./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.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_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:35,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:35,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:35,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:35,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:35,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:35,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:35,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:35,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:35,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:35,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:35,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:35,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:35,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:35,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:35,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:35,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:35,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:35,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:35,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:35,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:35,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:35,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:35,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:35,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:35,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:35,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:35,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:35,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:35,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:35,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:35,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:35,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:35,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:35,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:35,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:35,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:35,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:35,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:35,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:35,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:35,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:35,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:35,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:35,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:35,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:35,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:35,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:35,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:35,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:35,368 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:35,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:35,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:35,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:35,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:35,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:35,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:35,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:35,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:35,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:35,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:35,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:35,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:35,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:35,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:35,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:35,372 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:35,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:35,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:35,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:35,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 [2021-12-16 01:01:35,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:35,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:35,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:35,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:35,552 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:35,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-12-16 01:01:35,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5efb67094/e1b5011ab7bf42aea1fd8841283c99c4/FLAG728e90611 [2021-12-16 01:01:35,951 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:35,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-12-16 01:01:35,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5efb67094/e1b5011ab7bf42aea1fd8841283c99c4/FLAG728e90611 [2021-12-16 01:01:36,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5efb67094/e1b5011ab7bf42aea1fd8841283c99c4 [2021-12-16 01:01:36,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:36,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:36,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:36,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:36,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:36,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b94a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36, skipping insertion in model container [2021-12-16 01:01:36,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:36,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:36,576 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_product58.cil.c[14935,14948] [2021-12-16 01:01:36,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:36,603 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:36,670 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_product58.cil.c[14935,14948] [2021-12-16 01:01:36,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:36,695 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:36,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36 WrapperNode [2021-12-16 01:01:36,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:36,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:36,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:36,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:36,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,745 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 288 [2021-12-16 01:01:36,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:36,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:36,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:36,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:36,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:36,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:36,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:36,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:36,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (1/1) ... [2021-12-16 01:01:36,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:36,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:36,809 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) [2021-12-16 01:01:36,827 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 [2021-12-16 01:01:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:36,917 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:36,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:37,127 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:37,135 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:37,135 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:37,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:37 BoogieIcfgContainer [2021-12-16 01:01:37,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:37,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:37,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:37,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:37,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:36" (1/3) ... [2021-12-16 01:01:37,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d2b96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:37, skipping insertion in model container [2021-12-16 01:01:37,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:36" (2/3) ... [2021-12-16 01:01:37,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d2b96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:37, skipping insertion in model container [2021-12-16 01:01:37,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:37" (3/3) ... [2021-12-16 01:01:37,143 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2021-12-16 01:01:37,146 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:37,146 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:37,180 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:37,184 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 [2021-12-16 01:01:37,184 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 76 states have (on average 1.368421052631579) internal successors, (104), 84 states have internal predecessors, (104), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 01:01:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:37,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,203 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] [2021-12-16 01:01:37,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,206 INFO L85 PathProgramCache]: Analyzing trace with hash -716350399, now seen corresponding path program 1 times [2021-12-16 01:01:37,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419867581] [2021-12-16 01:01:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419867581] [2021-12-16 01:01:37,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419867581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:37,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982687715] [2021-12-16 01:01:37,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:37,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:37,416 INFO L87 Difference]: Start difference. First operand has 97 states, 76 states have (on average 1.368421052631579) internal successors, (104), 84 states have internal predecessors, (104), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,437 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2021-12-16 01:01:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:37,439 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 [2021-12-16 01:01:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,449 INFO L225 Difference]: With dead ends: 185 [2021-12-16 01:01:37,449 INFO L226 Difference]: Without dead ends: 88 [2021-12-16 01:01:37,453 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 [2021-12-16 01:01:37,457 INFO L933 BasicCegarLoop]: 122 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, 122 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 [2021-12-16 01:01:37,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:37,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-16 01:01:37,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-16 01:01:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 76 states have internal predecessors, (90), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 01:01:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2021-12-16 01:01:37,514 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 32 [2021-12-16 01:01:37,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,515 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2021-12-16 01:01:37,516 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) [2021-12-16 01:01:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-12-16 01:01:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 01:01:37,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,522 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] [2021-12-16 01:01:37,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:37,523 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash 407802526, now seen corresponding path program 1 times [2021-12-16 01:01:37,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334393070] [2021-12-16 01:01:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 01:01:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334393070] [2021-12-16 01:01:37,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334393070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:37,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472170738] [2021-12-16 01:01:37,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:37,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:37,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,596 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:37,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,609 INFO L93 Difference]: Finished difference Result 140 states and 180 transitions. [2021-12-16 01:01:37,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:37,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 01:01:37,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,610 INFO L225 Difference]: With dead ends: 140 [2021-12-16 01:01:37,610 INFO L226 Difference]: Without dead ends: 79 [2021-12-16 01:01:37,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,612 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:37,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:37,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-16 01:01:37,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-16 01:01:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 70 states have internal predecessors, (83), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-12-16 01:01:37,619 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 33 [2021-12-16 01:01:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,619 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-12-16 01:01:37,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-12-16 01:01:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 01:01:37,620 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,620 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] [2021-12-16 01:01:37,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:37,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1999351370, now seen corresponding path program 1 times [2021-12-16 01:01:37,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471891823] [2021-12-16 01:01:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 01:01:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471891823] [2021-12-16 01:01:37,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471891823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:37,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829391728] [2021-12-16 01:01:37,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:37,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:37,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:37,689 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:37,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,749 INFO L93 Difference]: Finished difference Result 150 states and 195 transitions. [2021-12-16 01:01:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 01:01:37,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-16 01:01:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,753 INFO L225 Difference]: With dead ends: 150 [2021-12-16 01:01:37,753 INFO L226 Difference]: Without dead ends: 79 [2021-12-16 01:01:37,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:37,755 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 124 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:37,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-16 01:01:37,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-16 01:01:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions. [2021-12-16 01:01:37,768 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 38 [2021-12-16 01:01:37,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,769 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions. [2021-12-16 01:01:37,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2021-12-16 01:01:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-16 01:01:37,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,772 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] [2021-12-16 01:01:37,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:37,773 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,774 INFO L85 PathProgramCache]: Analyzing trace with hash 879947394, now seen corresponding path program 1 times [2021-12-16 01:01:37,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926347518] [2021-12-16 01:01:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 01:01:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926347518] [2021-12-16 01:01:37,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926347518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:37,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006885252] [2021-12-16 01:01:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:37,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:37,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,837 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-12-16 01:01:37,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,873 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2021-12-16 01:01:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:37,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 46 [2021-12-16 01:01:37,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,877 INFO L225 Difference]: With dead ends: 199 [2021-12-16 01:01:37,877 INFO L226 Difference]: Without dead ends: 128 [2021-12-16 01:01:37,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,878 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 59 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:37,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 176 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-12-16 01:01:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2021-12-16 01:01:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 107 states have internal predecessors, (127), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2021-12-16 01:01:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 159 transitions. [2021-12-16 01:01:37,892 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 159 transitions. Word has length 46 [2021-12-16 01:01:37,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,892 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 159 transitions. [2021-12-16 01:01:37,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-12-16 01:01:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2021-12-16 01:01:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 01:01:37,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,893 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] [2021-12-16 01:01:37,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:37,894 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2106872253, now seen corresponding path program 1 times [2021-12-16 01:01:37,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106628515] [2021-12-16 01:01:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 01:01:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 01:01:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:38,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106628515] [2021-12-16 01:01:38,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106628515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 01:01:38,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383171157] [2021-12-16 01:01:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 01:01:38,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 01:01:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:38,020 INFO L87 Difference]: Start difference. First operand 126 states and 159 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 01:01:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:38,209 INFO L93 Difference]: Finished difference Result 280 states and 355 transitions. [2021-12-16 01:01:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 01:01:38,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2021-12-16 01:01:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:38,211 INFO L225 Difference]: With dead ends: 280 [2021-12-16 01:01:38,211 INFO L226 Difference]: Without dead ends: 162 [2021-12-16 01:01:38,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:38,213 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 119 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:38,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 470 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-16 01:01:38,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 148. [2021-12-16 01:01:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-16 01:01:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 185 transitions. [2021-12-16 01:01:38,225 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 185 transitions. Word has length 54 [2021-12-16 01:01:38,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:38,226 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 185 transitions. [2021-12-16 01:01:38,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 01:01:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2021-12-16 01:01:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-16 01:01:38,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:38,230 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] [2021-12-16 01:01:38,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:38,231 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:38,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1055316791, now seen corresponding path program 1 times [2021-12-16 01:01:38,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:38,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886699269] [2021-12-16 01:01:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:38,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 01:01:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:38,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886699269] [2021-12-16 01:01:38,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886699269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:38,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056156467] [2021-12-16 01:01:38,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:38,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:38,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:38,292 INFO L87 Difference]: Start difference. First operand 148 states and 185 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:38,404 INFO L93 Difference]: Finished difference Result 298 states and 383 transitions. [2021-12-16 01:01:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-16 01:01:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:38,409 INFO L225 Difference]: With dead ends: 298 [2021-12-16 01:01:38,409 INFO L226 Difference]: Without dead ends: 158 [2021-12-16 01:01:38,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:38,416 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 71 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:38,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 377 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:38,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-12-16 01:01:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 151. [2021-12-16 01:01:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-16 01:01:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2021-12-16 01:01:38,445 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 56 [2021-12-16 01:01:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:38,445 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2021-12-16 01:01:38,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-12-16 01:01:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-16 01:01:38,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:38,446 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] [2021-12-16 01:01:38,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:38,447 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash -750121543, now seen corresponding path program 1 times [2021-12-16 01:01:38,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:38,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199281201] [2021-12-16 01:01:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:38,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 01:01:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:38,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199281201] [2021-12-16 01:01:38,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199281201] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:38,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125639209] [2021-12-16 01:01:38,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:38,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:38,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:38,500 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:38,580 INFO L93 Difference]: Finished difference Result 304 states and 388 transitions. [2021-12-16 01:01:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 01:01:38,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-16 01:01:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:38,581 INFO L225 Difference]: With dead ends: 304 [2021-12-16 01:01:38,581 INFO L226 Difference]: Without dead ends: 161 [2021-12-16 01:01:38,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:38,582 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 73 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:38,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 296 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:38,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-16 01:01:38,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2021-12-16 01:01:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 129 states have internal predecessors, (151), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-16 01:01:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 190 transitions. [2021-12-16 01:01:38,590 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 190 transitions. Word has length 56 [2021-12-16 01:01:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:38,590 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 190 transitions. [2021-12-16 01:01:38,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2021-12-16 01:01:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-16 01:01:38,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:38,591 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] [2021-12-16 01:01:38,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:38,591 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:38,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:38,591 INFO L85 PathProgramCache]: Analyzing trace with hash -609572933, now seen corresponding path program 1 times [2021-12-16 01:01:38,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:38,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29405170] [2021-12-16 01:01:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:38,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 01:01:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:38,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29405170] [2021-12-16 01:01:38,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29405170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:38,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533240753] [2021-12-16 01:01:38,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:38,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:38,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:38,658 INFO L87 Difference]: Start difference. First operand 153 states and 190 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:38,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:38,800 INFO L93 Difference]: Finished difference Result 430 states and 556 transitions. [2021-12-16 01:01:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:38,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-16 01:01:38,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:38,802 INFO L225 Difference]: With dead ends: 430 [2021-12-16 01:01:38,802 INFO L226 Difference]: Without dead ends: 285 [2021-12-16 01:01:38,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:38,803 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 213 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:38,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 320 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:38,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-12-16 01:01:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2021-12-16 01:01:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 219 states have (on average 1.2191780821917808) internal successors, (267), 231 states have internal predecessors, (267), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2021-12-16 01:01:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 354 transitions. [2021-12-16 01:01:38,814 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 354 transitions. Word has length 56 [2021-12-16 01:01:38,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:38,815 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 354 transitions. [2021-12-16 01:01:38,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 354 transitions. [2021-12-16 01:01:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-16 01:01:38,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:38,815 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] [2021-12-16 01:01:38,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:38,816 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:38,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:38,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1449050389, now seen corresponding path program 1 times [2021-12-16 01:01:38,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:38,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194326985] [2021-12-16 01:01:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:38,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 01:01:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 01:01:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 01:01:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:38,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194326985] [2021-12-16 01:01:38,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194326985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 01:01:38,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463569147] [2021-12-16 01:01:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 01:01:38,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 01:01:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:38,929 INFO L87 Difference]: Start difference. First operand 283 states and 354 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:39,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:39,518 INFO L93 Difference]: Finished difference Result 896 states and 1175 transitions. [2021-12-16 01:01:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-16 01:01:39,519 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2021-12-16 01:01:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:39,522 INFO L225 Difference]: With dead ends: 896 [2021-12-16 01:01:39,522 INFO L226 Difference]: Without dead ends: 672 [2021-12-16 01:01:39,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2021-12-16 01:01:39,524 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 516 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:39,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 915 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2021-12-16 01:01:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 549. [2021-12-16 01:01:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 426 states have (on average 1.2183098591549295) internal successors, (519), 452 states have internal predecessors, (519), 65 states have call successors, (65), 49 states have call predecessors, (65), 57 states have return successors, (104), 67 states have call predecessors, (104), 65 states have call successors, (104) [2021-12-16 01:01:39,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 688 transitions. [2021-12-16 01:01:39,546 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 688 transitions. Word has length 60 [2021-12-16 01:01:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:39,546 INFO L470 AbstractCegarLoop]: Abstraction has 549 states and 688 transitions. [2021-12-16 01:01:39,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 688 transitions. [2021-12-16 01:01:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-16 01:01:39,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:39,548 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:39,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:39,548 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1477759876, now seen corresponding path program 1 times [2021-12-16 01:01:39,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:39,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389860498] [2021-12-16 01:01:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:39,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 01:01:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 01:01:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 01:01:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:39,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:39,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389860498] [2021-12-16 01:01:39,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389860498] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:39,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060959569] [2021-12-16 01:01:39,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:39,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:39,665 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) [2021-12-16 01:01:39,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 01:01:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:39,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:40,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:40,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060959569] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:40,206 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:40,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-16 01:01:40,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920512933] [2021-12-16 01:01:40,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:40,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-16 01:01:40,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-16 01:01:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-16 01:01:40,218 INFO L87 Difference]: Start difference. First operand 549 states and 688 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-16 01:01:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:41,020 INFO L93 Difference]: Finished difference Result 1182 states and 1519 transitions. [2021-12-16 01:01:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-16 01:01:41,020 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 102 [2021-12-16 01:01:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:41,023 INFO L225 Difference]: With dead ends: 1182 [2021-12-16 01:01:41,023 INFO L226 Difference]: Without dead ends: 690 [2021-12-16 01:01:41,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1631, Unknown=0, NotChecked=0, Total=1980 [2021-12-16 01:01:41,026 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 509 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:41,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [510 Valid, 1552 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-16 01:01:41,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-12-16 01:01:41,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 614. [2021-12-16 01:01:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 470 states have (on average 1.2063829787234042) internal successors, (567), 504 states have internal predecessors, (567), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-16 01:01:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 742 transitions. [2021-12-16 01:01:41,052 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 742 transitions. Word has length 102 [2021-12-16 01:01:41,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:41,052 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 742 transitions. [2021-12-16 01:01:41,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-16 01:01:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 742 transitions. [2021-12-16 01:01:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-16 01:01:41,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:41,054 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, 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] [2021-12-16 01:01:41,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:41,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 01:01:41,268 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:41,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:41,268 INFO L85 PathProgramCache]: Analyzing trace with hash 642128758, now seen corresponding path program 1 times [2021-12-16 01:01:41,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:41,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537788319] [2021-12-16 01:01:41,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:41,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 01:01:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 01:01:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-16 01:01:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 01:01:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 01:01:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 01:01:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 01:01:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-12-16 01:01:41,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:41,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537788319] [2021-12-16 01:01:41,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537788319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:41,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:41,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 01:01:41,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619925936] [2021-12-16 01:01:41,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:41,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 01:01:41,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:41,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 01:01:41,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:41,392 INFO L87 Difference]: Start difference. First operand 614 states and 742 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 01:01:41,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:41,619 INFO L93 Difference]: Finished difference Result 1216 states and 1489 transitions. [2021-12-16 01:01:41,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 01:01:41,619 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 184 [2021-12-16 01:01:41,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:41,622 INFO L225 Difference]: With dead ends: 1216 [2021-12-16 01:01:41,622 INFO L226 Difference]: Without dead ends: 659 [2021-12-16 01:01:41,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-12-16 01:01:41,624 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 190 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:41,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 528 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:41,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-12-16 01:01:41,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 623. [2021-12-16 01:01:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 479 states have (on average 1.2025052192066805) internal successors, (576), 513 states have internal predecessors, (576), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-16 01:01:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 751 transitions. [2021-12-16 01:01:41,668 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 751 transitions. Word has length 184 [2021-12-16 01:01:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:41,668 INFO L470 AbstractCegarLoop]: Abstraction has 623 states and 751 transitions. [2021-12-16 01:01:41,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 01:01:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 751 transitions. [2021-12-16 01:01:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-16 01:01:41,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:41,673 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:41,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 01:01:41,673 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:41,673 INFO L85 PathProgramCache]: Analyzing trace with hash 587735860, now seen corresponding path program 1 times [2021-12-16 01:01:41,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:41,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550153411] [2021-12-16 01:01:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:41,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 01:01:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 01:01:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-16 01:01:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 01:01:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 01:01:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 01:01:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 01:01:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 93 proven. 30 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-12-16 01:01:41,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:41,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550153411] [2021-12-16 01:01:41,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550153411] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:41,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740579929] [2021-12-16 01:01:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:41,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:41,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:41,824 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) [2021-12-16 01:01:41,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 01:01:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-16 01:01:41,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-16 01:01:42,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-16 01:01:42,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740579929] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:42,695 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:42,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2021-12-16 01:01:42,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39375910] [2021-12-16 01:01:42,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:42,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-16 01:01:42,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:42,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-16 01:01:42,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2021-12-16 01:01:42,697 INFO L87 Difference]: Start difference. First operand 623 states and 751 transitions. Second operand has 25 states, 25 states have (on average 8.84) internal successors, (221), 22 states have internal predecessors, (221), 10 states have call successors, (31), 8 states have call predecessors, (31), 9 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) [2021-12-16 01:01:43,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:43,341 INFO L93 Difference]: Finished difference Result 1292 states and 1606 transitions. [2021-12-16 01:01:43,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-16 01:01:43,342 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 22 states have internal predecessors, (221), 10 states have call successors, (31), 8 states have call predecessors, (31), 9 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) Word has length 184 [2021-12-16 01:01:43,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:43,342 INFO L225 Difference]: With dead ends: 1292 [2021-12-16 01:01:43,342 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:43,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 385 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=481, Invalid=1775, Unknown=0, NotChecked=0, Total=2256 [2021-12-16 01:01:43,346 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 905 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:43,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 761 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 01:01:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:43,347 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) [2021-12-16 01:01:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:43,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2021-12-16 01:01:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:43,348 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:43,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 22 states have internal predecessors, (221), 10 states have call successors, (31), 8 states have call predecessors, (31), 9 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) [2021-12-16 01:01:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:43,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:43,350 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:43,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:43,563 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,SelfDestructingSolverStorable11 [2021-12-16 01:01:43,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:48,147 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2021-12-16 01:01:48,147 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2021-12-16 01:01:48,148 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: true [2021-12-16 01:01:48,148 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2021-12-16 01:01:48,148 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2021-12-16 01:01:48,148 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-12-16 01:01:48,148 INFO L858 garLoopResultBuilder]: For program point L770-2(lines 766 788) no Hoare annotation was computed. [2021-12-16 01:01:48,148 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 840) no Hoare annotation was computed. [2021-12-16 01:01:48,148 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse8 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse15 (not .cse0))) (let ((.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (and .cse14 .cse4 .cse5 .cse13 .cse7 .cse9 .cse8 .cse15)) (.cse11 (and .cse14 .cse4 .cse5 .cse13 .cse9 .cse15 .cse12)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= ~waterLevel~0 1) (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse3 .cse1 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 (and .cse4 .cse5 .cse6 .cse9 .cse12) .cse2) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse10 .cse11 .cse2) (or .cse0 .cse1 (and .cse4 .cse13 .cse6 .cse9 .cse12) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse3 .cse11 (not (= |old(~waterLevel~0)| 2)) .cse2))))) [2021-12-16 01:01:48,148 INFO L858 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2021-12-16 01:01:48,148 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse3 (not .cse0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse4)))) [2021-12-16 01:01:48,149 INFO L858 garLoopResultBuilder]: For program point L828(lines 828 845) no Hoare annotation was computed. [2021-12-16 01:01:48,149 INFO L854 garLoopResultBuilder]: At program point L973(lines 958 976) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse3 (not .cse0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse4)))) [2021-12-16 01:01:48,149 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 763 789) no Hoare annotation was computed. [2021-12-16 01:01:48,149 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse3 (not .cse0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse4)))) [2021-12-16 01:01:48,149 INFO L854 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse1 (and .cse7 .cse8 (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4 .cse3 .cse6)))) [2021-12-16 01:01:48,149 INFO L858 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed. [2021-12-16 01:01:48,149 INFO L858 garLoopResultBuilder]: For program point L685(line 685) no Hoare annotation was computed. [2021-12-16 01:01:48,150 INFO L854 garLoopResultBuilder]: At program point L838(line 838) the Hoare annotation is: (let ((.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (not .cse0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse7) (or .cse0 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse7 (and .cse1 (= ~waterLevel~0 1) .cse2 .cse3)) (or .cse0 .cse4 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-16 01:01:48,150 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 204) no Hoare annotation was computed. [2021-12-16 01:01:48,150 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 207) no Hoare annotation was computed. [2021-12-16 01:01:48,150 INFO L854 garLoopResultBuilder]: At program point L190-1(lines 182 210) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse7 (= ~pumpRunning~0 0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse5 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse6 (not .cse0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (and .cse18 .cse4 .cse15 .cse19 .cse13 .cse17 .cse5 .cse6)) (.cse10 (and .cse18 .cse4 .cse15 .cse19 .cse5 .cse6 .cse7)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 2) .cse3) (and .cse4 .cse3 .cse5 .cse6 .cse7)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse9 .cse10 .cse11) (let ((.cse12 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or .cse0 .cse1 (and .cse12 .cse13 .cse5) .cse2 (and .cse12 (<= 1 ~pumpRunning~0) .cse5) .cse14)) (let ((.cse16 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse4 .cse15 .cse16 .cse13 .cse17 .cse5) (and .cse4 .cse15 .cse16 .cse5 .cse6 .cse7) .cse14 .cse11)) (or .cse0 (and .cse4 .cse15 .cse3 .cse5 .cse6 .cse7) (and .cse4 .cse15 .cse3 .cse13 .cse17 .cse5) .cse8 .cse9 .cse10 (not (<= |old(~waterLevel~0)| 1)) .cse11))))) [2021-12-16 01:01:48,150 INFO L854 garLoopResultBuilder]: At program point L880(lines 875 882) the Hoare annotation is: (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 (<= ~waterLevel~0 1) (not .cse0) .cse4)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse4) (not (<= |old(~waterLevel~0)| 1)) .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse5) (or .cse0 .cse6 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5)))) [2021-12-16 01:01:48,150 INFO L854 garLoopResultBuilder]: At program point L686(lines 681 688) 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 .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-16 01:01:48,150 INFO L854 garLoopResultBuilder]: At program point L843(line 843) 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 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-16 01:01:48,150 INFO L854 garLoopResultBuilder]: At program point L843-1(lines 824 848) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse0 (= 0 ~systemActive~0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse14 .cse6 .cse15 .cse8)) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (and .cse14 .cse6 .cse15 .cse9 .cse10 (not .cse0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse0 .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse7 .cse8) .cse4 (and .cse6 .cse7 .cse9 .cse10))) (or .cse0 (and .cse6 .cse11 .cse9 .cse10) .cse1 .cse2 (and .cse6 .cse11 .cse8) .cse3 .cse12 .cse4) (or .cse0 .cse5 (and .cse11 (<= 1 ~pumpRunning~0)) (and .cse11 .cse8) .cse13) (or .cse0 .cse13 .cse12 .cse8)))) [2021-12-16 01:01:48,150 INFO L858 garLoopResultBuilder]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2021-12-16 01:01:48,150 INFO L858 garLoopResultBuilder]: For program point L967(lines 967 971) no Hoare annotation was computed. [2021-12-16 01:01:48,150 INFO L858 garLoopResultBuilder]: For program point L967-2(lines 967 971) no Hoare annotation was computed. [2021-12-16 01:01:48,151 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and .cse13 .cse9 .cse14 .cse10 .cse3 .cse11 (not .cse0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (and .cse13 .cse9 .cse14 .cse3 .cse4)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) .cse2 (<= 1 ~pumpRunning~0) .cse3) (and .cse2 .cse3 .cse4)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse7 .cse8) (or .cse0 (and .cse9 .cse2 .cse3 .cse4) .cse1 .cse5 .cse6 (and .cse9 .cse2 .cse10 .cse11 .cse3) .cse7 .cse8) (let ((.cse12 (= ~waterLevel~0 1))) (or .cse0 (and .cse9 .cse12 .cse10 .cse11 .cse3) .cse1 (and .cse9 .cse12 .cse3 .cse4) (not (< 1 |old(~waterLevel~0)|)) .cse8))))) [2021-12-16 01:01:48,151 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2021-12-16 01:01:48,151 INFO L854 garLoopResultBuilder]: At program point L179(lines 172 181) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (and (<= 1 ~switchedOnBeforeTS~0) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4)))) [2021-12-16 01:01:48,151 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 763 789) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse1 (and .cse7 .cse8 (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4 .cse3 .cse6)))) [2021-12-16 01:01:48,151 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 763 789) no Hoare annotation was computed. [2021-12-16 01:01:48,151 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2021-12-16 01:01:48,151 INFO L858 garLoopResultBuilder]: For program point L770(lines 770 776) no Hoare annotation was computed. [2021-12-16 01:01:48,152 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 580 609) no Hoare annotation was computed. [2021-12-16 01:01:48,152 INFO L861 garLoopResultBuilder]: At program point L605(lines 580 609) the Hoare annotation is: true [2021-12-16 01:01:48,152 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 580 609) the Hoare annotation is: true [2021-12-16 01:01:48,152 INFO L858 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2021-12-16 01:01:48,152 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-12-16 01:01:48,152 INFO L861 garLoopResultBuilder]: At program point L594-1(lines 594 598) the Hoare annotation is: true [2021-12-16 01:01:48,152 INFO L858 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-12-16 01:01:48,152 INFO L861 garLoopResultBuilder]: At program point L590-2(lines 590 604) the Hoare annotation is: true [2021-12-16 01:01:48,152 INFO L861 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: true [2021-12-16 01:01:48,153 INFO L858 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2021-12-16 01:01:48,153 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2021-12-16 01:01:48,153 INFO L858 garLoopResultBuilder]: For program point L667-2(lines 667 674) no Hoare annotation was computed. [2021-12-16 01:01:48,153 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-12-16 01:01:48,153 INFO L858 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2021-12-16 01:01:48,153 INFO L861 garLoopResultBuilder]: At program point L651(lines 643 653) the Hoare annotation is: true [2021-12-16 01:01:48,153 INFO L854 garLoopResultBuilder]: At program point L746(lines 701 748) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:48,153 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-16 01:01:48,154 INFO L861 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2021-12-16 01:01:48,154 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:48,154 INFO L854 garLoopResultBuilder]: At program point L639(lines 635 641) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~4#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:48,154 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:48,154 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:48,154 INFO L854 garLoopResultBuilder]: At program point L982(lines 977 984) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (and .cse0 (= ~waterLevel~0 2) .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:48,154 INFO L854 garLoopResultBuilder]: At program point L169(lines 164 171) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~4#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:48,154 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2021-12-16 01:01:48,155 INFO L854 garLoopResultBuilder]: At program point L739-2(lines 731 744) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (and .cse0 (= ~waterLevel~0 2) .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:48,155 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:48,155 INFO L858 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2021-12-16 01:01:48,155 INFO L858 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2021-12-16 01:01:48,155 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:48,155 INFO L854 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (and .cse0 (= ~waterLevel~0 2) .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:48,155 INFO L854 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:48,155 INFO L861 garLoopResultBuilder]: At program point L752(lines 691 756) the Hoare annotation is: true [2021-12-16 01:01:48,156 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-12-16 01:01:48,156 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-12-16 01:01:48,156 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-12-16 01:01:48,156 INFO L854 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2021-12-16 01:01:48,156 INFO L854 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 01:01:48,156 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-12-16 01:01:48,156 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 798 822) 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)|))))) [2021-12-16 01:01:48,156 INFO L854 garLoopResultBuilder]: At program point L865-2(lines 858 874) 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)))) [2021-12-16 01:01:48,157 INFO L854 garLoopResultBuilder]: At program point L954(lines 939 957) 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 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse1) (and (= ~waterLevel~0 2) .cse1))))) [2021-12-16 01:01:48,157 INFO L854 garLoopResultBuilder]: At program point L890(lines 883 893) 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))))) [2021-12-16 01:01:48,157 INFO L858 garLoopResultBuilder]: For program point L948(lines 948 952) no Hoare annotation was computed. [2021-12-16 01:01:48,157 INFO L858 garLoopResultBuilder]: For program point L948-2(lines 948 952) no Hoare annotation was computed. [2021-12-16 01:01:48,157 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-12-16 01:01:48,157 INFO L854 garLoopResultBuilder]: At program point L812(line 812) 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 (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:48,157 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 814) no Hoare annotation was computed. [2021-12-16 01:01:48,157 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 819) no Hoare annotation was computed. [2021-12-16 01:01:48,158 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 798 822) no Hoare annotation was computed. [2021-12-16 01:01:48,158 INFO L854 garLoopResultBuilder]: At program point L854(lines 849 856) 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 (not (= ~waterLevel~0 2)) (<= 1 ~pumpRunning~0) .cse2))) [2021-12-16 01:01:48,158 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)))) [2021-12-16 01:01:48,158 INFO L854 garLoopResultBuilder]: At program point L817(line 817) 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)|))))) [2021-12-16 01:01:48,158 INFO L858 garLoopResultBuilder]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2021-12-16 01:01:48,158 INFO L854 garLoopResultBuilder]: At program point L101(lines 96 104) 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))))) [2021-12-16 01:01:48,158 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2021-12-16 01:01:48,158 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2021-12-16 01:01:48,159 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 0 ~systemActive~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 .cse0 .cse4 .cse2 .cse3) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse5) (or .cse0 .cse4 .cse2 .cse5))) [2021-12-16 01:01:48,159 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 894 902) no Hoare annotation was computed. [2021-12-16 01:01:48,159 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 894 902) the Hoare annotation is: true [2021-12-16 01:01:48,159 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 894 902) no Hoare annotation was computed. [2021-12-16 01:01:48,161 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:48,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:48,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:48 BoogieIcfgContainer [2021-12-16 01:01:48,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:48,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:48,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:48,188 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:48,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:37" (3/4) ... [2021-12-16 01:01:48,190 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:48,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:48,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:48,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:48,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:48,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:48,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:48,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:48,203 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-12-16 01:01:48,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:48,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:48,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:48,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:48,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:48,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:48,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 01:01:48,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 01:01:48,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 01:01:48,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) [2021-12-16 01:01:48,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,224 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 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0) [2021-12-16 01:01:48,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && waterLevel == \old(waterLevel))) || ((((tmp == waterLevel && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((tmp == 2 && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || !(\old(pumpRunning) == 0)) || ((tmp == 2 && 1 <= pumpRunning) && \result == waterLevel)) || !(1 < \old(waterLevel)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == systemActive || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || pumpRunning == 0) [2021-12-16 01:01:48,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,226 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 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 || 0 == systemActive) || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) [2021-12-16 01:01:48,226 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 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-16 01:01:48,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:48,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-16 01:01:48,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-16 01:01:48,229 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) [2021-12-16 01:01:48,229 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 || !(waterLevel == 2)) || 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:48,259 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:48,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:48,260 INFO L158 Benchmark]: Toolchain (without parser) took 11907.00ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 62.2MB in the beginning and 50.6MB in the end (delta: 11.6MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,260 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:48,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.25ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.9MB in the beginning and 80.9MB in the end (delta: -19.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.93ms. Allocated memory is still 113.2MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,261 INFO L158 Benchmark]: Boogie Preprocessor took 38.21ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,261 INFO L158 Benchmark]: RCFGBuilder took 351.07ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 59.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,261 INFO L158 Benchmark]: TraceAbstraction took 11049.55ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 59.1MB in the beginning and 57.9MB in the end (delta: 1.1MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,262 INFO L158 Benchmark]: Witness Printer took 71.94ms. Allocated memory is still 163.6MB. Free memory was 57.9MB in the beginning and 50.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 01:01:48,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.25ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.9MB in the beginning and 80.9MB in the end (delta: -19.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.93ms. Allocated memory is still 113.2MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.21ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.07ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 59.2MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11049.55ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 59.1MB in the beginning and 57.9MB in the end (delta: 1.1MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Witness Printer took 71.94ms. Allocated memory is still 163.6MB. Free memory was 57.9MB in the beginning and 50.6MB in the end (delta: 7.3MB). 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: 685]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2830 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2792 mSDsluCounter, 5948 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4434 mSDsCounter, 903 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3427 IncrementalHoareTripleChecker+Invalid, 4330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 903 mSolverCounterUnsat, 1514 mSDtfsCounter, 3427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 901 GetRequests, 720 SyntacticMatches, 7 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=623occurred in iteration=11, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 268 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1744 PreInvPairs, 2041 NumberOfFragments, 2937 HoareAnnotationTreeSize, 1744 FomulaSimplifications, 2083 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 23776 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 2903 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1213 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 825/929 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: 635]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: ((((((((0 == systemActive || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || pumpRunning == 0) - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && waterLevel == \old(waterLevel))) || ((((tmp == waterLevel && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((tmp == 2 && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || !(\old(pumpRunning) == 0)) || ((tmp == 2 && 1 <= pumpRunning) && \result == waterLevel)) || !(1 < \old(waterLevel)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 858]: 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: 1004]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((\result == 1 || 0 == systemActive) || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel == 2)) || 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:48,327 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