./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product47.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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:00:19,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:00:19,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:00:20,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:00:20,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:00:20,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:00:20,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:00:20,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:00:20,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:00:20,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:00:20,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:00:20,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:00:20,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:00:20,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:00:20,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:00:20,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:00:20,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:00:20,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:00:20,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:00:20,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:00:20,041 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:00:20,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:00:20,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:00:20,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:00:20,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:00:20,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:00:20,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:00:20,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:00:20,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:00:20,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:00:20,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:00:20,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:00:20,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:00:20,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:00:20,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:00:20,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:00:20,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:00:20,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:00:20,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:00:20,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:00:20,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:00:20,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:00:20,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:00:20,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:00:20,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:00:20,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:00:20,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:00:20,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:00:20,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:00:20,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:00:20,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:00:20,093 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:00:20,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:00:20,094 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:00:20,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:00:20,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:00:20,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:00:20,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:00:20,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:00:20,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:00:20,095 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:00:20,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:00:20,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:00:20,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:00:20,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:00:20,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:00:20,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:00:20,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:00:20,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:00:20,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:00:20,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:00:20,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:00:20,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:00:20,097 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:00:20,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:00:20,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:00:20,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2022-07-21 05:00:20,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:00:20,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:00:20,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:00:20,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:00:20,407 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:00:20,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-07-21 05:00:20,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa555aef/adaefb92628d42d0bbea40284cec51ba/FLAG532ded4bc [2022-07-21 05:00:20,884 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:00:20,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-07-21 05:00:20,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa555aef/adaefb92628d42d0bbea40284cec51ba/FLAG532ded4bc [2022-07-21 05:00:20,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa555aef/adaefb92628d42d0bbea40284cec51ba [2022-07-21 05:00:20,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:00:20,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:00:20,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:00:20,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:00:20,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:00:20,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:00:20" (1/1) ... [2022-07-21 05:00:20,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245b9f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:20, skipping insertion in model container [2022-07-21 05:00:20,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:00:20" (1/1) ... [2022-07-21 05:00:20,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:00:20,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:00:21,074 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_spec2_product47.cil.c[1605,1618] [2022-07-21 05:00:21,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:00:21,204 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:00:21,224 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_spec2_product47.cil.c[1605,1618] [2022-07-21 05:00:21,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:00:21,276 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:00:21,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21 WrapperNode [2022-07-21 05:00:21,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:00:21,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:00:21,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:00:21,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:00:21,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,328 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 249 [2022-07-21 05:00:21,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:00:21,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:00:21,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:00:21,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:00:21,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:00:21,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:00:21,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:00:21,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:00:21,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:00:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:21,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 05:00:21,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 05:00:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:00:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:00:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:00:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:00:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:00:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:00:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:00:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-21 05:00:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-21 05:00:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:00:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:00:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:00:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:00:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 05:00:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 05:00:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:00:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:00:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:00:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:00:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:00:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:00:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:00:21,495 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:00:21,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:00:21,829 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:00:21,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:00:21,834 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:00:21,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:21 BoogieIcfgContainer [2022-07-21 05:00:21,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:00:21,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:00:21,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:00:21,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:00:21,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:00:20" (1/3) ... [2022-07-21 05:00:21,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554a182a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:00:21, skipping insertion in model container [2022-07-21 05:00:21,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (2/3) ... [2022-07-21 05:00:21,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554a182a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:00:21, skipping insertion in model container [2022-07-21 05:00:21,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:21" (3/3) ... [2022-07-21 05:00:21,844 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2022-07-21 05:00:21,855 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:00:21,856 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:00:21,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:00:21,915 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@690fe488, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7685ee7e [2022-07-21 05:00:21,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:00:21,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-21 05:00:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 05:00:21,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:21,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:21,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:21,939 INFO L85 PathProgramCache]: Analyzing trace with hash -320439114, now seen corresponding path program 1 times [2022-07-21 05:00:21,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:21,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155697408] [2022-07-21 05:00:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:21,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:00:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155697408] [2022-07-21 05:00:22,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155697408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:00:22,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686972916] [2022-07-21 05:00:22,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:00:22,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:00:22,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:00:22,161 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,186 INFO L93 Difference]: Finished difference Result 195 states and 264 transitions. [2022-07-21 05:00:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:00:22,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-21 05:00:22,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,193 INFO L225 Difference]: With dead ends: 195 [2022-07-21 05:00:22,193 INFO L226 Difference]: Without dead ends: 93 [2022-07-21 05:00:22,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:00:22,197 INFO L413 NwaCegarLoop]: 129 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, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:22,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:22,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-21 05:00:22,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-21 05:00:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 05:00:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2022-07-21 05:00:22,250 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 25 [2022-07-21 05:00:22,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,250 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2022-07-21 05:00:22,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,251 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2022-07-21 05:00:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 05:00:22,253 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:22,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:00:22,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1934434610, now seen corresponding path program 1 times [2022-07-21 05:00:22,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871036400] [2022-07-21 05:00:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 05:00:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871036400] [2022-07-21 05:00:22,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871036400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:00:22,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979121270] [2022-07-21 05:00:22,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:22,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:22,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:22,358 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,372 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions. [2022-07-21 05:00:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:22,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-21 05:00:22,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,374 INFO L225 Difference]: With dead ends: 147 [2022-07-21 05:00:22,374 INFO L226 Difference]: Without dead ends: 84 [2022-07-21 05:00:22,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:22,375 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 16 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:22,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:22,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-21 05:00:22,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-21 05:00:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 05:00:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-21 05:00:22,386 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 26 [2022-07-21 05:00:22,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,387 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-21 05:00:22,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-21 05:00:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 05:00:22,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:22,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:00:22,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,391 INFO L85 PathProgramCache]: Analyzing trace with hash -172475024, now seen corresponding path program 1 times [2022-07-21 05:00:22,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739363581] [2022-07-21 05:00:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739363581] [2022-07-21 05:00:22,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739363581] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059645002] [2022-07-21 05:00:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:22,456 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,635 INFO L93 Difference]: Finished difference Result 278 states and 365 transitions. [2022-07-21 05:00:22,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 05:00:22,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-21 05:00:22,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,648 INFO L225 Difference]: With dead ends: 278 [2022-07-21 05:00:22,648 INFO L226 Difference]: Without dead ends: 202 [2022-07-21 05:00:22,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:00:22,657 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 288 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:22,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 468 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:22,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-07-21 05:00:22,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 196. [2022-07-21 05:00:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 161 states have internal predecessors, (194), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 23 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-21 05:00:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2022-07-21 05:00:22,680 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 30 [2022-07-21 05:00:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,682 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2022-07-21 05:00:22,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2022-07-21 05:00:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-21 05:00:22,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:22,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:00:22,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1019876102, now seen corresponding path program 1 times [2022-07-21 05:00:22,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094793257] [2022-07-21 05:00:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094793257] [2022-07-21 05:00:22,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094793257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:22,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438456238] [2022-07-21 05:00:22,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:22,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:22,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:22,772 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,852 INFO L93 Difference]: Finished difference Result 570 states and 759 transitions. [2022-07-21 05:00:22,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:22,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-21 05:00:22,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,855 INFO L225 Difference]: With dead ends: 570 [2022-07-21 05:00:22,855 INFO L226 Difference]: Without dead ends: 382 [2022-07-21 05:00:22,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 05:00:22,857 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 76 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:22,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 532 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-07-21 05:00:22,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 373. [2022-07-21 05:00:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 268 states have (on average 1.335820895522388) internal successors, (358), 303 states have internal predecessors, (358), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 46 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-21 05:00:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 487 transitions. [2022-07-21 05:00:22,888 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 487 transitions. Word has length 34 [2022-07-21 05:00:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,888 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 487 transitions. [2022-07-21 05:00:22,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 487 transitions. [2022-07-21 05:00:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-21 05:00:22,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:22,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:00:22,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,891 INFO L85 PathProgramCache]: Analyzing trace with hash 292189750, now seen corresponding path program 1 times [2022-07-21 05:00:22,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862928963] [2022-07-21 05:00:22,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:00:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862928963] [2022-07-21 05:00:22,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862928963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:22,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538147876] [2022-07-21 05:00:22,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:22,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:22,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:22,962 INFO L87 Difference]: Start difference. First operand 373 states and 487 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:00:23,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:23,179 INFO L93 Difference]: Finished difference Result 924 states and 1225 transitions. [2022-07-21 05:00:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:23,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-21 05:00:23,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:23,185 INFO L225 Difference]: With dead ends: 924 [2022-07-21 05:00:23,185 INFO L226 Difference]: Without dead ends: 559 [2022-07-21 05:00:23,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-21 05:00:23,190 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 129 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:23,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 204 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:00:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-07-21 05:00:23,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 540. [2022-07-21 05:00:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 391 states have (on average 1.2710997442455243) internal successors, (497), 428 states have internal predecessors, (497), 80 states have call successors, (80), 68 states have call predecessors, (80), 68 states have return successors, (105), 74 states have call predecessors, (105), 80 states have call successors, (105) [2022-07-21 05:00:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 682 transitions. [2022-07-21 05:00:23,232 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 682 transitions. Word has length 38 [2022-07-21 05:00:23,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:23,234 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 682 transitions. [2022-07-21 05:00:23,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:00:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 682 transitions. [2022-07-21 05:00:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-21 05:00:23,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:23,237 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, 1, 1, 1, 1] [2022-07-21 05:00:23,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:00:23,237 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:23,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:23,237 INFO L85 PathProgramCache]: Analyzing trace with hash 363168403, now seen corresponding path program 1 times [2022-07-21 05:00:23,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:23,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505636985] [2022-07-21 05:00:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 05:00:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:00:23,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:23,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505636985] [2022-07-21 05:00:23,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505636985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:23,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:23,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:00:23,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971494203] [2022-07-21 05:00:23,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:23,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:23,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:23,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:23,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:23,305 INFO L87 Difference]: Start difference. First operand 540 states and 682 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-21 05:00:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:23,691 INFO L93 Difference]: Finished difference Result 1772 states and 2353 transitions. [2022-07-21 05:00:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 05:00:23,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-21 05:00:23,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:23,697 INFO L225 Difference]: With dead ends: 1772 [2022-07-21 05:00:23,697 INFO L226 Difference]: Without dead ends: 1240 [2022-07-21 05:00:23,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-07-21 05:00:23,699 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 355 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:23,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 237 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 05:00:23,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-07-21 05:00:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1058. [2022-07-21 05:00:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 783 states have (on average 1.240102171136654) internal successors, (971), 836 states have internal predecessors, (971), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2022-07-21 05:00:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1337 transitions. [2022-07-21 05:00:23,750 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1337 transitions. Word has length 60 [2022-07-21 05:00:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:23,750 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1337 transitions. [2022-07-21 05:00:23,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-21 05:00:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1337 transitions. [2022-07-21 05:00:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-21 05:00:23,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:23,753 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, 1, 1, 1, 1] [2022-07-21 05:00:23,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:00:23,753 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:23,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash 435554961, now seen corresponding path program 1 times [2022-07-21 05:00:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:23,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050640607] [2022-07-21 05:00:23,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:23,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 05:00:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:00:23,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:23,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050640607] [2022-07-21 05:00:23,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050640607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:23,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:23,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:00:23,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087854607] [2022-07-21 05:00:23,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:23,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:23,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:23,856 INFO L87 Difference]: Start difference. First operand 1058 states and 1337 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:00:24,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:24,065 INFO L93 Difference]: Finished difference Result 2174 states and 2827 transitions. [2022-07-21 05:00:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:00:24,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-21 05:00:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:24,070 INFO L225 Difference]: With dead ends: 2174 [2022-07-21 05:00:24,071 INFO L226 Difference]: Without dead ends: 1124 [2022-07-21 05:00:24,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:00:24,074 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 136 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:24,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 223 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:24,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-07-21 05:00:24,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1082. [2022-07-21 05:00:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 807 states have (on average 1.2329615861214374) internal successors, (995), 860 states have internal predecessors, (995), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2022-07-21 05:00:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1361 transitions. [2022-07-21 05:00:24,114 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1361 transitions. Word has length 60 [2022-07-21 05:00:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:24,115 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1361 transitions. [2022-07-21 05:00:24,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:00:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1361 transitions. [2022-07-21 05:00:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-21 05:00:24,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:24,117 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, 1, 1, 1, 1] [2022-07-21 05:00:24,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:00:24,117 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:24,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:24,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1137154835, now seen corresponding path program 1 times [2022-07-21 05:00:24,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:24,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304878373] [2022-07-21 05:00:24,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:24,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 05:00:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:00:24,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:24,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304878373] [2022-07-21 05:00:24,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304878373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:24,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:24,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:24,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976660767] [2022-07-21 05:00:24,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:24,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:24,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:24,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:24,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:24,164 INFO L87 Difference]: Start difference. First operand 1082 states and 1361 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:00:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:24,329 INFO L93 Difference]: Finished difference Result 1974 states and 2521 transitions. [2022-07-21 05:00:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:00:24,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-21 05:00:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:24,333 INFO L225 Difference]: With dead ends: 1974 [2022-07-21 05:00:24,333 INFO L226 Difference]: Without dead ends: 900 [2022-07-21 05:00:24,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 05:00:24,336 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 137 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:24,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 195 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2022-07-21 05:00:24,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 886. [2022-07-21 05:00:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 659 states have (on average 1.2154779969650986) internal successors, (801), 702 states have internal predecessors, (801), 120 states have call successors, (120), 100 states have call predecessors, (120), 106 states have return successors, (162), 116 states have call predecessors, (162), 120 states have call successors, (162) [2022-07-21 05:00:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1083 transitions. [2022-07-21 05:00:24,367 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1083 transitions. Word has length 60 [2022-07-21 05:00:24,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:24,367 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1083 transitions. [2022-07-21 05:00:24,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:00:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1083 transitions. [2022-07-21 05:00:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-21 05:00:24,369 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:24,370 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:24,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:00:24,370 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:24,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:24,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1046043951, now seen corresponding path program 1 times [2022-07-21 05:00:24,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:24,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839129874] [2022-07-21 05:00:24,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:24,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 05:00:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:00:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 05:00:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:00:24,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:24,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839129874] [2022-07-21 05:00:24,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839129874] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:24,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867969579] [2022-07-21 05:00:24,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:24,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:24,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:24,517 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) [2022-07-21 05:00:24,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:00:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 05:00:24,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:24,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:24,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867969579] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:24,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:24,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-21 05:00:24,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976488153] [2022-07-21 05:00:24,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:24,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:00:24,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:24,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:00:24,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-21 05:00:24,786 INFO L87 Difference]: Start difference. First operand 886 states and 1083 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 05:00:24,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:24,934 INFO L93 Difference]: Finished difference Result 1738 states and 2130 transitions. [2022-07-21 05:00:24,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:24,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2022-07-21 05:00:24,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:24,938 INFO L225 Difference]: With dead ends: 1738 [2022-07-21 05:00:24,938 INFO L226 Difference]: Without dead ends: 860 [2022-07-21 05:00:24,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-21 05:00:24,940 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 71 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:24,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1050 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:24,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-07-21 05:00:24,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 856. [2022-07-21 05:00:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 635 states have (on average 1.1984251968503936) internal successors, (761), 676 states have internal predecessors, (761), 118 states have call successors, (118), 100 states have call predecessors, (118), 102 states have return successors, (143), 112 states have call predecessors, (143), 118 states have call successors, (143) [2022-07-21 05:00:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1022 transitions. [2022-07-21 05:00:24,978 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1022 transitions. Word has length 64 [2022-07-21 05:00:24,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:24,978 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1022 transitions. [2022-07-21 05:00:24,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 05:00:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1022 transitions. [2022-07-21 05:00:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 05:00:24,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:24,980 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:24,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 05:00:25,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:25,199 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:25,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:25,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2119698815, now seen corresponding path program 1 times [2022-07-21 05:00:25,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:25,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983138202] [2022-07-21 05:00:25,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:25,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:00:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 05:00:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 05:00:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 05:00:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 05:00:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 05:00:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-21 05:00:25,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:25,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983138202] [2022-07-21 05:00:25,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983138202] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:25,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393862214] [2022-07-21 05:00:25,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:25,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:25,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:25,295 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) [2022-07-21 05:00:25,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 05:00:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 05:00:25,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 05:00:25,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:25,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393862214] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:25,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:25,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-21 05:00:25,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602868711] [2022-07-21 05:00:25,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:25,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:25,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:25,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:25,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:25,474 INFO L87 Difference]: Start difference. First operand 856 states and 1022 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 05:00:25,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:25,517 INFO L93 Difference]: Finished difference Result 1790 states and 2233 transitions. [2022-07-21 05:00:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:25,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-21 05:00:25,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:25,523 INFO L225 Difference]: With dead ends: 1790 [2022-07-21 05:00:25,523 INFO L226 Difference]: Without dead ends: 1186 [2022-07-21 05:00:25,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:25,526 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 34 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:25,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:25,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2022-07-21 05:00:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1176. [2022-07-21 05:00:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 867 states have (on average 1.2018454440599768) internal successors, (1042), 926 states have internal predecessors, (1042), 162 states have call successors, (162), 146 states have call predecessors, (162), 146 states have return successors, (236), 156 states have call predecessors, (236), 162 states have call successors, (236) [2022-07-21 05:00:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1440 transitions. [2022-07-21 05:00:25,573 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1440 transitions. Word has length 108 [2022-07-21 05:00:25,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:25,574 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1440 transitions. [2022-07-21 05:00:25,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 05:00:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1440 transitions. [2022-07-21 05:00:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 05:00:25,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:25,582 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:25,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 05:00:25,787 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,SelfDestructingSolverStorable9 [2022-07-21 05:00:25,788 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:25,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:25,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1331262979, now seen corresponding path program 1 times [2022-07-21 05:00:25,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:25,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397106210] [2022-07-21 05:00:25,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:25,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:00:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 05:00:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 05:00:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 05:00:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 05:00:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 05:00:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-21 05:00:25,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:25,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397106210] [2022-07-21 05:00:25,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397106210] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:25,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127583163] [2022-07-21 05:00:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:25,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:25,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 05:00:25,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 05:00:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:26,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 05:00:26,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 05:00:26,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:26,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127583163] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:26,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:26,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-21 05:00:26,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501328787] [2022-07-21 05:00:26,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:26,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:00:26,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:26,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:00:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-21 05:00:26,120 INFO L87 Difference]: Start difference. First operand 1176 states and 1440 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 05:00:26,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:26,221 INFO L93 Difference]: Finished difference Result 2016 states and 2496 transitions. [2022-07-21 05:00:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:26,222 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-21 05:00:26,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:26,222 INFO L225 Difference]: With dead ends: 2016 [2022-07-21 05:00:26,223 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:00:26,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-07-21 05:00:26,227 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:26,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 857 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:00:26,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:00:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:00:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:00:26,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-07-21 05:00:26,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:26,228 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:00:26,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 05:00:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:00:26,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:00:26,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:00:26,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 05:00:26,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:26,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:00:30,029 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 818 825) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-21 05:00:30,029 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2022-07-21 05:00:30,029 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 818 825) no Hoare annotation was computed. [2022-07-21 05:00:30,029 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2022-07-21 05:00:30,029 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2022-07-21 05:00:30,030 INFO L899 garLoopResultBuilder]: For program point L640-1(lines 636 647) no Hoare annotation was computed. [2022-07-21 05:00:30,030 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 636 647) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse1 (= 0 ~systemActive~0)))) [2022-07-21 05:00:30,030 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 636 647) no Hoare annotation was computed. [2022-07-21 05:00:30,030 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse9 (not .cse6))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 2 ~waterLevel~0) .cse9)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse4) (or .cse7 .cse2 .cse6 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse3 .cse2 .cse5) (or .cse1 .cse4 .cse6))))) [2022-07-21 05:00:30,030 INFO L895 garLoopResultBuilder]: At program point L787-1(lines 768 792) the Hoare annotation is: (let ((.cse11 (= 0 ~systemActive~0))) (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse12 (not .cse11))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 .cse12)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and .cse9 .cse10 .cse12)) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse5) (or .cse0 .cse7 .cse2 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse4) (or .cse9 .cse10 .cse3 .cse4 .cse11) (or .cse1 (and .cse10 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse2 .cse11))))) [2022-07-21 05:00:30,030 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2022-07-21 05:00:30,030 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 710 733) no Hoare annotation was computed. [2022-07-21 05:00:30,030 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2022-07-21 05:00:30,031 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2022-07-21 05:00:30,031 INFO L895 garLoopResultBuilder]: At program point L482-1(lines 474 502) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse13 (not .cse8)) (.cse12 (= ~pumpRunning~0 0)) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse12 .cse11)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and .cse11 .cse1 .cse13)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse7 .cse2 .cse8 .cse9 (and .cse10 .cse11)) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse12 .cse4) (or .cse0 .cse7 .cse2 .cse9) (or (and .cse10 .cse12 .cse13) (and .cse12 (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse13) .cse4 .cse8))))) [2022-07-21 05:00:30,031 INFO L895 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse0 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)) (or .cse0 (and .cse3 .cse4) .cse2) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (and .cse3 .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse5) (or .cse1 .cse5))) [2022-07-21 05:00:30,031 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 713 732) no Hoare annotation was computed. [2022-07-21 05:00:30,031 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2022-07-21 05:00:30,031 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2022-07-21 05:00:30,031 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2022-07-21 05:00:30,032 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-21 05:00:30,032 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2022-07-21 05:00:30,032 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 612 623) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-07-21 05:00:30,032 INFO L895 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (and .cse1 (not .cse10))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse4) (or .cse0 .cse7 .cse8 .cse2) (or (and .cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse4 (and .cse9 .cse7) .cse10) (or .cse9 .cse7 .cse8 .cse2 .cse10)))) [2022-07-21 05:00:30,032 INFO L899 garLoopResultBuilder]: For program point L480-1(line 480) no Hoare annotation was computed. [2022-07-21 05:00:30,032 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-07-21 05:00:30,032 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 710 733) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse6 .cse1 .cse7) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse7) (or .cse4 .cse8 .cse1) (or .cse9 .cse1 .cse2) (or .cse4 .cse8 .cse5) (or .cse9 .cse5 .cse2))) [2022-07-21 05:00:30,033 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-07-21 05:00:30,033 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 710 733) no Hoare annotation was computed. [2022-07-21 05:00:30,033 INFO L895 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (or .cse0 .cse2) (or .cse4 .cse1 .cse3))) [2022-07-21 05:00:30,033 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-21 05:00:30,033 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-07-21 05:00:30,033 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2022-07-21 05:00:30,033 INFO L902 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: true [2022-07-21 05:00:30,033 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 506 535) no Hoare annotation was computed. [2022-07-21 05:00:30,033 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2022-07-21 05:00:30,034 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 506 535) the Hoare annotation is: true [2022-07-21 05:00:30,034 INFO L902 garLoopResultBuilder]: At program point L531(lines 506 535) the Hoare annotation is: true [2022-07-21 05:00:30,034 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-21 05:00:30,034 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-07-21 05:00:30,034 INFO L902 garLoopResultBuilder]: At program point L520-1(lines 520 524) the Hoare annotation is: true [2022-07-21 05:00:30,034 INFO L899 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2022-07-21 05:00:30,034 INFO L902 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: true [2022-07-21 05:00:30,034 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 648 656) the Hoare annotation is: true [2022-07-21 05:00:30,034 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 648 656) no Hoare annotation was computed. [2022-07-21 05:00:30,034 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 648 656) no Hoare annotation was computed. [2022-07-21 05:00:30,035 INFO L902 garLoopResultBuilder]: At program point L601(lines 582 604) the Hoare annotation is: true [2022-07-21 05:00:30,035 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:30,035 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-21 05:00:30,035 INFO L899 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2022-07-21 05:00:30,035 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:00:30,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:00:30,035 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2022-07-21 05:00:30,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:00:30,035 INFO L895 garLoopResultBuilder]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-21 05:00:30,036 INFO L902 garLoopResultBuilder]: At program point L978(lines 917 982) the Hoare annotation is: true [2022-07-21 05:00:30,036 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2022-07-21 05:00:30,036 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2022-07-21 05:00:30,036 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2022-07-21 05:00:30,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:00:30,036 INFO L895 garLoopResultBuilder]: At program point L471(lines 466 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:30,036 INFO L895 garLoopResultBuilder]: At program point L913(lines 901 915) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1))) [2022-07-21 05:00:30,036 INFO L895 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: false [2022-07-21 05:00:30,036 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2022-07-21 05:00:30,037 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2022-07-21 05:00:30,037 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2022-07-21 05:00:30,037 INFO L902 garLoopResultBuilder]: At program point L579(lines 571 581) the Hoare annotation is: true [2022-07-21 05:00:30,037 INFO L895 garLoopResultBuilder]: At program point L963-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse3 .cse2 .cse4) (and .cse1 .cse2 .cse4))) [2022-07-21 05:00:30,037 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:30,037 INFO L895 garLoopResultBuilder]: At program point L567(lines 563 569) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:30,037 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:30,037 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2022-07-21 05:00:30,037 INFO L899 garLoopResultBuilder]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2022-07-21 05:00:30,038 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2022-07-21 05:00:30,038 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 592 599) no Hoare annotation was computed. [2022-07-21 05:00:30,038 INFO L895 garLoopResultBuilder]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-21 05:00:30,038 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-21 05:00:30,038 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 624 635) no Hoare annotation was computed. [2022-07-21 05:00:30,038 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 624 635) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse2 (= 0 ~systemActive~0) .cse6) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6))) [2022-07-21 05:00:30,038 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 624 635) no Hoare annotation was computed. [2022-07-21 05:00:30,038 INFO L895 garLoopResultBuilder]: At program point L698(lines 689 702) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse11 (<= 2 ~waterLevel~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse4 .cse6 .cse10 .cse11)) (.cse0 (not .cse11)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse6 .cse10 .cse11)) (.cse5 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse0 .cse9 .cse3) (or .cse7 .cse8 (and .cse5 .cse6) .cse9 .cse3)))) [2022-07-21 05:00:30,039 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) .cse7 .cse4) (or .cse1 (and .cse5 .cse6) .cse2 .cse4) (or .cse0 .cse7 .cse3 .cse4))) [2022-07-21 05:00:30,039 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2022-07-21 05:00:30,039 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2022-07-21 05:00:30,042 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2022-07-21 05:00:30,042 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) .cse2))) [2022-07-21 05:00:30,042 INFO L895 garLoopResultBuilder]: At program point L808-2(lines 801 817) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|) .cse0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-21 05:00:30,042 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-07-21 05:00:30,043 INFO L895 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse6 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse7 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse8 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse9 (= 0 ~systemActive~0))) (and (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse2 .cse8 .cse4) .cse9)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse8) (and .cse0 .cse1 .cse3) (not (<= 1 ~methaneLevelCritical~0)) .cse9))) [2022-07-21 05:00:30,043 INFO L895 garLoopResultBuilder]: At program point L798(lines 793 800) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-07-21 05:00:30,043 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2022-07-21 05:00:30,043 INFO L899 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2022-07-21 05:00:30,043 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-07-21 05:00:30,044 INFO L899 garLoopResultBuilder]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2022-07-21 05:00:30,044 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2022-07-21 05:00:30,044 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 742 766) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-07-21 05:00:30,044 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 742 766) no Hoare annotation was computed. [2022-07-21 05:00:30,044 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 826 836) the Hoare annotation is: true [2022-07-21 05:00:30,045 INFO L902 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: true [2022-07-21 05:00:30,045 INFO L899 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2022-07-21 05:00:30,045 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 826 836) no Hoare annotation was computed. [2022-07-21 05:00:30,045 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 826 836) no Hoare annotation was computed. [2022-07-21 05:00:30,047 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:30,049 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:00:30,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:00:30 BoogieIcfgContainer [2022-07-21 05:00:30,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:00:30,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:00:30,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:00:30,070 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:00:30,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:21" (3/4) ... [2022-07-21 05:00:30,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:00:30,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:00:30,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 05:00:30,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-21 05:00:30,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:00:30,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:00:30,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:00:30,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:00:30,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:00:30,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:00:30,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-21 05:00:30,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-21 05:00:30,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-21 05:00:30,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-21 05:00:30,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-21 05:00:30,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-21 05:00:30,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-07-21 05:00:30,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-21 05:00:30,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-21 05:00:30,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-21 05:00:30,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-07-21 05:00:30,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-21 05:00:30,130 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:00:30,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:00:30,131 INFO L158 Benchmark]: Toolchain (without parser) took 9221.85ms. Allocated memory was 52.4MB in the beginning and 157.3MB in the end (delta: 104.9MB). Free memory was 28.5MB in the beginning and 59.5MB in the end (delta: -31.1MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,131 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:00:30,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.98ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.3MB in the beginning and 44.1MB in the end (delta: -15.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.53ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 41.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,132 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,133 INFO L158 Benchmark]: RCFGBuilder took 474.02ms. Allocated memory is still 69.2MB. Free memory was 39.9MB in the beginning and 39.7MB in the end (delta: 150.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,133 INFO L158 Benchmark]: TraceAbstraction took 8232.87ms. Allocated memory was 69.2MB in the beginning and 157.3MB in the end (delta: 88.1MB). Free memory was 39.2MB in the beginning and 65.8MB in the end (delta: -26.6MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,133 INFO L158 Benchmark]: Witness Printer took 60.97ms. Allocated memory is still 157.3MB. Free memory was 64.8MB in the beginning and 59.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 05:00:30,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.98ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.3MB in the beginning and 44.1MB in the end (delta: -15.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.53ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 41.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.02ms. Allocated memory is still 69.2MB. Free memory was 39.9MB in the beginning and 39.7MB in the end (delta: 150.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8232.87ms. Allocated memory was 69.2MB in the beginning and 157.3MB in the end (delta: 88.1MB). Free memory was 39.2MB in the beginning and 65.8MB in the end (delta: -26.6MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * Witness Printer took 60.97ms. Allocated memory is still 157.3MB. Free memory was 64.8MB in the beginning and 59.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1344 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1318 mSDsluCounter, 4349 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2926 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1692 IncrementalHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 1423 mSDtfsCounter, 1692 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 377 SyntacticMatches, 4 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1176occurred in iteration=10, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 286 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 3139 PreInvPairs, 3608 NumberOfFragments, 1917 HoareAnnotationTreeSize, 3139 FomulaSimplifications, 412 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 20342 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1583 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1381 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 183/191 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: 80]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || ((methaneLevelCritical == 0 && splverifierCounter == 0) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:00:30,193 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