./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_product58.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 a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:18:44,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:18:44,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:18:44,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:18:44,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:18:44,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:18:44,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:18:44,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:18:44,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:18:44,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:18:44,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:18:44,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:18:44,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:18:44,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:18:44,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:18:44,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:18:44,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:18:44,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:18:44,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:18:44,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:18:44,452 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:18:44,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:18:44,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:18:44,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:18:44,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:18:44,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:18:44,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:18:44,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:18:44,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:18:44,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:18:44,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:18:44,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:18:44,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:18:44,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:18:44,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:18:44,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:18:44,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:18:44,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:18:44,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:18:44,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:18:44,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:18:44,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:18:44,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:18:44,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:18:44,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:18:44,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:18:44,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:18:44,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:18:44,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:18:44,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:18:44,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:18:44,488 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:18:44,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:18:44,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:18:44,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:18:44,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:18:44,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:18:44,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:18:44,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:18:44,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:18:44,491 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:18:44,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:18:44,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:18:44,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:18:44,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:18:44,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:18:44,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:18:44,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:44,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:18:44,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:18:44,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:18:44,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:18:44,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:18:44,495 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:18:44,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:18:44,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:18:44,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2022-07-12 06:18:44,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:18:44,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:18:44,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:18:44,735 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:18:44,736 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:18:44,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2022-07-12 06:18:44,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fbf2f0ee/c990e05237de468c9c3b901969b9ff35/FLAG50080fc70 [2022-07-12 06:18:45,194 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:18:45,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2022-07-12 06:18:45,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fbf2f0ee/c990e05237de468c9c3b901969b9ff35/FLAG50080fc70 [2022-07-12 06:18:45,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fbf2f0ee/c990e05237de468c9c3b901969b9ff35 [2022-07-12 06:18:45,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:18:45,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:18:45,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:45,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:18:45,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:18:45,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547b4d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45, skipping insertion in model container [2022-07-12 06:18:45,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:18:45,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:18:45,499 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_product58.cil.c[19170,19183] [2022-07-12 06:18:45,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:45,511 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:18:45,579 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_product58.cil.c[19170,19183] [2022-07-12 06:18:45,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:45,602 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:18:45,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45 WrapperNode [2022-07-12 06:18:45,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:45,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:45,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:18:45,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:18:45,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,643 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 279 [2022-07-12 06:18:45,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:45,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:18:45,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:18:45,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:18:45,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:18:45,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:18:45,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:18:45,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:18:45,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (1/1) ... [2022-07-12 06:18:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:45,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:45,699 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) [2022-07-12 06:18:45,701 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 [2022-07-12 06:18:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:18:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:18:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:18:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:18:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:18:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:18:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:18:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:18:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:18:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:18:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:18:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:18:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:18:45,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:18:45,733 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:18:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:18:45,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:18:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:18:45,795 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:18:45,797 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:18:46,066 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:18:46,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:18:46,073 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:18:46,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:46 BoogieIcfgContainer [2022-07-12 06:18:46,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:18:46,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:18:46,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:18:46,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:18:46,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:18:45" (1/3) ... [2022-07-12 06:18:46,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44212f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:46, skipping insertion in model container [2022-07-12 06:18:46,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:45" (2/3) ... [2022-07-12 06:18:46,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44212f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:46, skipping insertion in model container [2022-07-12 06:18:46,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:46" (3/3) ... [2022-07-12 06:18:46,095 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2022-07-12 06:18:46,107 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:18:46,108 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:18:46,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:18:46,166 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@10c1f421, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@365499df [2022-07-12 06:18:46,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:18:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-12 06:18:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:18:46,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:46,193 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] [2022-07-12 06:18:46,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:46,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1936540556, now seen corresponding path program 1 times [2022-07-12 06:18:46,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:46,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962113513] [2022-07-12 06:18:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:46,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:18:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:46,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:46,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962113513] [2022-07-12 06:18:46,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962113513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:46,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:46,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:18:46,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149461245] [2022-07-12 06:18:46,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:46,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:18:46,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:46,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:18:46,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:46,478 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2022-07-12 06:18:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:46,533 INFO L93 Difference]: Finished difference Result 179 states and 244 transitions. [2022-07-12 06:18:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:18:46,535 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 [2022-07-12 06:18:46,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:46,548 INFO L225 Difference]: With dead ends: 179 [2022-07-12 06:18:46,549 INFO L226 Difference]: Without dead ends: 85 [2022-07-12 06:18:46,563 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 [2022-07-12 06:18:46,566 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2022-07-12 06:18:46,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-07-12 06:18:46,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-07-12 06:18:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 73 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:18:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-07-12 06:18:46,631 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-07-12 06:18:46,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:46,632 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-07-12 06:18:46,632 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) [2022-07-12 06:18:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-07-12 06:18:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:18:46,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:46,636 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] [2022-07-12 06:18:46,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:18:46,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:46,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:46,639 INFO L85 PathProgramCache]: Analyzing trace with hash -433728910, now seen corresponding path program 1 times [2022-07-12 06:18:46,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:46,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724904703] [2022-07-12 06:18:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:46,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 06:18:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:46,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:46,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724904703] [2022-07-12 06:18:46,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724904703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:46,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:46,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96590757] [2022-07-12 06:18:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:46,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:46,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:46,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:46,720 INFO L87 Difference]: Start difference. First operand 85 states and 110 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) [2022-07-12 06:18:46,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:46,734 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-07-12 06:18:46,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:46,736 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 [2022-07-12 06:18:46,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:46,738 INFO L225 Difference]: With dead ends: 134 [2022-07-12 06:18:46,739 INFO L226 Difference]: Without dead ends: 76 [2022-07-12 06:18:46,740 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 [2022-07-12 06:18:46,742 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 177 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 [2022-07-12 06:18:46,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:46,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-12 06:18:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-12 06:18:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 67 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-12 06:18:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-07-12 06:18:46,750 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-07-12 06:18:46,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:46,751 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-07-12 06:18:46,751 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) [2022-07-12 06:18:46,751 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-07-12 06:18:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-12 06:18:46,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:46,753 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] [2022-07-12 06:18:46,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:18:46,753 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:46,754 INFO L85 PathProgramCache]: Analyzing trace with hash -960870689, now seen corresponding path program 1 times [2022-07-12 06:18:46,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:46,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952691437] [2022-07-12 06:18:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:18:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:46,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:46,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952691437] [2022-07-12 06:18:46,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952691437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:46,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:46,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:18:46,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779777683] [2022-07-12 06:18:46,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:46,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:18:46,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:46,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:18:46,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:18:46,817 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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) [2022-07-12 06:18:46,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:46,882 INFO L93 Difference]: Finished difference Result 144 states and 189 transitions. [2022-07-12 06:18:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:18:46,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 [2022-07-12 06:18:46,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:46,884 INFO L225 Difference]: With dead ends: 144 [2022-07-12 06:18:46,884 INFO L226 Difference]: Without dead ends: 76 [2022-07-12 06:18:46,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:46,887 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 125 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:46,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 239 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:46,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-12 06:18:46,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-12 06:18:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-12 06:18:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-07-12 06:18:46,897 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 31 [2022-07-12 06:18:46,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:46,897 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-07-12 06:18:46,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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) [2022-07-12 06:18:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-07-12 06:18:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-12 06:18:46,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:46,900 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:46,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:18:46,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:46,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:46,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1051649323, now seen corresponding path program 1 times [2022-07-12 06:18:46,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:46,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475798397] [2022-07-12 06:18:46,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:18:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:46,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:46,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475798397] [2022-07-12 06:18:46,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475798397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:46,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:46,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82619051] [2022-07-12 06:18:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:46,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:46,963 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-07-12 06:18:47,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:47,012 INFO L93 Difference]: Finished difference Result 189 states and 247 transitions. [2022-07-12 06:18:47,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:47,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 39 [2022-07-12 06:18:47,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:47,014 INFO L225 Difference]: With dead ends: 189 [2022-07-12 06:18:47,014 INFO L226 Difference]: Without dead ends: 121 [2022-07-12 06:18:47,015 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 [2022-07-12 06:18:47,018 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 60 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:47,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 173 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:47,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-07-12 06:18:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2022-07-12 06:18:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 101 states have internal predecessors, (121), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2022-07-12 06:18:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 151 transitions. [2022-07-12 06:18:47,033 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 151 transitions. Word has length 39 [2022-07-12 06:18:47,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:47,034 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 151 transitions. [2022-07-12 06:18:47,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-07-12 06:18:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2022-07-12 06:18:47,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-12 06:18:47,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:47,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:47,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:18:47,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:47,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:47,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1776043399, now seen corresponding path program 1 times [2022-07-12 06:18:47,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:47,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511068703] [2022-07-12 06:18:47,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:47,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:18:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 06:18:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:47,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:47,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511068703] [2022-07-12 06:18:47,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511068703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:47,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:47,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:18:47,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663276793] [2022-07-12 06:18:47,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:47,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:18:47,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:47,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:18:47,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:18:47,146 INFO L87 Difference]: Start difference. First operand 119 states and 151 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:18:47,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:47,276 INFO L93 Difference]: Finished difference Result 273 states and 359 transitions. [2022-07-12 06:18:47,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:18:47,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-12 06:18:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:47,279 INFO L225 Difference]: With dead ends: 273 [2022-07-12 06:18:47,279 INFO L226 Difference]: Without dead ends: 162 [2022-07-12 06:18:47,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:18:47,285 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 92 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:47,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 298 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:47,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-12 06:18:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 145. [2022-07-12 06:18:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.2982456140350878) internal successors, (148), 122 states have internal predecessors, (148), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (22), 16 states have call predecessors, (22), 15 states have call successors, (22) [2022-07-12 06:18:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 185 transitions. [2022-07-12 06:18:47,310 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 185 transitions. Word has length 47 [2022-07-12 06:18:47,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:47,310 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 185 transitions. [2022-07-12 06:18:47,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:18:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 185 transitions. [2022-07-12 06:18:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-12 06:18:47,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:47,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:47,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:18:47,312 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:47,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1353341573, now seen corresponding path program 1 times [2022-07-12 06:18:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:47,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189754781] [2022-07-12 06:18:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:18:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 06:18:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:47,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:47,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189754781] [2022-07-12 06:18:47,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189754781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:47,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:47,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:47,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924553018] [2022-07-12 06:18:47,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:47,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:47,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:47,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:47,411 INFO L87 Difference]: Start difference. First operand 145 states and 185 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:18:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:47,682 INFO L93 Difference]: Finished difference Result 419 states and 543 transitions. [2022-07-12 06:18:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 06:18:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-12 06:18:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:47,685 INFO L225 Difference]: With dead ends: 419 [2022-07-12 06:18:47,685 INFO L226 Difference]: Without dead ends: 282 [2022-07-12 06:18:47,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:18:47,686 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 155 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:47,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 445 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:47,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-07-12 06:18:47,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 268. [2022-07-12 06:18:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 207 states have (on average 1.2608695652173914) internal successors, (261), 222 states have internal predecessors, (261), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (46), 32 states have call predecessors, (46), 30 states have call successors, (46) [2022-07-12 06:18:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 337 transitions. [2022-07-12 06:18:47,706 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 337 transitions. Word has length 47 [2022-07-12 06:18:47,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:47,706 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 337 transitions. [2022-07-12 06:18:47,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:18:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 337 transitions. [2022-07-12 06:18:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:18:47,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:47,707 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:47,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:18:47,708 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:47,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:47,708 INFO L85 PathProgramCache]: Analyzing trace with hash -767183671, now seen corresponding path program 1 times [2022-07-12 06:18:47,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:47,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510897442] [2022-07-12 06:18:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:47,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 06:18:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:47,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:47,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510897442] [2022-07-12 06:18:47,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510897442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:47,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:47,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:47,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351800090] [2022-07-12 06:18:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:47,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:47,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:47,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:47,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:47,793 INFO L87 Difference]: Start difference. First operand 268 states and 337 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 06:18:48,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:48,207 INFO L93 Difference]: Finished difference Result 540 states and 680 transitions. [2022-07-12 06:18:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 06:18:48,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2022-07-12 06:18:48,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:48,209 INFO L225 Difference]: With dead ends: 540 [2022-07-12 06:18:48,209 INFO L226 Difference]: Without dead ends: 280 [2022-07-12 06:18:48,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-07-12 06:18:48,210 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 184 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:48,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 214 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:18:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-07-12 06:18:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 266. [2022-07-12 06:18:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 205 states have (on average 1.2439024390243902) internal successors, (255), 220 states have internal predecessors, (255), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (46), 32 states have call predecessors, (46), 30 states have call successors, (46) [2022-07-12 06:18:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 331 transitions. [2022-07-12 06:18:48,240 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 331 transitions. Word has length 51 [2022-07-12 06:18:48,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:48,240 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 331 transitions. [2022-07-12 06:18:48,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-12 06:18:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 331 transitions. [2022-07-12 06:18:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-12 06:18:48,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:48,241 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] [2022-07-12 06:18:48,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:18:48,241 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:48,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1398170692, now seen corresponding path program 1 times [2022-07-12 06:18:48,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:48,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475583515] [2022-07-12 06:18:48,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:48,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 06:18:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:48,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:48,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475583515] [2022-07-12 06:18:48,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475583515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:48,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:48,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:48,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109030594] [2022-07-12 06:18:48,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:48,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:48,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:48,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:48,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:48,313 INFO L87 Difference]: Start difference. First operand 266 states and 331 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:18:48,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:48,538 INFO L93 Difference]: Finished difference Result 542 states and 695 transitions. [2022-07-12 06:18:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:18:48,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-07-12 06:18:48,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:48,540 INFO L225 Difference]: With dead ends: 542 [2022-07-12 06:18:48,540 INFO L226 Difference]: Without dead ends: 284 [2022-07-12 06:18:48,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:18:48,541 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 129 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:48,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 207 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:48,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-07-12 06:18:48,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2022-07-12 06:18:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 211 states have (on average 1.2369668246445498) internal successors, (261), 226 states have internal predecessors, (261), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (46), 32 states have call predecessors, (46), 30 states have call successors, (46) [2022-07-12 06:18:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 337 transitions. [2022-07-12 06:18:48,562 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 337 transitions. Word has length 57 [2022-07-12 06:18:48,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:48,563 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 337 transitions. [2022-07-12 06:18:48,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:18:48,563 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 337 transitions. [2022-07-12 06:18:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-12 06:18:48,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:48,580 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] [2022-07-12 06:18:48,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:18:48,580 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:48,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:48,581 INFO L85 PathProgramCache]: Analyzing trace with hash 412634824, now seen corresponding path program 1 times [2022-07-12 06:18:48,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:48,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224978989] [2022-07-12 06:18:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:48,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 06:18:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:48,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:48,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224978989] [2022-07-12 06:18:48,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224978989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:48,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:48,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:48,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162412348] [2022-07-12 06:18:48,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:48,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:48,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:48,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:48,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:48,647 INFO L87 Difference]: Start difference. First operand 272 states and 337 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:18:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:48,922 INFO L93 Difference]: Finished difference Result 770 states and 997 transitions. [2022-07-12 06:18:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 06:18:48,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2022-07-12 06:18:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:48,927 INFO L225 Difference]: With dead ends: 770 [2022-07-12 06:18:48,927 INFO L226 Difference]: Without dead ends: 506 [2022-07-12 06:18:48,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:18:48,930 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 286 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:48,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 241 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:48,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2022-07-12 06:18:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 504. [2022-07-12 06:18:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 385 states have (on average 1.2103896103896103) internal successors, (466), 408 states have internal predecessors, (466), 60 states have call successors, (60), 56 states have call predecessors, (60), 58 states have return successors, (103), 60 states have call predecessors, (103), 60 states have call successors, (103) [2022-07-12 06:18:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 629 transitions. [2022-07-12 06:18:48,962 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 629 transitions. Word has length 57 [2022-07-12 06:18:48,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:48,962 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 629 transitions. [2022-07-12 06:18:48,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:18:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 629 transitions. [2022-07-12 06:18:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-12 06:18:48,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:48,964 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] [2022-07-12 06:18:48,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:18:48,964 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:48,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:48,965 INFO L85 PathProgramCache]: Analyzing trace with hash -166866194, now seen corresponding path program 1 times [2022-07-12 06:18:48,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:48,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535325470] [2022-07-12 06:18:48,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:48,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:18:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:18:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 06:18:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:18:49,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535325470] [2022-07-12 06:18:49,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535325470] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122448877] [2022-07-12 06:18:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:49,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:49,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:49,092 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) [2022-07-12 06:18:49,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:18:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 06:18:49,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:49,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:49,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122448877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:49,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:49,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2022-07-12 06:18:49,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83440319] [2022-07-12 06:18:49,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:49,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:49,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:49,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-07-12 06:18:49,388 INFO L87 Difference]: Start difference. First operand 504 states and 629 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:18:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:49,502 INFO L93 Difference]: Finished difference Result 978 states and 1227 transitions. [2022-07-12 06:18:49,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:18:49,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2022-07-12 06:18:49,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:49,521 INFO L225 Difference]: With dead ends: 978 [2022-07-12 06:18:49,521 INFO L226 Difference]: Without dead ends: 482 [2022-07-12 06:18:49,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-12 06:18:49,523 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 67 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:49,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 673 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:49,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-07-12 06:18:49,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 480. [2022-07-12 06:18:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 366 states have (on average 1.1939890710382515) internal successors, (437), 388 states have internal predecessors, (437), 58 states have call successors, (58), 54 states have call predecessors, (58), 55 states have return successors, (89), 57 states have call predecessors, (89), 58 states have call successors, (89) [2022-07-12 06:18:49,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 584 transitions. [2022-07-12 06:18:49,558 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 584 transitions. Word has length 61 [2022-07-12 06:18:49,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:49,558 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 584 transitions. [2022-07-12 06:18:49,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:18:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 584 transitions. [2022-07-12 06:18:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-12 06:18:49,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:49,560 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2022-07-12 06:18:49,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:49,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 06:18:49,775 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1972813179, now seen corresponding path program 1 times [2022-07-12 06:18:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:49,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114201388] [2022-07-12 06:18:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:49,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:18:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 06:18:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 06:18:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 06:18:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-12 06:18:49,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:49,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114201388] [2022-07-12 06:18:49,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114201388] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:49,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955175607] [2022-07-12 06:18:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:49,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:49,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:49,868 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) [2022-07-12 06:18:49,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 06:18:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:49,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 06:18:49,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:50,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:50,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955175607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:50,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:50,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-12 06:18:50,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25670984] [2022-07-12 06:18:50,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:50,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:50,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:50,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:50,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:50,024 INFO L87 Difference]: Start difference. First operand 480 states and 584 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 06:18:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:50,076 INFO L93 Difference]: Finished difference Result 728 states and 903 transitions. [2022-07-12 06:18:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2022-07-12 06:18:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:50,080 INFO L225 Difference]: With dead ends: 728 [2022-07-12 06:18:50,081 INFO L226 Difference]: Without dead ends: 726 [2022-07-12 06:18:50,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:50,082 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 45 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:50,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:50,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-07-12 06:18:50,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 584. [2022-07-12 06:18:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 447 states have (on average 1.203579418344519) internal successors, (538), 473 states have internal predecessors, (538), 70 states have call successors, (70), 65 states have call predecessors, (70), 66 states have return successors, (115), 67 states have call predecessors, (115), 70 states have call successors, (115) [2022-07-12 06:18:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 723 transitions. [2022-07-12 06:18:50,117 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 723 transitions. Word has length 100 [2022-07-12 06:18:50,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:50,118 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 723 transitions. [2022-07-12 06:18:50,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 06:18:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 723 transitions. [2022-07-12 06:18:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-12 06:18:50,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:50,123 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:50,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 06:18:50,329 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 [2022-07-12 06:18:50,330 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:50,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:50,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1133837867, now seen corresponding path program 1 times [2022-07-12 06:18:50,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:50,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402608539] [2022-07-12 06:18:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:18:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 06:18:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 06:18:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:18:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 06:18:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 06:18:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-12 06:18:50,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:50,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402608539] [2022-07-12 06:18:50,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402608539] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:50,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550836665] [2022-07-12 06:18:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:50,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:50,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:18:50,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 06:18:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 06:18:50,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:50,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:18:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-12 06:18:51,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550836665] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:18:51,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:18:51,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 18 [2022-07-12 06:18:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830191248] [2022-07-12 06:18:51,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:18:51,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-12 06:18:51,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:51,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-12 06:18:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-07-12 06:18:51,136 INFO L87 Difference]: Start difference. First operand 584 states and 723 transitions. Second operand has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-12 06:18:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:53,133 INFO L93 Difference]: Finished difference Result 2158 states and 3302 transitions. [2022-07-12 06:18:53,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-12 06:18:53,134 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 142 [2022-07-12 06:18:53,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:53,145 INFO L225 Difference]: With dead ends: 2158 [2022-07-12 06:18:53,145 INFO L226 Difference]: Without dead ends: 1674 [2022-07-12 06:18:53,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 308 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=616, Invalid=1934, Unknown=0, NotChecked=0, Total=2550 [2022-07-12 06:18:53,150 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1092 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:53,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 949 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [639 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 06:18:53,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-07-12 06:18:53,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1075. [2022-07-12 06:18:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 822 states have (on average 1.1922141119221412) internal successors, (980), 870 states have internal predecessors, (980), 132 states have call successors, (132), 110 states have call predecessors, (132), 120 states have return successors, (227), 128 states have call predecessors, (227), 132 states have call successors, (227) [2022-07-12 06:18:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1339 transitions. [2022-07-12 06:18:53,231 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1339 transitions. Word has length 142 [2022-07-12 06:18:53,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:53,232 INFO L495 AbstractCegarLoop]: Abstraction has 1075 states and 1339 transitions. [2022-07-12 06:18:53,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-12 06:18:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1339 transitions. [2022-07-12 06:18:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-12 06:18:53,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:53,236 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:53,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:53,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:53,462 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:53,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:53,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1788073835, now seen corresponding path program 1 times [2022-07-12 06:18:53,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:53,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353826242] [2022-07-12 06:18:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:18:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 06:18:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 06:18:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:18:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 06:18:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 06:18:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-12 06:18:53,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:53,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353826242] [2022-07-12 06:18:53,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353826242] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:53,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:53,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 06:18:53,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785812835] [2022-07-12 06:18:53,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:53,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 06:18:53,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:53,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 06:18:53,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 06:18:53,555 INFO L87 Difference]: Start difference. First operand 1075 states and 1339 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 06:18:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:53,952 INFO L93 Difference]: Finished difference Result 1530 states and 1872 transitions. [2022-07-12 06:18:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 06:18:53,952 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 142 [2022-07-12 06:18:53,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:53,953 INFO L225 Difference]: With dead ends: 1530 [2022-07-12 06:18:53,953 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:18:53,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:18:53,957 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 271 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:53,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 223 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:18:53,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:18:53,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:18:53,958 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) [2022-07-12 06:18:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:18:53,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2022-07-12 06:18:53,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:53,958 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:18:53,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 06:18:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:18:53,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:18:53,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:18:53,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 06:18:53,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:18:58,843 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2022-07-12 06:18:58,844 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2022-07-12 06:18:58,844 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2022-07-12 06:18:58,844 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-07-12 06:18:58,844 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-07-12 06:18:58,844 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-07-12 06:18:58,844 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-07-12 06:18:58,844 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-07-12 06:18:58,844 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-07-12 06:18:58,845 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-07-12 06:18:58,845 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-07-12 06:18:58,845 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2022-07-12 06:18:58,845 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-07-12 06:18:58,845 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-07-12 06:18:58,845 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-07-12 06:18:58,845 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-07-12 06:18:58,845 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 608 627) no Hoare annotation was computed. [2022-07-12 06:18:58,845 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2022-07-12 06:18:58,845 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or (and .cse2 (= ~methAndRunningLastTime~0 0) .cse3) .cse5 .cse6 .cse1 .cse4) (or .cse7 .cse5 .cse6 .cse1) (or .cse7 .cse5 .cse0 .cse1))) [2022-07-12 06:18:58,846 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2022-07-12 06:18:58,846 INFO L895 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (let ((.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse3 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse5 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse6 (let ((.cse12 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse12) (and (not .cse12) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse7) (or .cse10 .cse11 (and .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse10 .cse0 .cse7))) [2022-07-12 06:18:58,846 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not .cse5)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~5#1|)) (.cse14 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse11 (not .cse12)) (.cse18 (not (<= 2 |old(~waterLevel~0)|))) (.cse19 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse20 (let ((.cse22 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse22) (and (not .cse22) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse17 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse5 .cse10 .cse6 .cse8)) (or .cse0 .cse1 .cse11 (and .cse3 .cse4 .cse12 .cse6 .cse7 .cse8) .cse9) (let ((.cse16 (or (and .cse19 .cse4 .cse5 .cse17 .cse8 .cse20) (and .cse3 .cse4 .cse5 .cse17 .cse8)))) (or (and .cse13 .cse14 .cse15 .cse16) (and .cse5 .cse10 .cse17 .cse8) .cse2 (and .cse3 .cse16) .cse9 .cse18)) (let ((.cse21 (or (and .cse19 .cse4 .cse12 .cse17 .cse20) (and .cse3 .cse4 .cse12 .cse17 .cse8)))) (or .cse1 (and .cse13 .cse21 .cse14 .cse15) .cse11 (and .cse3 .cse21) .cse9 .cse18))))) [2022-07-12 06:18:58,846 INFO L899 garLoopResultBuilder]: For program point L841-1(line 841) no Hoare annotation was computed. [2022-07-12 06:18:58,846 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 605 628) no Hoare annotation was computed. [2022-07-12 06:18:58,846 INFO L895 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (let ((.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse5) (or .cse6 .cse5 .cse7) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse3 .cse4 (= |timeShift_isLowWaterLevel_~tmp~8#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse5))) [2022-07-12 06:18:58,846 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) .cse5 .cse6) (or .cse7 .cse5 (and .cse2 .cse3 .cse4) .cse6) (or .cse8 .cse0 .cse1 .cse5) (or .cse8 .cse0 .cse7 .cse5))) [2022-07-12 06:18:58,846 INFO L895 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse0 .cse1))) [2022-07-12 06:18:58,847 INFO L895 garLoopResultBuilder]: At program point L719(lines 714 721) the Hoare annotation is: (let ((.cse1 (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (let ((.cse7 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse7) (and (not .cse7) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0)))))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse6 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse0 .cse2))) [2022-07-12 06:18:58,847 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 857) no Hoare annotation was computed. [2022-07-12 06:18:58,847 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2022-07-12 06:18:58,847 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2022-07-12 06:18:58,847 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse3)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (not .cse5))) (and (or .cse0 (and .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse1 .cse2) .cse5 .cse6) (or .cse9 .cse7 .cse8 .cse5 (and .cse2 .cse10 .cse11)) (or .cse9 .cse7 .cse0 (and .cse1 .cse2 .cse3 .cse10 .cse11 .cse4) .cse5)))) [2022-07-12 06:18:58,847 INFO L895 garLoopResultBuilder]: At program point L843-1(lines 835 863) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (not .cse17)) (.cse5 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~5#1|)) (.cse19 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse14 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse20 (let ((.cse21 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse21) (and (not .cse21) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= 0 ~systemActive~0)) (.cse16 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse6) .cse8) (or .cse0 .cse1 .cse9 (and .cse10 .cse3 .cse4 .cse6) .cse8) (let ((.cse12 (let ((.cse18 (not .cse8))) (or (and .cse10 .cse3 .cse4 .cse17 .cse5 .cse11 .cse18) (and .cse19 .cse3 .cse4 .cse17 .cse5 .cse11 .cse18 .cse20))))) (or (and .cse4 .cse7 .cse5 .cse11) (and .cse10 .cse12) (and .cse13 .cse12 .cse14 .cse15) .cse2 .cse8 .cse16)) (or .cse1 (and .cse13 .cse19 .cse3 .cse4 .cse14 .cse11 .cse15 .cse20) .cse9 (and .cse10 .cse3) .cse8 .cse16)))) [2022-07-12 06:18:58,847 INFO L895 garLoopResultBuilder]: At program point L682-1(lines 663 687) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not .cse5)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~5#1|)) (.cse14 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse11 (not .cse12)) (.cse18 (not (<= 2 |old(~waterLevel~0)|))) (.cse19 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse20 (let ((.cse22 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse22) (and (not .cse22) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse17 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse5 .cse10 .cse6 .cse8)) (or .cse0 .cse1 .cse11 (and .cse3 .cse4 .cse12 .cse6 .cse7 .cse8) .cse9) (let ((.cse16 (or (and .cse19 .cse4 .cse5 .cse17 .cse8 .cse20) (and .cse3 .cse4 .cse5 .cse17 .cse8)))) (or (and .cse13 .cse14 .cse15 .cse16) (and .cse5 .cse10 .cse17 .cse8) .cse2 (and .cse3 .cse16) .cse9 .cse18)) (let ((.cse21 (or (and .cse19 .cse4 .cse12 .cse17 .cse20) (and .cse3 .cse4 .cse12 .cse17 .cse8)))) (or .cse1 (and .cse13 .cse21 .cse14 .cse15) .cse11 (and .cse3 .cse21) .cse9 .cse18))))) [2022-07-12 06:18:58,848 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2022-07-12 06:18:58,848 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-07-12 06:18:58,848 INFO L899 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2022-07-12 06:18:58,848 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 854) no Hoare annotation was computed. [2022-07-12 06:18:58,848 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 605 628) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse6) (or .cse4 .cse5 .cse7 .cse2 .cse6) (or .cse5 .cse7 .cse0 .cse2 .cse3)))) [2022-07-12 06:18:58,848 INFO L895 garLoopResultBuilder]: At program point L1005(lines 1000 1007) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse0 .cse1))) [2022-07-12 06:18:58,848 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 605 628) no Hoare annotation was computed. [2022-07-12 06:18:58,848 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2022-07-12 06:18:58,848 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-07-12 06:18:58,849 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2022-07-12 06:18:58,849 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-07-12 06:18:58,849 INFO L895 garLoopResultBuilder]: At program point L832(lines 827 834) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:18:58,849 INFO L895 garLoopResultBuilder]: At program point L890(lines 886 892) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:18:58,849 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 566) no Hoare annotation was computed. [2022-07-12 06:18:58,849 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2022-07-12 06:18:58,850 INFO L902 garLoopResultBuilder]: At program point L973(lines 965 975) the Hoare annotation is: true [2022-07-12 06:18:58,850 INFO L895 garLoopResultBuilder]: At program point L585(lines 540 587) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-07-12 06:18:58,850 INFO L895 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-07-12 06:18:58,850 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:18:58,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:18:58,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:18:58,850 INFO L899 garLoopResultBuilder]: For program point L986(lines 986 993) no Hoare annotation was computed. [2022-07-12 06:18:58,850 INFO L899 garLoopResultBuilder]: For program point L986-2(lines 986 993) no Hoare annotation was computed. [2022-07-12 06:18:58,850 INFO L895 garLoopResultBuilder]: At program point L821(lines 816 823) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6))) [2022-07-12 06:18:58,851 INFO L895 garLoopResultBuilder]: At program point L883(lines 879 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:18:58,851 INFO L902 garLoopResultBuilder]: At program point L995(lines 976 998) the Hoare annotation is: true [2022-07-12 06:18:58,851 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:18:58,851 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2022-07-12 06:18:58,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:18:58,851 INFO L895 garLoopResultBuilder]: At program point L578-2(lines 570 583) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6))) [2022-07-12 06:18:58,851 INFO L899 garLoopResultBuilder]: For program point L541(lines 540 587) no Hoare annotation was computed. [2022-07-12 06:18:58,851 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 583) no Hoare annotation was computed. [2022-07-12 06:18:58,852 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-07-12 06:18:58,852 INFO L902 garLoopResultBuilder]: At program point L591(lines 530 595) the Hoare annotation is: true [2022-07-12 06:18:58,852 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2022-07-12 06:18:58,852 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2022-07-12 06:18:58,852 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-07-12 06:18:58,852 INFO L895 garLoopResultBuilder]: At program point L588(lines 539 589) the Hoare annotation is: false [2022-07-12 06:18:58,852 INFO L895 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:18:58,852 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 637 661) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3 .cse5) (or .cse6 .cse7 .cse2 .cse3) (or .cse6 .cse7 .cse4 .cse3 .cse5))) [2022-07-12 06:18:58,852 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-07-12 06:18:58,853 INFO L895 garLoopResultBuilder]: At program point L704-2(lines 697 713) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or (and (= ~pumpRunning~0 0) .cse6 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse5 .cse3 .cse2 .cse4))) [2022-07-12 06:18:58,853 INFO L895 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse11 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse6 (not .cse3))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse0 (and .cse4 .cse5 .cse11 .cse13 .cse12 .cse6)) (.cse2 (not .cse13)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6)) (.cse8 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse7 .cse3 .cse8) (or .cse9 .cse0 .cse2 .cse10 .cse3) (or .cse9 (and .cse4 .cse5 .cse11 .cse12 .cse6) .cse7 .cse10 .cse3 .cse8))))) [2022-07-12 06:18:58,853 INFO L895 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (not .cse2)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse1 (and .cse6 .cse7 .cse8 .cse9) .cse2) (or .cse5 (and .cse6 .cse7 .cse8 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse9) .cse3 .cse2 .cse4)))) [2022-07-12 06:18:58,853 INFO L895 garLoopResultBuilder]: At program point L727(line 727) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (not .cse2))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse1 .cse6 .cse2) (or .cse5 .cse3 .cse6 .cse2 .cse4)))) [2022-07-12 06:18:58,853 INFO L899 garLoopResultBuilder]: For program point L727-1(line 727) no Hoare annotation was computed. [2022-07-12 06:18:58,853 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-07-12 06:18:58,853 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2022-07-12 06:18:58,853 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-07-12 06:18:58,854 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0)) (.cse12 (not .cse3))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse9 .cse10 .cse11 .cse12)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (and .cse9 .cse10 .cse11 .cse8 .cse12)) (.cse7 (not (= ~waterLevel~0 0))) (.cse2 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse7 .cse4 .cse5 .cse3 .cse6) (or .cse1 .cse7 .cse2 .cse3))))) [2022-07-12 06:18:58,854 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2022-07-12 06:18:58,854 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2022-07-12 06:18:58,854 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 637 661) no Hoare annotation was computed. [2022-07-12 06:18:58,854 INFO L895 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse3 .cse2 .cse4) (or .cse5 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2022-07-12 06:18:58,854 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse7 (not .cse11)) (.cse9 (and .cse2 .cse3 .cse11 (not .cse4) .cse10)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse3 (<= 2 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse0 .cse7 .cse4 .cse9) (or .cse6 (and .cse3 .cse10) .cse1 .cse8 .cse4 .cse5)))) [2022-07-12 06:18:58,854 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= ~waterLevel~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse5 .cse6 .cse3 .cse2 .cse4))) [2022-07-12 06:18:58,854 INFO L899 garLoopResultBuilder]: For program point L656-1(lines 637 661) no Hoare annotation was computed. [2022-07-12 06:18:58,854 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-07-12 06:18:58,855 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-07-12 06:18:58,855 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2022-07-12 06:18:58,857 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:58,858 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:18:58,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:18:58 BoogieIcfgContainer [2022-07-12 06:18:58,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:18:58,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:18:58,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:18:58,897 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:18:58,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:46" (3/4) ... [2022-07-12 06:18:58,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:18:58,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:18:58,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:18:58,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:18:58,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:18:58,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:18:58,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:18:58,907 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:18:58,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-12 06:18:58,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:18:58,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:18:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:18:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:18:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:58,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-12 06:18:58,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-07-12 06:18:58,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-07-12 06:18:58,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-07-12 06:18:58,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive)) && ((((((((1 <= tmp && 1 <= \result) && 1 <= tmp___0) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((1 <= tmp && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) && 1 <= \result) && 1 <= tmp___0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:18:58,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-07-12 06:18:58,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((((((methAndRunningLastTime == 0 && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) || (pumpRunning == \old(pumpRunning) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))))) || (((1 <= tmp && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))))) && 1 <= \result) && 1 <= tmp___0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((((1 <= tmp && \result == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:18:58,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-07-12 06:18:58,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || 0 == systemActive) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((((((((1 <= tmp && \result == 0) && pumpRunning == 0) && \result == 0) && tmp == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-07-12 06:18:58,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-07-12 06:18:58,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-07-12 06:18:58,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-12 06:18:58,970 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:18:58,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:18:58,971 INFO L158 Benchmark]: Toolchain (without parser) took 13757.03ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 82.6MB in the beginning and 152.3MB in the end (delta: -69.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-12 06:18:58,971 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:18:58,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.64ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 79.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:18:58,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.91ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 76.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 06:18:58,972 INFO L158 Benchmark]: Boogie Preprocessor took 20.81ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:18:58,972 INFO L158 Benchmark]: RCFGBuilder took 408.03ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 58.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-12 06:18:58,972 INFO L158 Benchmark]: TraceAbstraction took 12820.15ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 57.6MB in the beginning and 158.6MB in the end (delta: -101.0MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2022-07-12 06:18:58,973 INFO L158 Benchmark]: Witness Printer took 73.55ms. Allocated memory is still 197.1MB. Free memory was 158.6MB in the beginning and 152.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:18:58,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.64ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 79.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.91ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 76.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.81ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.03ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 58.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12820.15ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 57.6MB in the beginning and 158.6MB in the end (delta: -101.0MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 73.55ms. Allocated memory is still 197.1MB. Free memory was 158.6MB in the beginning and 152.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2554 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2519 mSDsluCounter, 4148 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2583 mSDsCounter, 1053 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3953 IncrementalHoareTripleChecker+Invalid, 5006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1053 mSolverCounterUnsat, 1565 mSDtfsCounter, 3953 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 587 SyntacticMatches, 6 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1075occurred in iteration=12, InterpolantAutomatonStates: 133, 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, 13 MinimizatonAttempts, 804 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 1831 PreInvPairs, 2107 NumberOfFragments, 3377 HoareAnnotationTreeSize, 1831 FomulaSimplifications, 300 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 18188 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 2451 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1471 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 435/478 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: 827]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive)) && ((((((((1 <= tmp && 1 <= \result) && 1 <= tmp___0) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((1 <= tmp && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) && 1 <= \result) && 1 <= tmp___0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((((((methAndRunningLastTime == 0 && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) || (pumpRunning == \old(pumpRunning) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))))) || (((1 <= tmp && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))))) && 1 <= \result) && 1 <= tmp___0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((((1 <= tmp && \result == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || 0 == systemActive) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((((((((1 <= tmp && \result == 0) && pumpRunning == 0) && \result == 0) && tmp == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:18:59,043 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