./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:46,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:46,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:46,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:46,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:46,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:46,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:46,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:46,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:46,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:46,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:46,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:46,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:46,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:46,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:46,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:46,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:46,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:46,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:46,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:46,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:46,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:46,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:46,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:46,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:46,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:46,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:46,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:46,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:46,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:46,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:46,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:46,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:46,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:46,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:46,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:46,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:46,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:46,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:46,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:46,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:46,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:46,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:46,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:46,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:46,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:46,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:46,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:46,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:46,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:46,508 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:46,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:46,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:46,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:46,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:46,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:46,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:46,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:46,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:46,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:46,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:46,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:46,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:46,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:46,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:46,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:46,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:46,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:46,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:46,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2021-12-17 15:09:46,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:46,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:46,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:46,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:46,736 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:46,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-12-17 15:09:46,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b020790/5aee60ca849b427f88e6e8dfbcae1230/FLAGd4587a320 [2021-12-17 15:09:47,329 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:47,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-12-17 15:09:47,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b020790/5aee60ca849b427f88e6e8dfbcae1230/FLAGd4587a320 [2021-12-17 15:09:47,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b020790/5aee60ca849b427f88e6e8dfbcae1230 [2021-12-17 15:09:47,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:47,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:47,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:47,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:47,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:47,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:47" (1/1) ... [2021-12-17 15:09:47,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec55073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:47, skipping insertion in model container [2021-12-17 15:09:47,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:47" (1/1) ... [2021-12-17 15:09:47,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:47,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:47,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2021-12-17 15:09:47,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:47,972 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:47,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2021-12-17 15:09:48,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:48,060 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:48,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48 WrapperNode [2021-12-17 15:09:48,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:48,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:48,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:48,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:48,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,092 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 267 [2021-12-17 15:09:48,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:48,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:48,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:48,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:48,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:48,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:48,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:48,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:48,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (1/1) ... [2021-12-17 15:09:48,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:48,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 15:09:48,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 15:09:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:09:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:09:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-17 15:09:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-17 15:09:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:09:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:09:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:48,298 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:48,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:48,634 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:48,640 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:48,640 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:48,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:48 BoogieIcfgContainer [2021-12-17 15:09:48,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:48,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:48,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:48,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:48,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:47" (1/3) ... [2021-12-17 15:09:48,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bcb574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:48, skipping insertion in model container [2021-12-17 15:09:48,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:48" (2/3) ... [2021-12-17 15:09:48,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bcb574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:48, skipping insertion in model container [2021-12-17 15:09:48,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:48" (3/3) ... [2021-12-17 15:09:48,648 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2021-12-17 15:09:48,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:48,652 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:48,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:48,689 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:09:48,690 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-17 15:09:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:48,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:48,710 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:48,710 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:48,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1870870440, now seen corresponding path program 1 times [2021-12-17 15:09:48,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:48,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496464148] [2021-12-17 15:09:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:48,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:48,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:48,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496464148] [2021-12-17 15:09:48,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496464148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:48,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:48,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:48,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919701242] [2021-12-17 15:09:48,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:48,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:48,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:48,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:48,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:48,992 INFO L87 Difference]: Start difference. First operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:49,040 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2021-12-17 15:09:49,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:49,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:09:49,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:49,049 INFO L225 Difference]: With dead ends: 201 [2021-12-17 15:09:49,049 INFO L226 Difference]: Without dead ends: 96 [2021-12-17 15:09:49,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:49,056 INFO L933 BasicCegarLoop]: 132 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, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:49,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-17 15:09:49,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-17 15:09:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 79 states have internal predecessors, (92), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-17 15:09:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2021-12-17 15:09:49,106 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 32 [2021-12-17 15:09:49,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:49,107 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2021-12-17 15:09:49,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2021-12-17 15:09:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-17 15:09:49,114 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:49,115 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:49,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:49,116 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:49,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:49,117 INFO L85 PathProgramCache]: Analyzing trace with hash 746670416, now seen corresponding path program 1 times [2021-12-17 15:09:49,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:49,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020360717] [2021-12-17 15:09:49,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:49,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:09:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:49,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:49,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020360717] [2021-12-17 15:09:49,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020360717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:49,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:49,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:49,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916747295] [2021-12-17 15:09:49,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:49,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:49,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:49,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:49,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:49,242 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:49,488 INFO L93 Difference]: Finished difference Result 327 states and 433 transitions. [2021-12-17 15:09:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:49,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-17 15:09:49,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:49,491 INFO L225 Difference]: With dead ends: 327 [2021-12-17 15:09:49,491 INFO L226 Difference]: Without dead ends: 239 [2021-12-17 15:09:49,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:49,493 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 318 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:49,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 545 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:49,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-12-17 15:09:49,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 233. [2021-12-17 15:09:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 170 states have (on average 1.3176470588235294) internal successors, (224), 188 states have internal predecessors, (224), 41 states have call successors, (41), 24 states have call predecessors, (41), 21 states have return successors, (41), 30 states have call predecessors, (41), 38 states have call successors, (41) [2021-12-17 15:09:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 306 transitions. [2021-12-17 15:09:49,527 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 306 transitions. Word has length 37 [2021-12-17 15:09:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:49,527 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 306 transitions. [2021-12-17 15:09:49,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 306 transitions. [2021-12-17 15:09:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-17 15:09:49,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:49,529 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:49,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:49,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:49,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1836328198, now seen corresponding path program 1 times [2021-12-17 15:09:49,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:49,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035889863] [2021-12-17 15:09:49,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:49,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:09:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-17 15:09:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:49,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:49,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035889863] [2021-12-17 15:09:49,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035889863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:49,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:49,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:49,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087236870] [2021-12-17 15:09:49,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:49,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:49,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:49,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:49,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:49,607 INFO L87 Difference]: Start difference. First operand 233 states and 306 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:09:49,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:49,890 INFO L93 Difference]: Finished difference Result 692 states and 951 transitions. [2021-12-17 15:09:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:49,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (5), 3 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 47 [2021-12-17 15:09:49,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:49,899 INFO L225 Difference]: With dead ends: 692 [2021-12-17 15:09:49,899 INFO L226 Difference]: Without dead ends: 467 [2021-12-17 15:09:49,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:49,908 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 236 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:49,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 411 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:09:49,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2021-12-17 15:09:49,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 422. [2021-12-17 15:09:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 315 states have (on average 1.2476190476190476) internal successors, (393), 329 states have internal predecessors, (393), 63 states have call successors, (63), 44 states have call predecessors, (63), 43 states have return successors, (92), 62 states have call predecessors, (92), 58 states have call successors, (92) [2021-12-17 15:09:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 548 transitions. [2021-12-17 15:09:49,956 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 548 transitions. Word has length 47 [2021-12-17 15:09:49,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:49,957 INFO L470 AbstractCegarLoop]: Abstraction has 422 states and 548 transitions. [2021-12-17 15:09:49,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:09:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 548 transitions. [2021-12-17 15:09:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:09:49,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:49,958 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:49,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:49,959 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:49,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:49,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1079510586, now seen corresponding path program 1 times [2021-12-17 15:09:49,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:49,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005883412] [2021-12-17 15:09:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:49,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-17 15:09:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:50,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:50,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005883412] [2021-12-17 15:09:50,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005883412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:50,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:50,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:50,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427413745] [2021-12-17 15:09:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:50,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:50,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:50,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:50,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:50,029 INFO L87 Difference]: Start difference. First operand 422 states and 548 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:50,130 INFO L93 Difference]: Finished difference Result 858 states and 1171 transitions. [2021-12-17 15:09:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:09:50,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-17 15:09:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:50,135 INFO L225 Difference]: With dead ends: 858 [2021-12-17 15:09:50,135 INFO L226 Difference]: Without dead ends: 444 [2021-12-17 15:09:50,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:50,138 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 71 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:50,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 601 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:50,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-12-17 15:09:50,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 417. [2021-12-17 15:09:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 310 states have (on average 1.2193548387096773) internal successors, (378), 324 states have internal predecessors, (378), 63 states have call successors, (63), 44 states have call predecessors, (63), 43 states have return successors, (92), 62 states have call predecessors, (92), 58 states have call successors, (92) [2021-12-17 15:09:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 533 transitions. [2021-12-17 15:09:50,170 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 533 transitions. Word has length 41 [2021-12-17 15:09:50,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:50,171 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 533 transitions. [2021-12-17 15:09:50,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 533 transitions. [2021-12-17 15:09:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-17 15:09:50,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:50,172 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:50,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:50,173 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:50,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash -298139813, now seen corresponding path program 1 times [2021-12-17 15:09:50,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:50,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880995747] [2021-12-17 15:09:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:50,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:09:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-17 15:09:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:50,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:50,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880995747] [2021-12-17 15:09:50,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880995747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:50,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:50,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:50,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119229581] [2021-12-17 15:09:50,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:50,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:50,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:50,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:50,240 INFO L87 Difference]: Start difference. First operand 417 states and 533 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:50,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:50,360 INFO L93 Difference]: Finished difference Result 856 states and 1133 transitions. [2021-12-17 15:09:50,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:09:50,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 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 59 [2021-12-17 15:09:50,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:50,363 INFO L225 Difference]: With dead ends: 856 [2021-12-17 15:09:50,363 INFO L226 Difference]: Without dead ends: 447 [2021-12-17 15:09:50,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:09:50,366 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 77 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:50,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 465 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:50,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-17 15:09:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 423. [2021-12-17 15:09:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 316 states have (on average 1.2151898734177216) internal successors, (384), 330 states have internal predecessors, (384), 63 states have call successors, (63), 44 states have call predecessors, (63), 43 states have return successors, (92), 62 states have call predecessors, (92), 58 states have call successors, (92) [2021-12-17 15:09:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 539 transitions. [2021-12-17 15:09:50,385 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 539 transitions. Word has length 59 [2021-12-17 15:09:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:50,385 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 539 transitions. [2021-12-17 15:09:50,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:09:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 539 transitions. [2021-12-17 15:09:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-17 15:09:50,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:50,386 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:50,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:09:50,387 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:50,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1002901024, now seen corresponding path program 1 times [2021-12-17 15:09:50,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:50,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363508217] [2021-12-17 15:09:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:50,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:09:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:09:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:50,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:50,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363508217] [2021-12-17 15:09:50,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363508217] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:50,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:50,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:50,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039889426] [2021-12-17 15:09:50,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:50,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:50,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:50,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:50,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:50,444 INFO L87 Difference]: Start difference. First operand 423 states and 539 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-17 15:09:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:50,551 INFO L93 Difference]: Finished difference Result 795 states and 1010 transitions. [2021-12-17 15:09:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:09:50,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2021-12-17 15:09:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:50,553 INFO L225 Difference]: With dead ends: 795 [2021-12-17 15:09:50,553 INFO L226 Difference]: Without dead ends: 380 [2021-12-17 15:09:50,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:50,555 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 95 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:50,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 378 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-12-17 15:09:50,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 360. [2021-12-17 15:09:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.2316176470588236) internal successors, (335), 290 states have internal predecessors, (335), 44 states have call successors, (44), 37 states have call predecessors, (44), 43 states have return successors, (56), 46 states have call predecessors, (56), 44 states have call successors, (56) [2021-12-17 15:09:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 435 transitions. [2021-12-17 15:09:50,576 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 435 transitions. Word has length 55 [2021-12-17 15:09:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:50,576 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 435 transitions. [2021-12-17 15:09:50,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-17 15:09:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 435 transitions. [2021-12-17 15:09:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-17 15:09:50,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:50,577 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:50,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:09:50,578 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:50,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:50,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1283675681, now seen corresponding path program 1 times [2021-12-17 15:09:50,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:50,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683035528] [2021-12-17 15:09:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:50,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:09:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-17 15:09:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:50,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:50,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683035528] [2021-12-17 15:09:50,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683035528] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:50,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:50,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:09:50,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484570772] [2021-12-17 15:09:50,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:50,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:09:50,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:50,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:09:50,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:09:50,629 INFO L87 Difference]: Start difference. First operand 360 states and 435 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:09:50,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:50,786 INFO L93 Difference]: Finished difference Result 1049 states and 1328 transitions. [2021-12-17 15:09:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:09:50,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 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 59 [2021-12-17 15:09:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:50,789 INFO L225 Difference]: With dead ends: 1049 [2021-12-17 15:09:50,790 INFO L226 Difference]: Without dead ends: 697 [2021-12-17 15:09:50,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:09:50,791 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 234 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:50,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 343 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:50,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2021-12-17 15:09:50,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 695. [2021-12-17 15:09:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 524 states have (on average 1.217557251908397) internal successors, (638), 554 states have internal predecessors, (638), 91 states have call successors, (91), 78 states have call predecessors, (91), 79 states have return successors, (128), 90 states have call predecessors, (128), 91 states have call successors, (128) [2021-12-17 15:09:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 857 transitions. [2021-12-17 15:09:50,818 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 857 transitions. Word has length 59 [2021-12-17 15:09:50,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:50,818 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 857 transitions. [2021-12-17 15:09:50,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:09:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 857 transitions. [2021-12-17 15:09:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-17 15:09:50,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:50,819 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:09:50,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:09:50,820 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:50,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:50,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1565994427, now seen corresponding path program 1 times [2021-12-17 15:09:50,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:50,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888214647] [2021-12-17 15:09:50,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:50,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-17 15:09:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-17 15:09:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:51,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:51,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888214647] [2021-12-17 15:09:51,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888214647] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:51,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:51,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 15:09:51,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331378017] [2021-12-17 15:09:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:51,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 15:09:51,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 15:09:51,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:09:51,024 INFO L87 Difference]: Start difference. First operand 695 states and 857 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-17 15:09:52,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:52,005 INFO L93 Difference]: Finished difference Result 2049 states and 2612 transitions. [2021-12-17 15:09:52,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-17 15:09:52,006 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2021-12-17 15:09:52,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:52,011 INFO L225 Difference]: With dead ends: 2049 [2021-12-17 15:09:52,011 INFO L226 Difference]: Without dead ends: 1499 [2021-12-17 15:09:52,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2021-12-17 15:09:52,014 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 603 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:52,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [613 Valid, 813 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 15:09:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2021-12-17 15:09:52,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1276. [2021-12-17 15:09:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 961 states have (on average 1.2091571279916753) internal successors, (1162), 1021 states have internal predecessors, (1162), 165 states have call successors, (165), 137 states have call predecessors, (165), 149 states have return successors, (223), 164 states have call predecessors, (223), 165 states have call successors, (223) [2021-12-17 15:09:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1550 transitions. [2021-12-17 15:09:52,070 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1550 transitions. Word has length 63 [2021-12-17 15:09:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:52,071 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1550 transitions. [2021-12-17 15:09:52,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-17 15:09:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1550 transitions. [2021-12-17 15:09:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-17 15:09:52,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:52,073 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 15:09:52,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:09:52,073 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:52,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:52,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1917161194, now seen corresponding path program 1 times [2021-12-17 15:09:52,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:52,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206732654] [2021-12-17 15:09:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:52,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:09:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-17 15:09:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-17 15:09:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-17 15:09:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-17 15:09:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 15:09:52,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:52,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206732654] [2021-12-17 15:09:52,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206732654] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:52,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746412436] [2021-12-17 15:09:52,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:52,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:52,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:52,178 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:09:52,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:09:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:52,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:09:52,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:09:52,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 15:09:52,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746412436] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:52,804 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:52,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-17 15:09:52,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675452419] [2021-12-17 15:09:52,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:52,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-17 15:09:52,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:52,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-17 15:09:52,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:09:52,806 INFO L87 Difference]: Start difference. First operand 1276 states and 1550 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2021-12-17 15:09:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:53,774 INFO L93 Difference]: Finished difference Result 2892 states and 3645 transitions. [2021-12-17 15:09:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-12-17 15:09:53,775 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) Word has length 106 [2021-12-17 15:09:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:53,782 INFO L225 Difference]: With dead ends: 2892 [2021-12-17 15:09:53,782 INFO L226 Difference]: Without dead ends: 1755 [2021-12-17 15:09:53,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2021-12-17 15:09:53,786 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 458 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:53,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 1378 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 15:09:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2021-12-17 15:09:53,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1464. [2021-12-17 15:09:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1090 states have (on average 1.2045871559633028) internal successors, (1313), 1172 states have internal predecessors, (1313), 196 states have call successors, (196), 168 states have call predecessors, (196), 177 states have return successors, (264), 183 states have call predecessors, (264), 196 states have call successors, (264) [2021-12-17 15:09:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1773 transitions. [2021-12-17 15:09:53,915 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1773 transitions. Word has length 106 [2021-12-17 15:09:53,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:53,916 INFO L470 AbstractCegarLoop]: Abstraction has 1464 states and 1773 transitions. [2021-12-17 15:09:53,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2021-12-17 15:09:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1773 transitions. [2021-12-17 15:09:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-17 15:09:53,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:53,922 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 15:09:53,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:54,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:54,138 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:54,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash 670646930, now seen corresponding path program 1 times [2021-12-17 15:09:54,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:54,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598266911] [2021-12-17 15:09:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:54,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:09:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:09:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-17 15:09:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:09:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-17 15:09:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:09:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:09:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:09:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-17 15:09:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-17 15:09:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-17 15:09:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:09:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-17 15:09:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 88 proven. 28 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-17 15:09:54,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:54,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598266911] [2021-12-17 15:09:54,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598266911] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:09:54,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107408961] [2021-12-17 15:09:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:54,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:09:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:54,345 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) [2021-12-17 15:09:54,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:09:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:54,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-17 15:09:54,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:09:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-17 15:09:54,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:09:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-17 15:09:55,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107408961] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:09:55,457 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:09:55,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2021-12-17 15:09:55,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526917191] [2021-12-17 15:09:55,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:09:55,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-17 15:09:55,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:55,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-17 15:09:55,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2021-12-17 15:09:55,459 INFO L87 Difference]: Start difference. First operand 1464 states and 1773 transitions. Second operand has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (40), 8 states have call predecessors, (40), 9 states have return successors, (37), 9 states have call predecessors, (37), 10 states have call successors, (37) [2021-12-17 15:09:56,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:56,395 INFO L93 Difference]: Finished difference Result 3127 states and 3925 transitions. [2021-12-17 15:09:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-17 15:09:56,396 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (40), 8 states have call predecessors, (40), 9 states have return successors, (37), 9 states have call predecessors, (37), 10 states have call successors, (37) Word has length 195 [2021-12-17 15:09:56,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:56,397 INFO L225 Difference]: With dead ends: 3127 [2021-12-17 15:09:56,397 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:56,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 419 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=542, Invalid=2008, Unknown=0, NotChecked=0, Total=2550 [2021-12-17 15:09:56,403 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 864 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:56,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [870 Valid, 995 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 15:09:56,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:56,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:09:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:56,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2021-12-17 15:09:56,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:56,405 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:56,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (40), 8 states have call predecessors, (40), 9 states have return successors, (37), 9 states have call predecessors, (37), 10 states have call successors, (37) [2021-12-17 15:09:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:56,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:56,407 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:56,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:09:56,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 15:09:56,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:10:04,322 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 185 192) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not .cse0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 2)) .cse2)))) [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 101 107) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 101 107) the Hoare annotation is: true [2021-12-17 15:10:04,322 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 355 384) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 355 384) the Hoare annotation is: true [2021-12-17 15:10:04,322 INFO L861 garLoopResultBuilder]: At program point L380(lines 355 384) the Hoare annotation is: true [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point L376(line 376) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L861 garLoopResultBuilder]: At program point L369-1(lines 369 373) the Hoare annotation is: true [2021-12-17 15:10:04,322 INFO L858 garLoopResultBuilder]: For program point L366(line 366) no Hoare annotation was computed. [2021-12-17 15:10:04,322 INFO L861 garLoopResultBuilder]: At program point L365-2(lines 365 379) the Hoare annotation is: true [2021-12-17 15:10:04,323 INFO L861 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L361-1(line 361) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L854 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse17 (not .cse0))) (let ((.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse13 (and .cse2 .cse15 .cse3 .cse16 .cse8 (<= 1 ~pumpRunning~0) .cse5 .cse17)) (.cse14 (and .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse15 .cse3 .cse16 .cse5 .cse17 .cse6)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (let ((.cse4 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 (and .cse2 .cse3 .cse4 .cse8 .cse5) .cse9)) (or .cse1 .cse10 .cse7) (or (and .cse2 .cse3 .cse11 .cse5 .cse6) .cse0 .cse1 .cse12 .cse13 .cse14 (and .cse2 .cse3 .cse11 .cse8 .cse5) .cse9) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse12 .cse13 .cse14 .cse9) (or .cse10 (and .cse2 .cse11 .cse5 .cse6) (not (<= |old(~waterLevel~0)| 1))))))) [2021-12-17 15:10:04,323 INFO L854 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= 1 ~pumpRunning~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse14 (not .cse0)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and .cse16 .cse1 .cse3 .cse14 .cse4)) (.cse8 (and .cse16 .cse1 .cse7 .cse13 .cse3 .cse14)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse1 .cse2 .cse7 .cse3) .cse8 (not (<= |old(~waterLevel~0)| 1)) .cse9) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse8 .cse9) (let ((.cse11 (= ~waterLevel~0 1))) (or .cse0 .cse10 (and .cse1 .cse11 .cse3 .cse4) (and .cse1 .cse11 .cse7 .cse3) .cse12 .cse9)) (or .cse10 (and .cse13 .cse3 .cse14) .cse15 .cse12 (and (= |timeShift_getWaterLevel_#res#1| 2) .cse4)) (or .cse10 .cse15 (and (= ~waterLevel~0 2) .cse2) (and .cse2 .cse3 .cse4)))))) [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L81-2(lines 77 99) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 156) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 100) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L854 garLoopResultBuilder]: At program point L912-2(lines 908 919) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6 (<= 1 ~pumpRunning~0) (not .cse0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 (= ~waterLevel~0 1) .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse4 .cse1 .cse2 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:04,323 INFO L854 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or .cse4 (and .cse1 .cse2 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse1 .cse3 .cse2) (not (<= |old(~waterLevel~0)| 1)) .cse5))) [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2021-12-17 15:10:04,323 INFO L858 garLoopResultBuilder]: For program point L888(lines 888 898) no Hoare annotation was computed. [2021-12-17 15:10:04,324 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6 (<= 1 ~pumpRunning~0) (not .cse0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 (= ~waterLevel~0 1) .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse4 .cse1 .cse2 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:04,324 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 901) no Hoare annotation was computed. [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L884-1(lines 876 904) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse11 (= ~pumpRunning~0 0)) (.cse0 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse20 (<= ~waterLevel~0 1)) (.cse15 (<= 1 ~pumpRunning~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse10 (not .cse5))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse17 (and .cse0 .cse19 .cse7 .cse8 .cse20 .cse15 .cse2 .cse3 .cse10)) (.cse18 (and .cse0 .cse19 .cse7 .cse8 .cse20 .cse3 .cse10 .cse11)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 (not (<= |old(~waterLevel~0)| 1))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 .cse6 (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11) .cse12 (and .cse0 .cse7 .cse8 .cse9 .cse2 .cse3 .cse10) .cse13)) (let ((.cse14 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2))) (or (and .cse1 .cse2 .cse3 .cse14) (and .cse1 .cse15 .cse3 .cse10 .cse14) .cse6 .cse4 .cse12)) (or .cse5 .cse6 .cse16 (and .cse0 .cse7 .cse8 .cse1 .cse3 .cse10 .cse11) .cse17 .cse18 (and .cse0 .cse7 .cse8 .cse1 .cse2 .cse3 .cse10) .cse13) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse16 .cse17 .cse18 .cse13))))) [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6 (<= 1 ~pumpRunning~0) (not .cse0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 (= ~waterLevel~0 1) .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse4 .cse1 .cse2 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6 (<= 1 ~pumpRunning~0) (not .cse0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 (= ~waterLevel~0 1) .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse4 .cse1 .cse2 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:04,324 INFO L858 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (not .cse1) (= ~pumpRunning~0 0))) (or .cse1 .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse1 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L154-1(lines 135 159) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= ~waterLevel~0 1)) (.cse9 (not .cse0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse10 (and (not (= 0 |old(~pumpRunning~0)|)) .cse13 .cse2 .cse14 .cse9 .cse5)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse12 (and .cse13 .cse2 .cse14 .cse4 .cse8 .cse9)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse5) .cse6)) (or .cse1 (and (= ~waterLevel~0 2) .cse7 .cse8 .cse9) (not (= |old(~pumpRunning~0)| 0)) (and .cse7 .cse9 .cse5)) (or .cse10 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse11 .cse12 .cse6) (or .cse10 .cse0 .cse1 .cse11 .cse12 (and .cse2 .cse7 .cse5) (and .cse2 .cse7 .cse4) .cse6))))) [2021-12-17 15:10:04,324 INFO L858 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-12-17 15:10:04,324 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 88 94) no Hoare annotation was computed. [2021-12-17 15:10:04,324 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 100) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or .cse4 (and .cse1 .cse2 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse1 .cse3 .cse2) (not (<= |old(~waterLevel~0)| 1)) .cse5))) [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 100) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point L873(lines 866 875) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (<= 1 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse1) (or .cse3 (and .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point L345(lines 296 346) the Hoare annotation is: false [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point L333-2(lines 327 340) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~waterLevel~0 2) .cse2 .cse4 .cse5) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse4 .cse3 .cse5))) [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point L317-1(lines 317 323) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point L280(lines 268 282) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0)) [2021-12-17 15:10:04,325 INFO L858 garLoopResultBuilder]: For program point L441-2(lines 441 448) no Hoare annotation was computed. [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point L342(lines 297 344) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~waterLevel~0 2) .cse2 .cse3 .cse4))) [2021-12-17 15:10:04,325 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~waterLevel~0 2) .cse2 .cse3 .cse4))) [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 278) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L272-1(lines 272 278) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L861 garLoopResultBuilder]: At program point L425(lines 417 427) the Hoare annotation is: true [2021-12-17 15:10:04,326 INFO L861 garLoopResultBuilder]: At program point L450(lines 431 453) the Hoare annotation is: true [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 865) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L413(lines 409 415) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L843(lines 839 845) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L298(lines 297 344) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 340) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L319(line 319) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~waterLevel~0 2) .cse2 .cse4 .cse5) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse4 .cse3 .cse5))) [2021-12-17 15:10:04,326 INFO L861 garLoopResultBuilder]: At program point L348(lines 287 352) the Hoare annotation is: true [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~waterLevel~0 2) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= ~waterLevel~0 2) .cse4))) [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L854 garLoopResultBuilder]: At program point L836(lines 832 838) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2021-12-17 15:10:04,326 INFO L858 garLoopResultBuilder]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse5) (or .cse4 .cse2 .cse5))) [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 262) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 109 133) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 995) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L994(lines 985 998) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse1 (= ~pumpRunning~0 0))) (or .cse0 (and (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) .cse1) (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) .cse1))))) [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= |processEnvironment__wrappee__methaneQuery_~tmp~0#1| 0) (= ~pumpRunning~0 0))))) [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 130) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 109 133) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0))))) [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L175-2(lines 168 184) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (<= 1 ~pumpRunning~0) (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)))) [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 109 133) no Hoare annotation was computed. [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L264(lines 249 267) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse1 (= ~pumpRunning~0 0))) (or .cse0 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| 0) (not (= 0 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~3#1|)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0) .cse1) (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) .cse1))))) [2021-12-17 15:10:04,327 INFO L854 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:04,328 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 262) no Hoare annotation was computed. [2021-12-17 15:10:04,328 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 204 212) no Hoare annotation was computed. [2021-12-17 15:10:04,328 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 204 212) the Hoare annotation is: true [2021-12-17 15:10:04,328 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 204 212) no Hoare annotation was computed. [2021-12-17 15:10:04,328 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 193 203) the Hoare annotation is: true [2021-12-17 15:10:04,328 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 193 203) no Hoare annotation was computed. [2021-12-17 15:10:04,328 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 193 203) no Hoare annotation was computed. [2021-12-17 15:10:04,328 INFO L861 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: true [2021-12-17 15:10:04,330 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:04,333 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:10:04,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:10:04 BoogieIcfgContainer [2021-12-17 15:10:04,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:10:04,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:10:04,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:10:04,357 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:10:04,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:48" (3/4) ... [2021-12-17 15:10:04,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:10:04,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:10:04,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:10:04,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:10:04,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:10:04,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:10:04,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:10:04,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:04,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:10:04,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-17 15:10:04,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-17 15:10:04,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:10:04,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:10:04,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:10:04,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:10:04,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:04,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:04,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:10:04,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && systemActive == tmp) && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:10:04,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && systemActive == tmp) && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:10:04,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 1 == tmp) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 == tmp) && waterLevel == 2) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) [2021-12-17 15:10:04,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:04,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:04,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == waterLevel && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 2) || ((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && \result == waterLevel) && !(0 == systemActive)) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel)))) && (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || (((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || (((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:04,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && !(0 == systemActive))) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && ((((((((((!(0 == \old(pumpRunning)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0) || 0 == systemActive) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && ((((((((((((!(0 == \old(pumpRunning)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:04,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:04,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && pumpRunning == 0 [2021-12-17 15:10:04,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && \result == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && \result == waterLevel) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || ((1 <= pumpRunning && \result == waterLevel) && !(0 == systemActive))) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (\result == 2 && pumpRunning == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && waterLevel == \old(waterLevel))) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) [2021-12-17 15:10:04,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || (!(\result == 0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-17 15:10:04,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || 1 <= pumpRunning) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) [2021-12-17 15:10:04,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (waterLevel == 2 && 1 <= pumpRunning)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:04,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || (((tmp___0 == 0 && !(0 == tmp)) && \result == 0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-17 15:10:04,405 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:10:04,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:10:04,405 INFO L158 Benchmark]: Toolchain (without parser) took 16752.60ms. Allocated memory was 94.4MB in the beginning and 239.1MB in the end (delta: 144.7MB). Free memory was 63.6MB in the beginning and 88.0MB in the end (delta: -24.4MB). Peak memory consumption was 120.4MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,406 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:10:04,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.07ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 64.0MB in the end (delta: -338.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.42ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 61.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,406 INFO L158 Benchmark]: Boogie Preprocessor took 18.38ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 59.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,406 INFO L158 Benchmark]: RCFGBuilder took 529.70ms. Allocated memory is still 94.4MB. Free memory was 59.8MB in the beginning and 43.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,407 INFO L158 Benchmark]: TraceAbstraction took 15713.21ms. Allocated memory was 94.4MB in the beginning and 239.1MB in the end (delta: 144.7MB). Free memory was 42.5MB in the beginning and 95.4MB in the end (delta: -52.9MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,407 INFO L158 Benchmark]: Witness Printer took 48.47ms. Allocated memory is still 239.1MB. Free memory was 94.3MB in the beginning and 88.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:10:04,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.07ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 64.0MB in the end (delta: -338.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.42ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 61.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.38ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 59.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.70ms. Allocated memory is still 94.4MB. Free memory was 59.8MB in the beginning and 43.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15713.21ms. Allocated memory was 94.4MB in the beginning and 239.1MB in the end (delta: 144.7MB). Free memory was 42.5MB in the beginning and 95.4MB in the end (delta: -52.9MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. * Witness Printer took 48.47ms. Allocated memory is still 239.1MB. Free memory was 94.3MB in the beginning and 88.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3002 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2956 mSDsluCounter, 6061 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4529 mSDsCounter, 1019 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4089 IncrementalHoareTripleChecker+Invalid, 5108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1019 mSolverCounterUnsat, 1532 mSDtfsCounter, 4089 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 905 GetRequests, 730 SyntacticMatches, 8 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1426 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1464occurred in iteration=9, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 638 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 3782 PreInvPairs, 4478 NumberOfFragments, 2657 HoareAnnotationTreeSize, 3782 FomulaSimplifications, 6368 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 48 FomulaSimplificationsInter, 57677 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 995 NumberOfCodeBlocks, 995 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1282 ConstructedInterpolants, 0 QuantifiedInterpolants, 2656 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1221 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 683/783 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: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 == tmp) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || ((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 == tmp) && waterLevel == 2) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && systemActive == tmp) && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((0 == systemActive || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && systemActive == tmp) && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || (!(\result == 0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && pumpRunning == 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && !(0 == systemActive))) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0))) && ((((((((((!(0 == \old(pumpRunning)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0) || 0 == systemActive) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && ((((((((((((!(0 == \old(pumpRunning)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (waterLevel == 2 && 1 <= pumpRunning)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((((((((tmp == waterLevel && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 2) || ((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && \result == waterLevel) && !(0 == systemActive)) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel)))) && (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || (((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((tmp == waterLevel && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && !(0 == systemActive))) || (((((((tmp == waterLevel && waterLevel + 1 <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || (((tmp___0 == 0 && !(0 == tmp)) && \result == 0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((((((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && \result == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && \result == waterLevel) && !(0 == systemActive))) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || ((1 <= pumpRunning && \result == waterLevel) && !(0 == systemActive))) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (\result == 2 && pumpRunning == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && waterLevel == \old(waterLevel))) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || 1 <= pumpRunning) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= pumpRunning) && !(0 == systemActive))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:10:04,446 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