuilder]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2021-12-17 15:09:58,750 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-12-17 15:09:58,750 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 801 825) no Hoare annotation was computed. [2021-12-17 15:09:58,750 INFO L854 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:09:58,750 INFO L854 garLoopResultBuilder]: At program point L939(lines 924 942) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) .cse1 .cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse0) (not (= |old(~pumpRunning~0)| 0)))) (or .cse1 (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:09:58,750 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 817) no Hoare annotation was computed. [2021-12-17 15:09:58,750 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 822) no Hoare annotation was computed. [2021-12-17 15:09:58,751 INFO L858 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-12-17 15:09:58,751 INFO L854 garLoopResultBuilder]: At program point L675(lines 666 679) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse2) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2) .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:09:58,751 INFO L858 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2021-12-17 15:09:58,751 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2021-12-17 15:09:58,751 INFO L858 garLoopResultBuilder]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2021-12-17 15:09:58,751 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse2 (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse3 .cse1))) [2021-12-17 15:09:58,751 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 879 887) no Hoare annotation was computed. [2021-12-17 15:09:58,751 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 879 887) the Hoare annotation is: true [2021-12-17 15:09:58,752 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 879 887) no Hoare annotation was computed. [2021-12-17 15:09:58,754 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:58,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:58,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:58 BoogieIcfgContainer [2021-12-17 15:09:58,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:58,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:58,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:58,782 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:58,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:51" (3/4) ... [2021-12-17 15:09:58,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:58,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:09:58,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:58,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:58,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:58,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:58,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:09:58,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:58,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:58,794 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-17 15:09:58,794 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:58,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:58,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:58,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:58,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:58,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:09:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:09:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:09:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) || ((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) [2021-12-17 15:09:58,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:09:58,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:58,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) [2021-12-17 15:09:58,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:09:58,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-17 15:09:58,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(waterLevel) <= 2) || !(\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 15:09:58,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0 [2021-12-17 15:09:58,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) || pumpRunning == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:58,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:58,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:09:58,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:58,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(waterLevel <= 2)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:09:58,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:09:58,825 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:58,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:58,825 INFO L158 Benchmark]: Toolchain (without parser) took 8302.29ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 58.6MB in the beginning and 70.0MB in the end (delta: -11.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,825 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:58,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.44ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 58.4MB in the beginning and 84.0MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.88ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 81.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,826 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 115.3MB. Free memory was 81.6MB in the beginning and 79.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,826 INFO L158 Benchmark]: RCFGBuilder took 338.86ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 63.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,827 INFO L158 Benchmark]: TraceAbstraction took 7455.64ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 62.8MB in the beginning and 77.4MB in the end (delta: -14.6MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,827 INFO L158 Benchmark]: Witness Printer took 43.40ms. Allocated memory is still 138.4MB. Free memory was 77.4MB in the beginning and 70.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:58,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.44ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 58.4MB in the beginning and 84.0MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.88ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 81.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 115.3MB. Free memory was 81.6MB in the beginning and 79.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.86ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 63.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7455.64ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 62.8MB in the beginning and 77.4MB in the end (delta: -14.6MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Witness Printer took 43.40ms. Allocated memory is still 138.4MB. Free memory was 77.4MB in the beginning and 70.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 526]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1746 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1711 mSDsluCounter, 4692 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3356 mSDsCounter, 561 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2092 IncrementalHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 561 mSolverCounterUnsat, 1336 mSDtfsCounter, 2092 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=599occurred in iteration=9, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 190 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1362 PreInvPairs, 1662 NumberOfFragments, 1934 HoareAnnotationTreeSize, 1362 FomulaSimplifications, 1854 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11291 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 693 ConstructedInterpolants, 0 QuantifiedInterpolants, 1353 SizeOfPredicates, 3 NumberOfNonLiveVariables, 477 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) || ((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) && 1 == tmp) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(waterLevel <= 2)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 2) || !(\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: 827]: Loop Invariant Derived loop invariant: (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || (((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) || pumpRunning == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:58,876 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