./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_product50.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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:39:57,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:39:57,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:39:57,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:39:57,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:39:57,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:39:57,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:39:57,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:39:57,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:39:57,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:39:57,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:39:57,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:39:57,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:39:57,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:39:57,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:39:57,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:39:57,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:39:57,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:39:57,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:39:57,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:39:57,902 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:39:57,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:39:57,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:39:57,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:39:57,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:39:57,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:39:57,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:39:57,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:39:57,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:39:57,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:39:57,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:39:57,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:39:57,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:39:57,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:39:57,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:39:57,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:39:57,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:39:57,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:39:57,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:39:57,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:39:57,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:39:57,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:39:57,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:39:57,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:39:57,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:39:57,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:39:57,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:39:57,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:39:57,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:39:57,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:39:57,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:39:57,943 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:39:57,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:39:57,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:39:57,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:39:57,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:39:57,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:39:57,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:39:57,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:39:57,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:39:57,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:39:57,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:57,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:39:57,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:39:57,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:39:57,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:39:57,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:39:57,947 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:39:57,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:39:57,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:39:57,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2022-07-22 17:39:58,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:39:58,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:39:58,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:39:58,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:39:58,201 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:39:58,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-07-22 17:39:58,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1923a4db4/f6fa7e8b5953476390128fe73864931b/FLAG1a7feb45f [2022-07-22 17:39:58,780 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:39:58,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-07-22 17:39:58,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1923a4db4/f6fa7e8b5953476390128fe73864931b/FLAG1a7feb45f [2022-07-22 17:39:59,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1923a4db4/f6fa7e8b5953476390128fe73864931b [2022-07-22 17:39:59,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:39:59,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:39:59,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:59,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:39:59,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:39:59,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277fa074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59, skipping insertion in model container [2022-07-22 17:39:59,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:39:59,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:39:59,229 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_product50.cil.c[1605,1618] [2022-07-22 17:39:59,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:59,351 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:39:59,362 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_product50.cil.c[1605,1618] [2022-07-22 17:39:59,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:59,433 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:39:59,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59 WrapperNode [2022-07-22 17:39:59,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:59,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:59,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:39:59,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:39:59,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,488 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 265 [2022-07-22 17:39:59,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:59,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:39:59,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:39:59,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:39:59,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:39:59,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:39:59,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:39:59,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:39:59,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:59,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:39:59,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:39:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:39:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:39:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:39:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:39:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:39:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:39:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:39:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:39:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:39:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-22 17:39:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-22 17:39:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:39:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:39:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:39:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:39:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:39:59,655 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:39:59,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:39:59,847 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:39:59,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:39:59,853 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:39:59,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:59 BoogieIcfgContainer [2022-07-22 17:39:59,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:39:59,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:39:59,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:39:59,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:39:59,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:39:59" (1/3) ... [2022-07-22 17:39:59,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3234158a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:59, skipping insertion in model container [2022-07-22 17:39:59,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (2/3) ... [2022-07-22 17:39:59,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3234158a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:59, skipping insertion in model container [2022-07-22 17:39:59,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:59" (3/3) ... [2022-07-22 17:39:59,862 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2022-07-22 17:39:59,871 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:39:59,871 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:39:59,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:39:59,942 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7f3741c1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@531e2167 [2022-07-22 17:39:59,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:39:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 17:39:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:39:59,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:59,955 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:39:59,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:59,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash 58300630, now seen corresponding path program 1 times [2022-07-22 17:39:59,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:59,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806145649] [2022-07-22 17:39:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:40:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:40:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806145649] [2022-07-22 17:40:00,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806145649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:40:00,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896040395] [2022-07-22 17:40:00,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:40:00,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:40:00,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:40:00,205 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-07-22 17:40:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,228 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2022-07-22 17:40:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:40:00,230 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 [2022-07-22 17:40:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,235 INFO L225 Difference]: With dead ends: 177 [2022-07-22 17:40:00,236 INFO L226 Difference]: Without dead ends: 84 [2022-07-22 17:40:00,238 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:40:00,240 INFO L413 NwaCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:00,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-22 17:40:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-22 17:40:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 17:40:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-22 17:40:00,269 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2022-07-22 17:40:00,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,269 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-22 17:40:00,269 INFO L496 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) [2022-07-22 17:40:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-22 17:40:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-22 17:40:00,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,271 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:00,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:40:00,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1182453555, now seen corresponding path program 1 times [2022-07-22 17:40:00,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275907263] [2022-07-22 17:40:00,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:40:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:40:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275907263] [2022-07-22 17:40:00,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275907263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:40:00,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264819719] [2022-07-22 17:40:00,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:40:00,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:40:00,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:40:00,345 INFO L87 Difference]: Start difference. First operand 84 states and 108 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) [2022-07-22 17:40:00,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,367 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2022-07-22 17:40:00,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:40:00,368 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 [2022-07-22 17:40:00,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,369 INFO L225 Difference]: With dead ends: 132 [2022-07-22 17:40:00,369 INFO L226 Difference]: Without dead ends: 75 [2022-07-22 17:40:00,370 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:40:00,371 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:00,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-07-22 17:40:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-07-22 17:40:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-22 17:40:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-07-22 17:40:00,378 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 33 [2022-07-22 17:40:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,378 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-07-22 17:40:00,379 INFO L496 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) [2022-07-22 17:40:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-07-22 17:40:00,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 17:40:00,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,383 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:00,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:40:00,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1082286122, now seen corresponding path program 1 times [2022-07-22 17:40:00,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004951315] [2022-07-22 17:40:00,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:40:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:40:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004951315] [2022-07-22 17:40:00,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004951315] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:40:00,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71414978] [2022-07-22 17:40:00,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:40:00,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:40:00,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:40:00,480 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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) [2022-07-22 17:40:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,497 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2022-07-22 17:40:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:40:00,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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 [2022-07-22 17:40:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,499 INFO L225 Difference]: With dead ends: 142 [2022-07-22 17:40:00,499 INFO L226 Difference]: Without dead ends: 75 [2022-07-22 17:40:00,499 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:40:00,500 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-07-22 17:40:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-07-22 17:40:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-22 17:40:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2022-07-22 17:40:00,508 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 38 [2022-07-22 17:40:00,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,509 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2022-07-22 17:40:00,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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) [2022-07-22 17:40:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2022-07-22 17:40:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 17:40:00,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,511 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:00,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:40:00,511 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,512 INFO L85 PathProgramCache]: Analyzing trace with hash 605778703, now seen corresponding path program 1 times [2022-07-22 17:40:00,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276300708] [2022-07-22 17:40:00,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:40:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:40:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:40:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276300708] [2022-07-22 17:40:00,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276300708] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:00,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431479584] [2022-07-22 17:40:00,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:00,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:00,618 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 17:40:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,738 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2022-07-22 17:40:00,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:00,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2022-07-22 17:40:00,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,740 INFO L225 Difference]: With dead ends: 221 [2022-07-22 17:40:00,740 INFO L226 Difference]: Without dead ends: 154 [2022-07-22 17:40:00,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:40:00,742 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 195 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 318 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-07-22 17:40:00,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2022-07-22 17:40:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 122 states have internal predecessors, (146), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-07-22 17:40:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2022-07-22 17:40:00,755 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 48 [2022-07-22 17:40:00,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,756 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2022-07-22 17:40:00,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 17:40:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-07-22 17:40:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:40:00,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,757 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:00,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:40:00,758 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1075912719, now seen corresponding path program 1 times [2022-07-22 17:40:00,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917487443] [2022-07-22 17:40:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:40:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:40:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:40:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917487443] [2022-07-22 17:40:00,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917487443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:40:00,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297431209] [2022-07-22 17:40:00,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:40:00,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:40:00,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:00,866 INFO L87 Difference]: Start difference. First operand 148 states and 183 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) [2022-07-22 17:40:00,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,992 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2022-07-22 17:40:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:00,993 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 [2022-07-22 17:40:00,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,995 INFO L225 Difference]: With dead ends: 296 [2022-07-22 17:40:00,995 INFO L226 Difference]: Without dead ends: 156 [2022-07-22 17:40:00,996 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:40:00,997 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 66 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 392 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:00,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-07-22 17:40:01,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2022-07-22 17:40:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-07-22 17:40:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-07-22 17:40:01,010 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 52 [2022-07-22 17:40:01,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,010 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-07-22 17:40:01,010 INFO L496 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) [2022-07-22 17:40:01,010 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-07-22 17:40:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:40:01,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,011 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:01,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:40:01,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,012 INFO L85 PathProgramCache]: Analyzing trace with hash -613031023, now seen corresponding path program 1 times [2022-07-22 17:40:01,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8098426] [2022-07-22 17:40:01,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:40:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:40:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:40:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8098426] [2022-07-22 17:40:01,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8098426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:01,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436242279] [2022-07-22 17:40:01,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:01,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:01,073 INFO L87 Difference]: Start difference. First operand 151 states and 186 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) [2022-07-22 17:40:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,157 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2022-07-22 17:40:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:40:01,158 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 [2022-07-22 17:40:01,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,159 INFO L225 Difference]: With dead ends: 304 [2022-07-22 17:40:01,159 INFO L226 Difference]: Without dead ends: 161 [2022-07-22 17:40:01,160 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:40:01,161 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 67 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 309 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-07-22 17:40:01,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-07-22 17:40:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 127 states have internal predecessors, (151), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-07-22 17:40:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 188 transitions. [2022-07-22 17:40:01,172 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 188 transitions. Word has length 52 [2022-07-22 17:40:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,173 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 188 transitions. [2022-07-22 17:40:01,180 INFO L496 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) [2022-07-22 17:40:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2022-07-22 17:40:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:40:01,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,181 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:01,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:40:01,182 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,182 INFO L85 PathProgramCache]: Analyzing trace with hash -190329197, now seen corresponding path program 1 times [2022-07-22 17:40:01,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837358733] [2022-07-22 17:40:01,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:40:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:40:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:40:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837358733] [2022-07-22 17:40:01,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837358733] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:01,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742908856] [2022-07-22 17:40:01,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:01,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:01,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:01,242 INFO L87 Difference]: Start difference. First operand 153 states and 188 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) [2022-07-22 17:40:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,426 INFO L93 Difference]: Finished difference Result 438 states and 558 transitions. [2022-07-22 17:40:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:01,427 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 [2022-07-22 17:40:01,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,431 INFO L225 Difference]: With dead ends: 438 [2022-07-22 17:40:01,434 INFO L226 Difference]: Without dead ends: 293 [2022-07-22 17:40:01,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:01,437 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 211 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 324 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-07-22 17:40:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2022-07-22 17:40:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.240909090909091) internal successors, (273), 231 states have internal predecessors, (273), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-07-22 17:40:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2022-07-22 17:40:01,469 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 52 [2022-07-22 17:40:01,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,470 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2022-07-22 17:40:01,470 INFO L496 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) [2022-07-22 17:40:01,470 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2022-07-22 17:40:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-22 17:40:01,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,471 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:01,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:40:01,471 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2088078071, now seen corresponding path program 1 times [2022-07-22 17:40:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075421496] [2022-07-22 17:40:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:40:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:40:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:40:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 17:40:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 17:40:01,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075421496] [2022-07-22 17:40:01,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075421496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:40:01,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6717414] [2022-07-22 17:40:01,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:40:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:40:01,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:01,538 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:01,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,743 INFO L93 Difference]: Finished difference Result 578 states and 733 transitions. [2022-07-22 17:40:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 17:40:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-07-22 17:40:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,745 INFO L225 Difference]: With dead ends: 578 [2022-07-22 17:40:01,745 INFO L226 Difference]: Without dead ends: 301 [2022-07-22 17:40:01,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:40:01,747 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 126 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 444 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-07-22 17:40:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 281. [2022-07-22 17:40:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 227 states have internal predecessors, (261), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-07-22 17:40:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 344 transitions. [2022-07-22 17:40:01,763 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 344 transitions. Word has length 54 [2022-07-22 17:40:01,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,763 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 344 transitions. [2022-07-22 17:40:01,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 344 transitions. [2022-07-22 17:40:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-22 17:40:01,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,765 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:01,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:40:01,765 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,765 INFO L85 PathProgramCache]: Analyzing trace with hash -312737299, now seen corresponding path program 1 times [2022-07-22 17:40:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328751755] [2022-07-22 17:40:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:40:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:40:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 17:40:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328751755] [2022-07-22 17:40:01,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328751755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:40:01,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391538904] [2022-07-22 17:40:01,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:40:01,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:40:01,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:40:01,852 INFO L87 Difference]: Start difference. First operand 281 states and 344 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), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:40:02,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:02,391 INFO L93 Difference]: Finished difference Result 833 states and 1056 transitions. [2022-07-22 17:40:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 17:40:02,392 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), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-22 17:40:02,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:02,408 INFO L225 Difference]: With dead ends: 833 [2022-07-22 17:40:02,409 INFO L226 Difference]: Without dead ends: 611 [2022-07-22 17:40:02,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2022-07-22 17:40:02,411 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 500 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:02,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 792 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 17:40:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-07-22 17:40:02,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 522. [2022-07-22 17:40:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 403 states have (on average 1.2034739454094292) internal successors, (485), 425 states have internal predecessors, (485), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2022-07-22 17:40:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 631 transitions. [2022-07-22 17:40:02,444 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 631 transitions. Word has length 56 [2022-07-22 17:40:02,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:02,444 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 631 transitions. [2022-07-22 17:40:02,444 INFO L496 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), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:40:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 631 transitions. [2022-07-22 17:40:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-22 17:40:02,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:02,446 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:40:02,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:40:02,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:02,447 INFO L85 PathProgramCache]: Analyzing trace with hash -514851068, now seen corresponding path program 1 times [2022-07-22 17:40:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:02,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603682196] [2022-07-22 17:40:02,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:40:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 17:40:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 17:40:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:40:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-22 17:40:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603682196] [2022-07-22 17:40:02,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603682196] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:02,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50656838] [2022-07-22 17:40:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:02,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:02,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:40:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:40:02,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:40:02,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:40:02,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50656838] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:02,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:02,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2022-07-22 17:40:02,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362559772] [2022-07-22 17:40:02,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 17:40:02,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 17:40:02,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-22 17:40:02,974 INFO L87 Difference]: Start difference. First operand 522 states and 631 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-22 17:40:03,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:03,812 INFO L93 Difference]: Finished difference Result 1195 states and 1490 transitions. [2022-07-22 17:40:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-07-22 17:40:03,827 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2022-07-22 17:40:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:03,830 INFO L225 Difference]: With dead ends: 1195 [2022-07-22 17:40:03,830 INFO L226 Difference]: Without dead ends: 730 [2022-07-22 17:40:03,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=471, Invalid=1881, Unknown=0, NotChecked=0, Total=2352 [2022-07-22 17:40:03,832 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 475 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:03,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1562 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 17:40:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-07-22 17:40:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 592. [2022-07-22 17:40:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 454 states have (on average 1.198237885462555) internal successors, (544), 483 states have internal predecessors, (544), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2022-07-22 17:40:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 706 transitions. [2022-07-22 17:40:03,910 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 706 transitions. Word has length 98 [2022-07-22 17:40:03,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:03,911 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 706 transitions. [2022-07-22 17:40:03,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-22 17:40:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 706 transitions. [2022-07-22 17:40:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-22 17:40:03,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:03,913 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:03,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:04,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-22 17:40:04,123 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:04,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:04,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2133918754, now seen corresponding path program 1 times [2022-07-22 17:40:04,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:04,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881290278] [2022-07-22 17:40:04,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:04,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:40:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:40:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:40:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 17:40:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-22 17:40:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-22 17:40:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-22 17:40:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-07-22 17:40:04,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:04,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881290278] [2022-07-22 17:40:04,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881290278] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:04,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072740024] [2022-07-22 17:40:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:04,310 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:04,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:40:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:04,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 17:40:04,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-22 17:40:04,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-22 17:40:04,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072740024] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:04,911 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:04,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-07-22 17:40:04,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110581704] [2022-07-22 17:40:04,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:04,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-22 17:40:04,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:04,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-22 17:40:04,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-07-22 17:40:04,913 INFO L87 Difference]: Start difference. First operand 592 states and 706 transitions. Second operand has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2022-07-22 17:40:05,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:05,645 INFO L93 Difference]: Finished difference Result 1257 states and 1548 transitions. [2022-07-22 17:40:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 17:40:05,647 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) Word has length 176 [2022-07-22 17:40:05,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:05,648 INFO L225 Difference]: With dead ends: 1257 [2022-07-22 17:40:05,648 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:40:05,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2022-07-22 17:40:05,652 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 565 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:05,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 1038 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:40:05,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:40:05,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:40:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 17:40:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:40:05,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2022-07-22 17:40:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:05,652 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:40:05,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2022-07-22 17:40:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:40:05,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:40:05,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:40:05,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-22 17:40:05,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 17:40:05,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:40:10,464 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2022-07-22 17:40:10,464 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2022-07-22 17:40:10,464 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 377 388) no Hoare annotation was computed. [2022-07-22 17:40:10,464 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 377 388) the Hoare annotation is: true [2022-07-22 17:40:10,464 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2022-07-22 17:40:10,464 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2022-07-22 17:40:10,464 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2022-07-22 17:40:10,464 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 908 937) the Hoare annotation is: true [2022-07-22 17:40:10,464 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2022-07-22 17:40:10,464 INFO L902 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2022-07-22 17:40:10,465 INFO L902 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2022-07-22 17:40:10,465 INFO L902 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2022-07-22 17:40:10,465 INFO L902 garLoopResultBuilder]: At program point L933(lines 908 937) the Hoare annotation is: true [2022-07-22 17:40:10,465 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:40:10,465 INFO L895 garLoopResultBuilder]: At program point L155-1(lines 136 160) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse15 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse11 .cse1 .cse2 .cse15 .cse14 .cse16 .cse4)) (.cse0 (not .cse14)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (and .cse13 .cse6 .cse15 .cse14 .cse16 .cse4)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4) .cse7)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 .cse5 .cse9 .cse10) (or .cse11 (and .cse1 .cse12) .cse0 .cse7 (and .cse13 (= 2 ~waterLevel~0) .cse12)) (or (and .cse6 .cse12 .cse4) .cse8 .cse0 .cse5 (and .cse11 .cse1 .cse2 .cse14 .cse12 .cse4) .cse9 .cse7 .cse10)))) [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 89 95) no Hoare annotation was computed. [2022-07-22 17:40:10,465 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse18 .cse15 .cse19 .cse2 .cse4)) (.cse11 (and .cse1 .cse13 .cse8 .cse9 .cse18 .cse15 .cse19 .cse2 .cse4)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse14 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not .cse15)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse7 (and .cse1 .cse8 .cse9 .cse2 .cse3 .cse4))) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse10 .cse11 .cse12) (let ((.cse17 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse10 (and .cse13 .cse8 .cse9 .cse14 .cse15 .cse16 .cse17 .cse4) (and .cse0 .cse14 .cse16 .cse17 .cse4) .cse11 .cse12)) (or (and .cse8 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2) .cse14 .cse18 .cse16) .cse13 .cse5 .cse7)))) [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2022-07-22 17:40:10,465 INFO L895 garLoopResultBuilder]: At program point L267(lines 252 270) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse2 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse7)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4)))) [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 75 101) no Hoare annotation was computed. [2022-07-22 17:40:10,465 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 88) no Hoare annotation was computed. [2022-07-22 17:40:10,465 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L895 garLoopResultBuilder]: At program point L174(lines 169 176) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse9 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (and .cse8 .cse1 .cse2 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse9)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 (= ~waterLevel~0 1) .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse6 .cse0 .cse4 .cse5 .cse7) (or .cse8 .cse0 .cse5)))) [2022-07-22 17:40:10,466 INFO L895 garLoopResultBuilder]: At program point L847-1(lines 839 867) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse14 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse16 (<= 1 ~pumpRunning~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse19 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse20 (<= ~waterLevel~0 1)) (.cse12 (= 1 ~systemActive~0)) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse22 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse9 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|))) (.cse2 (and .cse16 .cse11 .cse19 .cse5 .cse20 .cse12 .cse21 .cse22 .cse13)) (.cse3 (and .cse19 .cse5 .cse6 .cse14 .cse20 .cse12 .cse21 .cse22 .cse13)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not .cse12)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse0 (and .cse6 .cse7 .cse8 .cse9)) (or .cse0 .cse1 .cse10 .cse2 .cse3) (or .cse0 .cse1 (and .cse11 .cse5 .cse7 .cse12 .cse8 .cse9 .cse13) (and .cse5 .cse6 .cse14 .cse7 .cse12 .cse8 .cse9 .cse13) .cse15 .cse2 .cse3 .cse4) (let ((.cse17 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse18 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse5 .cse0 (and .cse16 .cse17 .cse18 .cse8) (and .cse6 .cse17 .cse18 .cse8) .cse10)) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse15)))) [2022-07-22 17:40:10,466 INFO L895 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse19 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse19 .cse7 .cse0 .cse16 .cse14 .cse20 .cse4)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (and .cse0 .cse12 .cse1 .cse2 .cse16 .cse14 .cse20 .cse4)) (.cse5 (not .cse14)) (.cse13 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse3 .cse4) .cse8)) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse9 .cse10 .cse11) (or (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15 .cse4) .cse5 .cse6 .cse9 (and .cse7 .cse13 .cse15 .cse4) .cse8 .cse10 .cse11) (let ((.cse17 (= 2 ~waterLevel~0)) (.cse18 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse12 .cse5 (and .cse1 .cse13 .cse16 .cse15) (and .cse1 .cse17 .cse18 .cse15) .cse8 (and .cse19 .cse17 .cse18 .cse15)))))) [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L899 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2022-07-22 17:40:10,466 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-07-22 17:40:10,466 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 75 101) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L895 garLoopResultBuilder]: At program point L836(lines 829 838) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-22 17:40:10,467 INFO L895 garLoopResultBuilder]: At program point L357-2(lines 353 364) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-07-22 17:40:10,467 INFO L895 garLoopResultBuilder]: At program point L894(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:10,467 INFO L895 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2022-07-22 17:40:10,467 INFO L902 garLoopResultBuilder]: At program point L977(lines 969 979) the Hoare annotation is: true [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:40:10,467 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L276(lines 271 278) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L338(lines 293 340) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-07-22 17:40:10,468 INFO L902 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L826(lines 821 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-22 17:40:10,468 INFO L902 garLoopResultBuilder]: At program point L344(lines 283 348) the Hoare annotation is: true [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2022-07-22 17:40:10,468 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 110 134) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point L248(lines 233 251) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point L166(lines 161 168) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L895 garLoopResultBuilder]: At program point L439(lines 430 443) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point L369-1(lines 365 376) no Hoare annotation was computed. [2022-07-22 17:40:10,469 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2022-07-22 17:40:10,470 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 365 376) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2022-07-22 17:40:10,470 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2022-07-22 17:40:10,470 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2022-07-22 17:40:10,470 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2022-07-22 17:40:10,473 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:10,474 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:40:10,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:40:10 BoogieIcfgContainer [2022-07-22 17:40:10,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:40:10,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:40:10,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:40:10,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:40:10,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:59" (3/4) ... [2022-07-22 17:40:10,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:40:10,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:40:10,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:40:10,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:40:10,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:40:10,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:40:10,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:40:10,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-22 17:40:10,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-22 17:40:10,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:40:10,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:40:10,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:40:10,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:40:10,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:40:10,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:40:10,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:40:10,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:10,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && !(2 <= tmp)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS))) && (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 <= pumpRunning && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:10,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:40:10,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:10,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result <= waterLevel && pumpRunning == 0) && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) [2022-07-22 17:40:10,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:10,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:10,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:10,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:10,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:10,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:10,540 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:40:10,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:40:10,541 INFO L158 Benchmark]: Toolchain (without parser) took 11495.12ms. Allocated memory was 88.1MB in the beginning and 199.2MB in the end (delta: 111.1MB). Free memory was 51.3MB in the beginning and 141.7MB in the end (delta: -90.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,541 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:40:10,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.11ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 57.4MB in the end (delta: -6.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.73ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 54.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,542 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 53.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,542 INFO L158 Benchmark]: RCFGBuilder took 334.70ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 65.1MB in the end (delta: -11.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,542 INFO L158 Benchmark]: TraceAbstraction took 10641.79ms. Allocated memory was 88.1MB in the beginning and 199.2MB in the end (delta: 111.1MB). Free memory was 64.7MB in the beginning and 148.0MB in the end (delta: -83.3MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,542 INFO L158 Benchmark]: Witness Printer took 42.31ms. Allocated memory is still 199.2MB. Free memory was 148.0MB in the beginning and 141.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:40:10,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.11ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 57.4MB in the end (delta: -6.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.73ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 54.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 53.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.70ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 65.1MB in the end (delta: -11.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10641.79ms. Allocated memory was 88.1MB in the beginning and 199.2MB in the end (delta: 111.1MB). Free memory was 64.7MB in the beginning and 148.0MB in the end (delta: -83.3MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * Witness Printer took 42.31ms. Allocated memory is still 199.2MB. Free memory was 148.0MB in the beginning and 141.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2345 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2304 mSDsluCounter, 5563 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4176 mSDsCounter, 686 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3492 IncrementalHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 686 mSolverCounterUnsat, 1387 mSDtfsCounter, 3492 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 838 GetRequests, 671 SyntacticMatches, 6 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=10, InterpolantAutomatonStates: 142, 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, 11 MinimizatonAttempts, 274 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1363 PreInvPairs, 1644 NumberOfFragments, 2764 HoareAnnotationTreeSize, 1363 FomulaSimplifications, 2399 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 43 FomulaSimplificationsInter, 25097 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 2401 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1163 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 644/717 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: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((((((\result <= waterLevel && pumpRunning == 0) && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && !(2 <= tmp)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS))) && (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 <= pumpRunning && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2022-07-22 17:40:10,589 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