./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_product48.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 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:58:43,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:58:43,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:58:43,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:58:43,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:58:43,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:58:43,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:58:43,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:58:43,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:58:43,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:58:43,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:58:43,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:58:43,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:58:43,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:58:43,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:58:43,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:58:43,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:58:43,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:58:43,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:58:43,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:58:43,396 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:58:43,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:58:43,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:58:43,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:58:43,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:58:43,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:58:43,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:58:43,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:58:43,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:58:43,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:58:43,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:58:43,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:58:43,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:58:43,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:58:43,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:58:43,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:58:43,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:58:43,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:58:43,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:58:43,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:58:43,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:58:43,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:58:43,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:58:43,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:58:43,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:58:43,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:58:43,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:58:43,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:58:43,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:58:43,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:58:43,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:58:43,442 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:58:43,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:58:43,443 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:58:43,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:58:43,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:58:43,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:58:43,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:58:43,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:58:43,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:58:43,444 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:58:43,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:58:43,445 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:58:43,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:58:43,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:58:43,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:58:43,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:58:43,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:43,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:58:43,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:58:43,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:58:43,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:58:43,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:58:43,458 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:58:43,458 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:58:43,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:58:43,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 [2022-07-13 17:58:43,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:58:43,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:58:43,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:58:43,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:58:43,658 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:58:43,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2022-07-13 17:58:43,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95954698/cc2d29d252db40e7b359b602176cf6b3/FLAGb6f3fe68c [2022-07-13 17:58:44,075 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:58:44,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2022-07-13 17:58:44,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95954698/cc2d29d252db40e7b359b602176cf6b3/FLAGb6f3fe68c [2022-07-13 17:58:44,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95954698/cc2d29d252db40e7b359b602176cf6b3 [2022-07-13 17:58:44,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:58:44,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:58:44,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:44,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:58:44,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:58:44,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b1da47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44, skipping insertion in model container [2022-07-13 17:58:44,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:58:44,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:58:44,735 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_product48.cil.c[17766,17779] [2022-07-13 17:58:44,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:44,756 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:58:44,830 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_product48.cil.c[17766,17779] [2022-07-13 17:58:44,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:44,848 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:58:44,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44 WrapperNode [2022-07-13 17:58:44,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:44,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:44,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:58:44,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:58:44,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,893 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 252 [2022-07-13 17:58:44,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:44,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:58:44,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:58:44,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:58:44,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:58:44,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:58:44,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:58:44,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:58:44,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (1/1) ... [2022-07-13 17:58:44,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:44,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:44,947 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) [2022-07-13 17:58:44,955 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 [2022-07-13 17:58:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:58:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:58:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:58:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:58:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:58:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:58:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:58:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:58:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:58:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:58:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:58:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:58:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:58:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-13 17:58:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-13 17:58:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 17:58:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 17:58:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:58:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:58:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:58:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:58:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:58:45,024 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:58:45,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:58:45,262 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:58:45,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:58:45,267 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:58:45,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:45 BoogieIcfgContainer [2022-07-13 17:58:45,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:58:45,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:58:45,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:58:45,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:58:45,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:58:44" (1/3) ... [2022-07-13 17:58:45,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:45, skipping insertion in model container [2022-07-13 17:58:45,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:44" (2/3) ... [2022-07-13 17:58:45,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:45, skipping insertion in model container [2022-07-13 17:58:45,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:45" (3/3) ... [2022-07-13 17:58:45,275 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2022-07-13 17:58:45,285 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:58:45,285 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:58:45,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:58:45,351 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@62862006, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4701e299 [2022-07-13 17:58:45,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:58:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 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) [2022-07-13 17:58:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:58:45,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:45,370 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] [2022-07-13 17:58:45,371 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:45,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1420238352, now seen corresponding path program 1 times [2022-07-13 17:58:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:45,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255834941] [2022-07-13 17:58:45,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:58:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:45,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:45,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255834941] [2022-07-13 17:58:45,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255834941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:45,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:45,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:58:45,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877435339] [2022-07-13 17:58:45,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:45,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:58:45,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:58:45,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:58:45,629 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 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) [2022-07-13 17:58:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:45,678 INFO L93 Difference]: Finished difference Result 197 states and 266 transitions. [2022-07-13 17:58:45,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:58:45,680 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 [2022-07-13 17:58:45,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:45,687 INFO L225 Difference]: With dead ends: 197 [2022-07-13 17:58:45,688 INFO L226 Difference]: Without dead ends: 94 [2022-07-13 17:58:45,691 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 [2022-07-13 17:58:45,696 INFO L413 NwaCegarLoop]: 130 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, 130 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 [2022-07-13 17:58:45,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-07-13 17:58:45,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-07-13 17:58:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 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) [2022-07-13 17:58:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 121 transitions. [2022-07-13 17:58:45,742 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 121 transitions. Word has length 25 [2022-07-13 17:58:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:45,743 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 121 transitions. [2022-07-13 17:58:45,743 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) [2022-07-13 17:58:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2022-07-13 17:58:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:58:45,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:45,746 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] [2022-07-13 17:58:45,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:58:45,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:45,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:45,748 INFO L85 PathProgramCache]: Analyzing trace with hash -193757144, now seen corresponding path program 1 times [2022-07-13 17:58:45,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:45,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089783] [2022-07-13 17:58:45,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:45,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 17:58:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:45,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:45,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089783] [2022-07-13 17:58:45,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089783] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:45,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:45,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:58:45,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659248362] [2022-07-13 17:58:45,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:45,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:45,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:45,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:45,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:45,865 INFO L87 Difference]: Start difference. First operand 94 states and 121 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) [2022-07-13 17:58:45,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:45,881 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2022-07-13 17:58:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:45,882 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 [2022-07-13 17:58:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:45,884 INFO L225 Difference]: With dead ends: 148 [2022-07-13 17:58:45,884 INFO L226 Difference]: Without dead ends: 85 [2022-07-13 17:58:45,886 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 [2022-07-13 17:58:45,888 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 194 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 [2022-07-13 17:58:45,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-07-13 17:58:45,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-07-13 17:58:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 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) [2022-07-13 17:58:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-07-13 17:58:45,896 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 26 [2022-07-13 17:58:45,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:45,896 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-07-13 17:58:45,897 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) [2022-07-13 17:58:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-07-13 17:58:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 17:58:45,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:45,900 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] [2022-07-13 17:58:45,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:58:45,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:45,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash -150671396, now seen corresponding path program 1 times [2022-07-13 17:58:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:45,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679981845] [2022-07-13 17:58:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 17:58:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:45,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:45,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679981845] [2022-07-13 17:58:45,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679981845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:45,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:45,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:58:45,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977519793] [2022-07-13 17:58:45,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:45,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:45,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:45,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:45,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:45,980 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-07-13 17:58:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:46,019 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2022-07-13 17:58:46,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:46,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2022-07-13 17:58:46,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:46,033 INFO L225 Difference]: With dead ends: 237 [2022-07-13 17:58:46,033 INFO L226 Difference]: Without dead ends: 160 [2022-07-13 17:58:46,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:46,034 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:46,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:46,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-07-13 17:58:46,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2022-07-13 17:58:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 129 states have internal predecessors, (153), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-13 17:58:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 205 transitions. [2022-07-13 17:58:46,055 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 205 transitions. Word has length 31 [2022-07-13 17:58:46,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:46,056 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 205 transitions. [2022-07-13 17:58:46,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-07-13 17:58:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2022-07-13 17:58:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-13 17:58:46,057 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:46,057 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] [2022-07-13 17:58:46,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:58:46,058 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:46,058 INFO L85 PathProgramCache]: Analyzing trace with hash 153261204, now seen corresponding path program 1 times [2022-07-13 17:58:46,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:46,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952910424] [2022-07-13 17:58:46,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:46,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:46,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:46,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952910424] [2022-07-13 17:58:46,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952910424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:46,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:46,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:46,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230674689] [2022-07-13 17:58:46,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:46,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:46,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:46,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:46,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:46,110 INFO L87 Difference]: Start difference. First operand 157 states and 205 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) [2022-07-13 17:58:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:46,213 INFO L93 Difference]: Finished difference Result 453 states and 600 transitions. [2022-07-13 17:58:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:46,213 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 [2022-07-13 17:58:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:46,218 INFO L225 Difference]: With dead ends: 453 [2022-07-13 17:58:46,218 INFO L226 Difference]: Without dead ends: 304 [2022-07-13 17:58:46,219 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 [2022-07-13 17:58:46,219 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 77 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 537 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 [2022-07-13 17:58:46,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 537 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:46,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-07-13 17:58:46,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2022-07-13 17:58:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 213 states have (on average 1.3286384976525822) internal successors, (283), 242 states have internal predecessors, (283), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 38 states have call predecessors, (54), 52 states have call successors, (54) [2022-07-13 17:58:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 389 transitions. [2022-07-13 17:58:46,252 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 389 transitions. Word has length 34 [2022-07-13 17:58:46,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:46,252 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 389 transitions. [2022-07-13 17:58:46,252 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) [2022-07-13 17:58:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2022-07-13 17:58:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 17:58:46,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:46,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:46,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:58:46,255 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:46,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:46,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1754015376, now seen corresponding path program 1 times [2022-07-13 17:58:46,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:46,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138390069] [2022-07-13 17:58:46,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:46,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:58:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:46,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:46,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138390069] [2022-07-13 17:58:46,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138390069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:46,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:46,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:46,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028021702] [2022-07-13 17:58:46,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:46,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:46,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:46,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:46,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:46,333 INFO L87 Difference]: Start difference. First operand 298 states and 389 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) [2022-07-13 17:58:46,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:46,565 INFO L93 Difference]: Finished difference Result 786 states and 1038 transitions. [2022-07-13 17:58:46,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:46,565 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 [2022-07-13 17:58:46,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:46,568 INFO L225 Difference]: With dead ends: 786 [2022-07-13 17:58:46,568 INFO L226 Difference]: Without dead ends: 496 [2022-07-13 17:58:46,569 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 [2022-07-13 17:58:46,570 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 131 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:46,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 210 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:46,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-07-13 17:58:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 482. [2022-07-13 17:58:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 349 states have (on average 1.2750716332378222) internal successors, (445), 382 states have internal predecessors, (445), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2022-07-13 17:58:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 609 transitions. [2022-07-13 17:58:46,615 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 609 transitions. Word has length 38 [2022-07-13 17:58:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:46,616 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 609 transitions. [2022-07-13 17:58:46,617 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) [2022-07-13 17:58:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 609 transitions. [2022-07-13 17:58:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-13 17:58:46,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:46,623 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] [2022-07-13 17:58:46,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:58:46,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:46,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:46,624 INFO L85 PathProgramCache]: Analyzing trace with hash 684559813, now seen corresponding path program 1 times [2022-07-13 17:58:46,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:46,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019801988] [2022-07-13 17:58:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 17:58:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:46,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:46,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019801988] [2022-07-13 17:58:46,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019801988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:46,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:46,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:58:46,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194883659] [2022-07-13 17:58:46,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:46,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:58:46,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:58:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:46,709 INFO L87 Difference]: Start difference. First operand 482 states and 609 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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) [2022-07-13 17:58:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:46,965 INFO L93 Difference]: Finished difference Result 1072 states and 1389 transitions. [2022-07-13 17:58:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:58:46,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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 61 [2022-07-13 17:58:46,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:46,969 INFO L225 Difference]: With dead ends: 1072 [2022-07-13 17:58:46,969 INFO L226 Difference]: Without dead ends: 598 [2022-07-13 17:58:46,970 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 [2022-07-13 17:58:46,971 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 136 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:46,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 229 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:46,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-07-13 17:58:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 576. [2022-07-13 17:58:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 423 states have (on average 1.2458628841607564) internal successors, (527), 456 states have internal predecessors, (527), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2022-07-13 17:58:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 719 transitions. [2022-07-13 17:58:47,003 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 719 transitions. Word has length 61 [2022-07-13 17:58:47,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:47,003 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 719 transitions. [2022-07-13 17:58:47,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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) [2022-07-13 17:58:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 719 transitions. [2022-07-13 17:58:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-13 17:58:47,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:47,005 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] [2022-07-13 17:58:47,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:58:47,006 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:47,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1386159687, now seen corresponding path program 1 times [2022-07-13 17:58:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:47,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755952152] [2022-07-13 17:58:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 17:58:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:47,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:47,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755952152] [2022-07-13 17:58:47,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755952152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:47,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:47,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:58:47,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205959083] [2022-07-13 17:58:47,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:47,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:58:47,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:47,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:58:47,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:47,076 INFO L87 Difference]: Start difference. First operand 576 states and 719 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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) [2022-07-13 17:58:47,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:47,432 INFO L93 Difference]: Finished difference Result 1186 states and 1513 transitions. [2022-07-13 17:58:47,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 17:58:47,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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 61 [2022-07-13 17:58:47,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:47,436 INFO L225 Difference]: With dead ends: 1186 [2022-07-13 17:58:47,437 INFO L226 Difference]: Without dead ends: 618 [2022-07-13 17:58:47,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-07-13 17:58:47,442 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 326 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:47,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 243 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 17:58:47,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2022-07-13 17:58:47,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 584. [2022-07-13 17:58:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 431 states have (on average 1.2412993039443156) internal successors, (535), 464 states have internal predecessors, (535), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2022-07-13 17:58:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 727 transitions. [2022-07-13 17:58:47,476 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 727 transitions. Word has length 61 [2022-07-13 17:58:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:47,477 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 727 transitions. [2022-07-13 17:58:47,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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) [2022-07-13 17:58:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 727 transitions. [2022-07-13 17:58:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-13 17:58:47,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:47,481 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] [2022-07-13 17:58:47,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:58:47,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:47,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1313773129, now seen corresponding path program 1 times [2022-07-13 17:58:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:47,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421090765] [2022-07-13 17:58:47,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:47,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 17:58:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:47,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:47,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421090765] [2022-07-13 17:58:47,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421090765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:47,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:47,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:47,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291451130] [2022-07-13 17:58:47,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:47,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:47,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:47,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:47,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:47,579 INFO L87 Difference]: Start difference. First operand 584 states and 727 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-13 17:58:47,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:47,860 INFO L93 Difference]: Finished difference Result 1652 states and 2141 transitions. [2022-07-13 17:58:47,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 17:58:47,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-07-13 17:58:47,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:47,866 INFO L225 Difference]: With dead ends: 1652 [2022-07-13 17:58:47,867 INFO L226 Difference]: Without dead ends: 1076 [2022-07-13 17:58:47,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:58:47,869 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 343 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:47,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 266 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:47,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2022-07-13 17:58:47,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1064. [2022-07-13 17:58:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 791 states have (on average 1.2174462705436158) internal successors, (963), 842 states have internal predecessors, (963), 142 states have call successors, (142), 126 states have call predecessors, (142), 130 states have return successors, (228), 140 states have call predecessors, (228), 142 states have call successors, (228) [2022-07-13 17:58:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1333 transitions. [2022-07-13 17:58:47,910 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1333 transitions. Word has length 61 [2022-07-13 17:58:47,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:47,910 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 1333 transitions. [2022-07-13 17:58:47,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-13 17:58:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1333 transitions. [2022-07-13 17:58:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-13 17:58:47,913 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:47,913 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, 1] [2022-07-13 17:58:47,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:58:47,913 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:47,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:47,913 INFO L85 PathProgramCache]: Analyzing trace with hash 205893359, now seen corresponding path program 1 times [2022-07-13 17:58:47,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:47,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323761731] [2022-07-13 17:58:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:47,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:58:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 17:58:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 17:58:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:58:48,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:48,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323761731] [2022-07-13 17:58:48,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323761731] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:58:48,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937911825] [2022-07-13 17:58:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:48,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:48,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:48,059 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) [2022-07-13 17:58:48,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:58:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 17:58:48,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:58:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:48,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:58:48,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937911825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:48,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:58:48,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2022-07-13 17:58:48,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791615673] [2022-07-13 17:58:48,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:48,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:58:48,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:48,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:58:48,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-07-13 17:58:48,351 INFO L87 Difference]: Start difference. First operand 1064 states and 1333 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 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) [2022-07-13 17:58:48,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:48,485 INFO L93 Difference]: Finished difference Result 2076 states and 2612 transitions. [2022-07-13 17:58:48,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:48,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 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 65 [2022-07-13 17:58:48,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:48,490 INFO L225 Difference]: With dead ends: 2076 [2022-07-13 17:58:48,490 INFO L226 Difference]: Without dead ends: 1020 [2022-07-13 17:58:48,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-07-13 17:58:48,493 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 71 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:48,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 914 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2022-07-13 17:58:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1016. [2022-07-13 17:58:48,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 753 states have (on average 1.201859229747676) internal successors, (905), 802 states have internal predecessors, (905), 138 states have call successors, (138), 122 states have call predecessors, (138), 124 states have return successors, (200), 134 states have call predecessors, (200), 138 states have call successors, (200) [2022-07-13 17:58:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1243 transitions. [2022-07-13 17:58:48,537 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1243 transitions. Word has length 65 [2022-07-13 17:58:48,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:48,537 INFO L495 AbstractCegarLoop]: Abstraction has 1016 states and 1243 transitions. [2022-07-13 17:58:48,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 6 states have internal predecessors, (52), 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) [2022-07-13 17:58:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1243 transitions. [2022-07-13 17:58:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-13 17:58:48,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:48,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2022-07-13 17:58:48,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-13 17:58:48,754 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 [2022-07-13 17:58:48,755 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:48,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:48,755 INFO L85 PathProgramCache]: Analyzing trace with hash -801185411, now seen corresponding path program 1 times [2022-07-13 17:58:48,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:48,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586440453] [2022-07-13 17:58:48,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:58:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 17:58:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 17:58:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 17:58:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-13 17:58:48,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:48,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586440453] [2022-07-13 17:58:48,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586440453] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:48,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:48,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 17:58:48,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524778554] [2022-07-13 17:58:48,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:48,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:58:48,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:48,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:58:48,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:58:48,854 INFO L87 Difference]: Start difference. First operand 1016 states and 1243 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-07-13 17:58:49,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:49,160 INFO L93 Difference]: Finished difference Result 1843 states and 2262 transitions. [2022-07-13 17:58:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 17:58:49,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 92 [2022-07-13 17:58:49,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:49,164 INFO L225 Difference]: With dead ends: 1843 [2022-07-13 17:58:49,164 INFO L226 Difference]: Without dead ends: 835 [2022-07-13 17:58:49,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-07-13 17:58:49,168 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 407 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:49,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 280 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:49,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-07-13 17:58:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 803. [2022-07-13 17:58:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 597 states have (on average 1.185929648241206) internal successors, (708), 643 states have internal predecessors, (708), 109 states have call successors, (109), 86 states have call predecessors, (109), 96 states have return successors, (158), 107 states have call predecessors, (158), 109 states have call successors, (158) [2022-07-13 17:58:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 975 transitions. [2022-07-13 17:58:49,205 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 975 transitions. Word has length 92 [2022-07-13 17:58:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:49,205 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 975 transitions. [2022-07-13 17:58:49,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-07-13 17:58:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 975 transitions. [2022-07-13 17:58:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 17:58:49,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:49,208 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, 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] [2022-07-13 17:58:49,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:58:49,208 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:49,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1582774687, now seen corresponding path program 1 times [2022-07-13 17:58:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:49,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596710743] [2022-07-13 17:58:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:49,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 17:58:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:58:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 17:58:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 17:58:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 17:58:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:58:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 17:58:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:58:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-13 17:58:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 17:58:49,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:49,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596710743] [2022-07-13 17:58:49,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596710743] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:58:49,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385980634] [2022-07-13 17:58:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:49,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:49,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:49,370 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) [2022-07-13 17:58:49,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 17:58:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:49,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 17:58:49,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:58:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-13 17:58:49,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:58:49,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385980634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:49,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:58:49,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-07-13 17:58:49,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704260675] [2022-07-13 17:58:49,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:49,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:58:49,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:49,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:58:49,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-13 17:58:49,563 INFO L87 Difference]: Start difference. First operand 803 states and 975 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 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) [2022-07-13 17:58:49,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:49,659 INFO L93 Difference]: Finished difference Result 1389 states and 1709 transitions. [2022-07-13 17:58:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:49,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 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 110 [2022-07-13 17:58:49,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:49,660 INFO L225 Difference]: With dead ends: 1389 [2022-07-13 17:58:49,660 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:58:49,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-07-13 17:58:49,664 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:49,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1059 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:58:49,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:58:49,664 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) [2022-07-13 17:58:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:58:49,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-07-13 17:58:49,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:49,665 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:58:49,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 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) [2022-07-13 17:58:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:58:49,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:58:49,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:58:49,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 17:58:49,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-13 17:58:49,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:58:52,880 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 378 385) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse2 .cse5))) [2022-07-13 17:58:52,880 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2022-07-13 17:58:52,880 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 378 385) no Hoare annotation was computed. [2022-07-13 17:58:52,880 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2022-07-13 17:58:52,880 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2022-07-13 17:58:52,880 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse3 .cse2 .cse5 .cse4) (or .cse3 .cse1 .cse2 .cse5))) [2022-07-13 17:58:52,880 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-13 17:58:52,880 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-13 17:58:52,881 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2022-07-13 17:58:52,881 INFO L902 garLoopResultBuilder]: At program point L926(lines 901 930) the Hoare annotation is: true [2022-07-13 17:58:52,881 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 901 930) the Hoare annotation is: true [2022-07-13 17:58:52,881 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2022-07-13 17:58:52,881 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2022-07-13 17:58:52,881 INFO L902 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2022-07-13 17:58:52,881 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2022-07-13 17:58:52,881 INFO L902 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2022-07-13 17:58:52,882 INFO L902 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2022-07-13 17:58:52,882 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2022-07-13 17:58:52,882 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2022-07-13 17:58:52,882 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-07-13 17:58:52,882 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2022-07-13 17:58:52,882 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2022-07-13 17:58:52,882 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse2 .cse4) (or .cse3 .cse0 .cse1))) [2022-07-13 17:58:52,883 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 495 523) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse2) (or .cse0 (and .cse1 .cse6 .cse2) .cse7 .cse4) (or .cse1 .cse5 .cse3) (or .cse0 .cse5 .cse7 .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse5 (and .cse1 .cse6) .cse7))) [2022-07-13 17:58:52,883 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse3 .cse5 .cse4) (or .cse3 .cse1 .cse5) (or .cse3 .cse1 .cse2) (or .cse1 .cse5 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~2#1|))))) [2022-07-13 17:58:52,883 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-07-13 17:58:52,883 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2022-07-13 17:58:52,883 INFO L895 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse4) (or .cse0 .cse3))) [2022-07-13 17:58:52,883 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-07-13 17:58:52,884 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2))) [2022-07-13 17:58:52,884 INFO L895 garLoopResultBuilder]: At program point L347-1(lines 328 352) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse6 .cse1 .cse7) (or .cse0 .cse2 .cse8) (or .cse0 .cse7 .cse8) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse7 .cse5)))) [2022-07-13 17:58:52,884 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2022-07-13 17:58:52,884 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-13 17:58:52,884 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-07-13 17:58:52,885 INFO L895 garLoopResultBuilder]: At program point L501(line 501) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and .cse4 .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse8 .cse4 .cse10)) (.cse7 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 .cse2 .cse6 .cse7) (or .cse8 .cse1 .cse9) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse9 .cse5) (or .cse0 .cse9 .cse6 .cse7)))) [2022-07-13 17:58:52,885 INFO L899 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2022-07-13 17:58:52,885 INFO L895 garLoopResultBuilder]: At program point L402(lines 397 405) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 (and .cse2 .cse3) .cse1) (or .cse0 .cse8 .cse6) (or .cse0 .cse7 .cse1 (and .cse4 .cse5)) (or .cse7 .cse8))) [2022-07-13 17:58:52,885 INFO L899 garLoopResultBuilder]: For program point L274-1(lines 273 292) no Hoare annotation was computed. [2022-07-13 17:58:52,885 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2022-07-13 17:58:52,885 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 0) .cse7 .cse8)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse1)))) [2022-07-13 17:58:52,885 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2022-07-13 17:58:52,886 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2022-07-13 17:58:52,886 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2022-07-13 17:58:52,886 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-07-13 17:58:52,886 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-07-13 17:58:52,886 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-07-13 17:58:52,886 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-07-13 17:58:52,886 INFO L895 garLoopResultBuilder]: At program point L481(lines 476 483) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-13 17:58:52,887 INFO L895 garLoopResultBuilder]: At program point L250(lines 203 252) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-07-13 17:58:52,887 INFO L895 garLoopResultBuilder]: At program point L473(lines 461 475) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-07-13 17:58:52,887 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:58:52,887 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-07-13 17:58:52,887 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-07-13 17:58:52,887 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2022-07-13 17:58:52,887 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:58:52,888 INFO L899 garLoopResultBuilder]: For program point L465-1(lines 465 471) no Hoare annotation was computed. [2022-07-13 17:58:52,888 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 209) no Hoare annotation was computed. [2022-07-13 17:58:52,888 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:58:52,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:58:52,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:58:52,888 INFO L902 garLoopResultBuilder]: At program point L970(lines 962 972) the Hoare annotation is: true [2022-07-13 17:58:52,888 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:58:52,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:58:52,889 INFO L902 garLoopResultBuilder]: At program point L256(lines 193 260) the Hoare annotation is: true [2022-07-13 17:58:52,889 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2022-07-13 17:58:52,889 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2022-07-13 17:58:52,889 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2022-07-13 17:58:52,889 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-07-13 17:58:52,889 INFO L899 garLoopResultBuilder]: For program point L983-2(lines 983 990) no Hoare annotation was computed. [2022-07-13 17:58:52,889 INFO L895 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2022-07-13 17:58:52,890 INFO L895 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:58:52,890 INFO L902 garLoopResultBuilder]: At program point L992(lines 973 995) the Hoare annotation is: true [2022-07-13 17:58:52,890 INFO L895 garLoopResultBuilder]: At program point L959(lines 955 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:58:52,890 INFO L895 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: false [2022-07-13 17:58:52,890 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2022-07-13 17:58:52,890 INFO L895 garLoopResultBuilder]: At program point L241-2(lines 233 248) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse5 .cse4 .cse2))) [2022-07-13 17:58:52,890 INFO L899 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2022-07-13 17:58:52,891 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2022-07-13 17:58:52,891 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-13 17:58:52,891 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-13 17:58:52,891 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse2))) [2022-07-13 17:58:52,891 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse2) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-13 17:58:52,891 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2022-07-13 17:58:52,891 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2022-07-13 17:58:52,892 INFO L895 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse1 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse0 .cse2 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)))) [2022-07-13 17:58:52,892 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2022-07-13 17:58:52,892 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-07-13 17:58:52,892 INFO L895 garLoopResultBuilder]: At program point L368-2(lines 361 377) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse1 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1|))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-13 17:58:52,892 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2022-07-13 17:58:52,892 INFO L895 garLoopResultBuilder]: At program point L457(lines 442 460) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse5 .cse2 .cse4) (and .cse1 .cse5 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)))))) [2022-07-13 17:58:52,892 INFO L895 garLoopResultBuilder]: At program point L358(lines 353 360) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2022-07-13 17:58:52,893 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2022-07-13 17:58:52,893 INFO L899 garLoopResultBuilder]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2022-07-13 17:58:52,893 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-13 17:58:52,893 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2022-07-13 17:58:52,893 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-13 17:58:52,893 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-07-13 17:58:52,893 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2022-07-13 17:58:52,894 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 386 396) the Hoare annotation is: true [2022-07-13 17:58:52,894 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2022-07-13 17:58:52,894 INFO L902 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2022-07-13 17:58:52,894 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 386 396) no Hoare annotation was computed. [2022-07-13 17:58:52,894 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2022-07-13 17:58:52,896 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:52,898 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:58:52,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:58:52 BoogieIcfgContainer [2022-07-13 17:58:52,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:58:52,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:58:52,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:58:52,916 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:58:52,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:45" (3/4) ... [2022-07-13 17:58:52,918 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:58:52,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:58:52,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:58:52,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-13 17:58:52,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-13 17:58:52,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:58:52,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:58:52,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:58:52,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:58:52,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:58:52,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:58:52,951 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) [2022-07-13 17:58:52,953 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel)) && (((((2 <= waterLevel && tmp == 0) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-07-13 17:58:52,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) [2022-07-13 17:58:52,981 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:58:52,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:58:52,982 INFO L158 Benchmark]: Toolchain (without parser) took 8497.88ms. Allocated memory was 86.0MB in the beginning and 195.0MB in the end (delta: 109.1MB). Free memory was 62.0MB in the beginning and 132.9MB in the end (delta: -70.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-07-13 17:58:52,982 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:58:52,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.07ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 61.7MB in the beginning and 71.3MB in the end (delta: -9.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 17:58:52,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.07ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 68.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:58:52,983 INFO L158 Benchmark]: Boogie Preprocessor took 30.30ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:58:52,983 INFO L158 Benchmark]: RCFGBuilder took 344.72ms. Allocated memory is still 111.1MB. Free memory was 67.3MB in the beginning and 50.3MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-13 17:58:52,983 INFO L158 Benchmark]: TraceAbstraction took 7645.07ms. Allocated memory was 111.1MB in the beginning and 195.0MB in the end (delta: 83.9MB). Free memory was 49.7MB in the beginning and 139.2MB in the end (delta: -89.5MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-07-13 17:58:52,984 INFO L158 Benchmark]: Witness Printer took 65.78ms. Allocated memory is still 195.0MB. Free memory was 139.2MB in the beginning and 132.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 17:58:52,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.07ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 61.7MB in the beginning and 71.3MB in the end (delta: -9.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.07ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 68.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.30ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.72ms. Allocated memory is still 111.1MB. Free memory was 67.3MB in the beginning and 50.3MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7645.07ms. Allocated memory was 111.1MB in the beginning and 195.0MB in the end (delta: 83.9MB). Free memory was 49.7MB in the beginning and 139.2MB in the end (delta: -89.5MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Witness Printer took 65.78ms. Allocated memory is still 195.0MB. Free memory was 139.2MB in the beginning and 132.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 895]: 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, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1710 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1670 mSDsluCounter, 4297 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2838 mSDsCounter, 594 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1947 IncrementalHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 594 mSolverCounterUnsat, 1459 mSDtfsCounter, 1947 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=8, InterpolantAutomatonStates: 88, 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, 127 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2614 PreInvPairs, 2937 NumberOfFragments, 1807 HoareAnnotationTreeSize, 2614 FomulaSimplifications, 1732 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 47 FomulaSimplificationsInter, 11229 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 779 NumberOfCodeBlocks, 779 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 766 ConstructedInterpolants, 0 QuantifiedInterpolants, 1459 SizeOfPredicates, 6 NumberOfNonLiveVariables, 908 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 115/130 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: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel)) && (((((2 <= waterLevel && tmp == 0) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive)) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:58:53,028 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