./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product25.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 b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:07:23,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:07:23,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:07:23,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:07:23,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:07:23,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:07:23,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:07:23,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:07:23,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:07:23,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:07:23,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:07:23,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:07:23,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:07:23,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:07:23,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:07:23,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:07:23,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:07:23,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:07:23,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:07:23,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:07:23,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:07:23,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:07:23,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:07:23,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:07:23,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:07:23,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:07:23,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:07:23,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:07:23,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:07:23,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:07:23,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:07:23,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:07:23,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:07:23,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:07:23,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:07:23,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:07:23,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:07:23,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:07:23,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:07:23,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:07:23,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:07:23,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:07:23,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:07:23,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:07:23,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:07:23,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:07:23,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:07:23,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:07:23,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:07:23,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:07:23,267 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:07:23,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:07:23,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:07:23,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:07:23,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:07:23,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:07:23,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:07:23,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:07:23,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:07:23,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:07:23,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:23,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:07:23,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:07:23,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:07:23,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:07:23,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:07:23,272 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:07:23,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:07:23,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:07:23,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 [2022-02-20 18:07:23,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:07:23,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:07:23,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:07:23,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:07:23,494 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:07:23,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2022-02-20 18:07:23,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ed0ca1a/380254fb583a4591ab07172efb1d518c/FLAG7a0f4b440 [2022-02-20 18:07:23,915 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:07:23,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2022-02-20 18:07:23,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ed0ca1a/380254fb583a4591ab07172efb1d518c/FLAG7a0f4b440 [2022-02-20 18:07:24,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ed0ca1a/380254fb583a4591ab07172efb1d518c [2022-02-20 18:07:24,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:07:24,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:07:24,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:24,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:07:24,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:07:24,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c18e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24, skipping insertion in model container [2022-02-20 18:07:24,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:07:24,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:07:24,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2022-02-20 18:07:24,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:24,666 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:07:24,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2022-02-20 18:07:24,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:24,755 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:07:24,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24 WrapperNode [2022-02-20 18:07:24,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:24,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:24,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:07:24,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:07:24,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,814 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 221 [2022-02-20 18:07:24,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:24,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:07:24,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:07:24,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:07:24,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:07:24,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:07:24,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:07:24,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:07:24,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (1/1) ... [2022-02-20 18:07:24,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:24,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:07:24,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:07:24,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:07:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:07:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-02-20 18:07:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-02-20 18:07:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:07:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:07:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:07:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:07:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:07:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:07:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:07:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:07:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:07:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:07:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:07:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:07:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:07:25,003 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:07:25,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:07:25,228 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:07:25,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:07:25,234 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:07:25,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:25 BoogieIcfgContainer [2022-02-20 18:07:25,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:07:25,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:07:25,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:07:25,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:07:25,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:07:24" (1/3) ... [2022-02-20 18:07:25,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d471872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:25, skipping insertion in model container [2022-02-20 18:07:25,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:24" (2/3) ... [2022-02-20 18:07:25,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d471872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:25, skipping insertion in model container [2022-02-20 18:07:25,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:25" (3/3) ... [2022-02-20 18:07:25,242 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2022-02-20 18:07:25,245 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:07:25,245 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:07:25,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:07:25,283 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 [2022-02-20 18:07:25,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:07:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 58 states have (on average 1.396551724137931) internal successors, (81), 64 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-02-20 18:07:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:07:25,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:25,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:07:25,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:25,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:25,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1185983518, now seen corresponding path program 1 times [2022-02-20 18:07:25,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:25,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724588276] [2022-02-20 18:07:25,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:25,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:07:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:25,571 INFO L290 TraceCheckUtils]: 0: Hoare triple {78#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {78#true} is VALID [2022-02-20 18:07:25,572 INFO L290 TraceCheckUtils]: 1: Hoare triple {78#true} assume true; {78#true} is VALID [2022-02-20 18:07:25,572 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {78#true} {79#false} #204#return; {79#false} is VALID [2022-02-20 18:07:25,580 INFO L290 TraceCheckUtils]: 0: Hoare triple {78#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {78#true} is VALID [2022-02-20 18:07:25,581 INFO L290 TraceCheckUtils]: 1: Hoare triple {78#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {78#true} is VALID [2022-02-20 18:07:25,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {78#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {78#true} is VALID [2022-02-20 18:07:25,581 INFO L290 TraceCheckUtils]: 3: Hoare triple {78#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {78#true} is VALID [2022-02-20 18:07:25,581 INFO L290 TraceCheckUtils]: 4: Hoare triple {78#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {78#true} is VALID [2022-02-20 18:07:25,581 INFO L290 TraceCheckUtils]: 5: Hoare triple {78#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {78#true} is VALID [2022-02-20 18:07:25,582 INFO L290 TraceCheckUtils]: 6: Hoare triple {78#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {78#true} is VALID [2022-02-20 18:07:25,582 INFO L290 TraceCheckUtils]: 7: Hoare triple {78#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {78#true} is VALID [2022-02-20 18:07:25,590 INFO L290 TraceCheckUtils]: 8: Hoare triple {78#true} assume !true; {79#false} is VALID [2022-02-20 18:07:25,590 INFO L272 TraceCheckUtils]: 9: Hoare triple {79#false} call cleanup(); {79#false} is VALID [2022-02-20 18:07:25,591 INFO L290 TraceCheckUtils]: 10: Hoare triple {79#false} havoc ~i~0;havoc ~__cil_tmp2~0; {79#false} is VALID [2022-02-20 18:07:25,591 INFO L272 TraceCheckUtils]: 11: Hoare triple {79#false} call timeShift(); {79#false} is VALID [2022-02-20 18:07:25,591 INFO L290 TraceCheckUtils]: 12: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2022-02-20 18:07:25,591 INFO L290 TraceCheckUtils]: 13: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2022-02-20 18:07:25,592 INFO L290 TraceCheckUtils]: 14: Hoare triple {79#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {79#false} is VALID [2022-02-20 18:07:25,592 INFO L272 TraceCheckUtils]: 15: Hoare triple {79#false} call __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical(); {78#true} is VALID [2022-02-20 18:07:25,592 INFO L290 TraceCheckUtils]: 16: Hoare triple {78#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {78#true} is VALID [2022-02-20 18:07:25,592 INFO L290 TraceCheckUtils]: 17: Hoare triple {78#true} assume true; {78#true} is VALID [2022-02-20 18:07:25,592 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {78#true} {79#false} #204#return; {79#false} is VALID [2022-02-20 18:07:25,592 INFO L290 TraceCheckUtils]: 19: Hoare triple {79#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret27#1 && __utac_acc__Specification2_spec__2_#t~ret27#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; {79#false} is VALID [2022-02-20 18:07:25,593 INFO L290 TraceCheckUtils]: 20: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {79#false} is VALID [2022-02-20 18:07:25,593 INFO L290 TraceCheckUtils]: 21: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret28#1 && __utac_acc__Specification2_spec__2_#t~ret28#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; {79#false} is VALID [2022-02-20 18:07:25,593 INFO L290 TraceCheckUtils]: 22: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {79#false} is VALID [2022-02-20 18:07:25,593 INFO L290 TraceCheckUtils]: 23: Hoare triple {79#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {79#false} is VALID [2022-02-20 18:07:25,593 INFO L290 TraceCheckUtils]: 24: Hoare triple {79#false} assume !false; {79#false} is VALID [2022-02-20 18:07:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:25,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:25,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724588276] [2022-02-20 18:07:25,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724588276] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:25,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:25,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:07:25,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285742379] [2022-02-20 18:07:25,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:25,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-20 18:07:25,601 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:25,604 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:25,654 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:25,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:07:25,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:25,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:07:25,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:07:25,691 INFO L87 Difference]: Start difference. First operand has 75 states, 58 states have (on average 1.396551724137931) internal successors, (81), 64 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:25,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:25,807 INFO L93 Difference]: Finished difference Result 141 states and 192 transitions. [2022-02-20 18:07:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:07:25,807 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-20 18:07:25,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 192 transitions. [2022-02-20 18:07:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 192 transitions. [2022-02-20 18:07:25,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 192 transitions. [2022-02-20 18:07:26,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:26,031 INFO L225 Difference]: With dead ends: 141 [2022-02-20 18:07:26,031 INFO L226 Difference]: Without dead ends: 66 [2022-02-20 18:07:26,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:07:26,039 INFO L933 BasicCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:26,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:26,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-02-20 18:07:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-02-20 18:07:26,075 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:26,077 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:07:26,078 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:07:26,079 INFO L87 Difference]: Start difference. First operand 66 states. Second operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:07:26,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,089 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2022-02-20 18:07:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-02-20 18:07:26,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:26,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:26,093 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand 66 states. [2022-02-20 18:07:26,094 INFO L87 Difference]: Start difference. First operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand 66 states. [2022-02-20 18:07:26,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,099 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2022-02-20 18:07:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-02-20 18:07:26,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:26,100 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:26,101 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:26,101 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:07:26,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2022-02-20 18:07:26,106 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 25 [2022-02-20 18:07:26,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:26,107 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2022-02-20 18:07:26,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-02-20 18:07:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 18:07:26,108 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:26,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:07:26,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:07:26,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1522333446, now seen corresponding path program 1 times [2022-02-20 18:07:26,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:26,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849748398] [2022-02-20 18:07:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 18:07:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,207 INFO L290 TraceCheckUtils]: 0: Hoare triple {515#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {515#true} is VALID [2022-02-20 18:07:26,207 INFO L290 TraceCheckUtils]: 1: Hoare triple {515#true} assume true; {515#true} is VALID [2022-02-20 18:07:26,208 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {515#true} {516#false} #204#return; {516#false} is VALID [2022-02-20 18:07:26,208 INFO L290 TraceCheckUtils]: 0: Hoare triple {515#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {515#true} is VALID [2022-02-20 18:07:26,208 INFO L290 TraceCheckUtils]: 1: Hoare triple {515#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {515#true} is VALID [2022-02-20 18:07:26,208 INFO L290 TraceCheckUtils]: 2: Hoare triple {515#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {515#true} is VALID [2022-02-20 18:07:26,208 INFO L290 TraceCheckUtils]: 3: Hoare triple {515#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {515#true} is VALID [2022-02-20 18:07:26,209 INFO L290 TraceCheckUtils]: 4: Hoare triple {515#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {515#true} is VALID [2022-02-20 18:07:26,209 INFO L290 TraceCheckUtils]: 5: Hoare triple {515#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {515#true} is VALID [2022-02-20 18:07:26,209 INFO L290 TraceCheckUtils]: 6: Hoare triple {515#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {515#true} is VALID [2022-02-20 18:07:26,209 INFO L290 TraceCheckUtils]: 7: Hoare triple {515#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {517#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:26,210 INFO L290 TraceCheckUtils]: 8: Hoare triple {517#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {517#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:26,210 INFO L290 TraceCheckUtils]: 9: Hoare triple {517#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {516#false} is VALID [2022-02-20 18:07:26,211 INFO L272 TraceCheckUtils]: 10: Hoare triple {516#false} call cleanup(); {516#false} is VALID [2022-02-20 18:07:26,211 INFO L290 TraceCheckUtils]: 11: Hoare triple {516#false} havoc ~i~0;havoc ~__cil_tmp2~0; {516#false} is VALID [2022-02-20 18:07:26,211 INFO L272 TraceCheckUtils]: 12: Hoare triple {516#false} call timeShift(); {516#false} is VALID [2022-02-20 18:07:26,211 INFO L290 TraceCheckUtils]: 13: Hoare triple {516#false} assume !(0 != ~pumpRunning~0); {516#false} is VALID [2022-02-20 18:07:26,211 INFO L290 TraceCheckUtils]: 14: Hoare triple {516#false} assume !(0 != ~systemActive~0); {516#false} is VALID [2022-02-20 18:07:26,211 INFO L290 TraceCheckUtils]: 15: Hoare triple {516#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {516#false} is VALID [2022-02-20 18:07:26,212 INFO L272 TraceCheckUtils]: 16: Hoare triple {516#false} call __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical(); {515#true} is VALID [2022-02-20 18:07:26,212 INFO L290 TraceCheckUtils]: 17: Hoare triple {515#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {515#true} is VALID [2022-02-20 18:07:26,212 INFO L290 TraceCheckUtils]: 18: Hoare triple {515#true} assume true; {515#true} is VALID [2022-02-20 18:07:26,212 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {515#true} {516#false} #204#return; {516#false} is VALID [2022-02-20 18:07:26,212 INFO L290 TraceCheckUtils]: 20: Hoare triple {516#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret27#1 && __utac_acc__Specification2_spec__2_#t~ret27#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; {516#false} is VALID [2022-02-20 18:07:26,212 INFO L290 TraceCheckUtils]: 21: Hoare triple {516#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {516#false} is VALID [2022-02-20 18:07:26,213 INFO L290 TraceCheckUtils]: 22: Hoare triple {516#false} __utac_acc__Specification2_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret28#1 && __utac_acc__Specification2_spec__2_#t~ret28#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; {516#false} is VALID [2022-02-20 18:07:26,213 INFO L290 TraceCheckUtils]: 23: Hoare triple {516#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {516#false} is VALID [2022-02-20 18:07:26,213 INFO L290 TraceCheckUtils]: 24: Hoare triple {516#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {516#false} is VALID [2022-02-20 18:07:26,213 INFO L290 TraceCheckUtils]: 25: Hoare triple {516#false} assume !false; {516#false} is VALID [2022-02-20 18:07:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:26,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:26,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849748398] [2022-02-20 18:07:26,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849748398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:26,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:26,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:07:26,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459202658] [2022-02-20 18:07:26,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:26,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-20 18:07:26,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:26,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,249 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:26,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:07:26,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:26,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:07:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:26,252 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,328 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2022-02-20 18:07:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:07:26,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-20 18:07:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2022-02-20 18:07:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2022-02-20 18:07:26,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 123 transitions. [2022-02-20 18:07:26,416 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:26,420 INFO L225 Difference]: With dead ends: 97 [2022-02-20 18:07:26,420 INFO L226 Difference]: Without dead ends: 57 [2022-02-20 18:07:26,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:26,426 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:26,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:26,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-02-20 18:07:26,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-02-20 18:07:26,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:26,440 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,441 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,441 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,447 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2022-02-20 18:07:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-02-20 18:07:26,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:26,448 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:26,449 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 57 states. [2022-02-20 18:07:26,449 INFO L87 Difference]: Start difference. First operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 57 states. [2022-02-20 18:07:26,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,451 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2022-02-20 18:07:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-02-20 18:07:26,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:26,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:26,452 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:26,452 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-02-20 18:07:26,457 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 26 [2022-02-20 18:07:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:26,458 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-02-20 18:07:26,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,459 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-02-20 18:07:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:07:26,460 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:26,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:07:26,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:07:26,461 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:26,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:26,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1371318184, now seen corresponding path program 1 times [2022-02-20 18:07:26,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:26,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771706443] [2022-02-20 18:07:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:26,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:07:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,548 INFO L290 TraceCheckUtils]: 0: Hoare triple {857#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {857#true} is VALID [2022-02-20 18:07:26,548 INFO L290 TraceCheckUtils]: 1: Hoare triple {857#true} assume true; {857#true} is VALID [2022-02-20 18:07:26,548 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {857#true} {858#false} #204#return; {858#false} is VALID [2022-02-20 18:07:26,550 INFO L290 TraceCheckUtils]: 0: Hoare triple {857#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {859#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:26,550 INFO L290 TraceCheckUtils]: 1: Hoare triple {859#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {859#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:26,551 INFO L290 TraceCheckUtils]: 2: Hoare triple {859#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {859#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:07:26,551 INFO L290 TraceCheckUtils]: 3: Hoare triple {859#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {860#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-20 18:07:26,552 INFO L290 TraceCheckUtils]: 4: Hoare triple {860#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {861#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-20 18:07:26,552 INFO L290 TraceCheckUtils]: 5: Hoare triple {861#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,552 INFO L290 TraceCheckUtils]: 6: Hoare triple {862#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,553 INFO L290 TraceCheckUtils]: 7: Hoare triple {862#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,553 INFO L290 TraceCheckUtils]: 8: Hoare triple {862#(not (= 0 ~systemActive~0))} assume !false; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,554 INFO L290 TraceCheckUtils]: 9: Hoare triple {862#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,554 INFO L290 TraceCheckUtils]: 10: Hoare triple {862#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp~1#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,554 INFO L290 TraceCheckUtils]: 11: Hoare triple {862#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~1#1); {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,555 INFO L290 TraceCheckUtils]: 12: Hoare triple {862#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,555 INFO L290 TraceCheckUtils]: 13: Hoare triple {862#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,556 INFO L290 TraceCheckUtils]: 14: Hoare triple {862#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet8#1 && test_#t~nondet8#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,556 INFO L290 TraceCheckUtils]: 15: Hoare triple {862#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,557 INFO L272 TraceCheckUtils]: 16: Hoare triple {862#(not (= 0 ~systemActive~0))} call timeShift(); {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,557 INFO L290 TraceCheckUtils]: 17: Hoare triple {862#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {862#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:26,557 INFO L290 TraceCheckUtils]: 18: Hoare triple {862#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {858#false} is VALID [2022-02-20 18:07:26,557 INFO L290 TraceCheckUtils]: 19: Hoare triple {858#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {858#false} is VALID [2022-02-20 18:07:26,558 INFO L272 TraceCheckUtils]: 20: Hoare triple {858#false} call __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical(); {857#true} is VALID [2022-02-20 18:07:26,558 INFO L290 TraceCheckUtils]: 21: Hoare triple {857#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {857#true} is VALID [2022-02-20 18:07:26,558 INFO L290 TraceCheckUtils]: 22: Hoare triple {857#true} assume true; {857#true} is VALID [2022-02-20 18:07:26,558 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {857#true} {858#false} #204#return; {858#false} is VALID [2022-02-20 18:07:26,558 INFO L290 TraceCheckUtils]: 24: Hoare triple {858#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret27#1 && __utac_acc__Specification2_spec__2_#t~ret27#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; {858#false} is VALID [2022-02-20 18:07:26,558 INFO L290 TraceCheckUtils]: 25: Hoare triple {858#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {858#false} is VALID [2022-02-20 18:07:26,559 INFO L290 TraceCheckUtils]: 26: Hoare triple {858#false} __utac_acc__Specification2_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret28#1 && __utac_acc__Specification2_spec__2_#t~ret28#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; {858#false} is VALID [2022-02-20 18:07:26,559 INFO L290 TraceCheckUtils]: 27: Hoare triple {858#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {858#false} is VALID [2022-02-20 18:07:26,559 INFO L290 TraceCheckUtils]: 28: Hoare triple {858#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {858#false} is VALID [2022-02-20 18:07:26,559 INFO L290 TraceCheckUtils]: 29: Hoare triple {858#false} assume !false; {858#false} is VALID [2022-02-20 18:07:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:26,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:26,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771706443] [2022-02-20 18:07:26,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771706443] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:26,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:26,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:07:26,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521681391] [2022-02-20 18:07:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:26,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:07:26,561 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:26,561 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,580 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:26,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:07:26,581 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:26,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:07:26,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:07:26,582 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,740 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2022-02-20 18:07:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:07:26,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:07:26,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 137 transitions. [2022-02-20 18:07:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 137 transitions. [2022-02-20 18:07:26,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 137 transitions. [2022-02-20 18:07:26,841 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:26,843 INFO L225 Difference]: With dead ends: 106 [2022-02-20 18:07:26,843 INFO L226 Difference]: Without dead ends: 57 [2022-02-20 18:07:26,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 18:07:26,845 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 100 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:26,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 143 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-02-20 18:07:26,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-02-20 18:07:26,849 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:26,850 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,850 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,851 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,853 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-02-20 18:07:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-02-20 18:07:26,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:26,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:26,854 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 57 states. [2022-02-20 18:07:26,854 INFO L87 Difference]: Start difference. First operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 57 states. [2022-02-20 18:07:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:26,856 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-02-20 18:07:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-02-20 18:07:26,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:26,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:26,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:26,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:07:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-02-20 18:07:26,859 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 30 [2022-02-20 18:07:26,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:26,859 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-02-20 18:07:26,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-02-20 18:07:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-20 18:07:26,860 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:26,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:07:26,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:07:26,861 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:26,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash -61183032, now seen corresponding path program 1 times [2022-02-20 18:07:26,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:26,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283842087] [2022-02-20 18:07:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:07:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,928 INFO L290 TraceCheckUtils]: 0: Hoare triple {1216#true} assume true; {1216#true} is VALID [2022-02-20 18:07:26,929 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1216#true} {1218#(= ~pumpRunning~0 0)} #202#return; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 18:07:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:26,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {1216#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1216#true} is VALID [2022-02-20 18:07:26,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {1216#true} assume true; {1216#true} is VALID [2022-02-20 18:07:26,936 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1216#true} {1218#(= ~pumpRunning~0 0)} #204#return; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,936 INFO L290 TraceCheckUtils]: 0: Hoare triple {1216#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,937 INFO L290 TraceCheckUtils]: 1: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,937 INFO L290 TraceCheckUtils]: 2: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,938 INFO L290 TraceCheckUtils]: 3: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,938 INFO L290 TraceCheckUtils]: 4: Hoare triple {1218#(= ~pumpRunning~0 0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,938 INFO L290 TraceCheckUtils]: 5: Hoare triple {1218#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,939 INFO L290 TraceCheckUtils]: 6: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,939 INFO L290 TraceCheckUtils]: 7: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,940 INFO L290 TraceCheckUtils]: 8: Hoare triple {1218#(= ~pumpRunning~0 0)} assume !false; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,940 INFO L290 TraceCheckUtils]: 9: Hoare triple {1218#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,940 INFO L290 TraceCheckUtils]: 10: Hoare triple {1218#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp~1#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,941 INFO L290 TraceCheckUtils]: 11: Hoare triple {1218#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~1#1); {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,941 INFO L290 TraceCheckUtils]: 12: Hoare triple {1218#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,942 INFO L290 TraceCheckUtils]: 13: Hoare triple {1218#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,942 INFO L290 TraceCheckUtils]: 14: Hoare triple {1218#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet8#1 && test_#t~nondet8#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,942 INFO L290 TraceCheckUtils]: 15: Hoare triple {1218#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,943 INFO L272 TraceCheckUtils]: 16: Hoare triple {1218#(= ~pumpRunning~0 0)} call timeShift(); {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,943 INFO L290 TraceCheckUtils]: 17: Hoare triple {1218#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,944 INFO L290 TraceCheckUtils]: 18: Hoare triple {1218#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,945 INFO L290 TraceCheckUtils]: 19: Hoare triple {1218#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,945 INFO L272 TraceCheckUtils]: 20: Hoare triple {1218#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {1216#true} is VALID [2022-02-20 18:07:26,946 INFO L290 TraceCheckUtils]: 21: Hoare triple {1216#true} assume true; {1216#true} is VALID [2022-02-20 18:07:26,946 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1216#true} {1218#(= ~pumpRunning~0 0)} #202#return; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,947 INFO L290 TraceCheckUtils]: 23: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,947 INFO L290 TraceCheckUtils]: 24: Hoare triple {1218#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,947 INFO L272 TraceCheckUtils]: 25: Hoare triple {1218#(= ~pumpRunning~0 0)} call __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical(); {1216#true} is VALID [2022-02-20 18:07:26,947 INFO L290 TraceCheckUtils]: 26: Hoare triple {1216#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1216#true} is VALID [2022-02-20 18:07:26,948 INFO L290 TraceCheckUtils]: 27: Hoare triple {1216#true} assume true; {1216#true} is VALID [2022-02-20 18:07:26,948 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1216#true} {1218#(= ~pumpRunning~0 0)} #204#return; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,949 INFO L290 TraceCheckUtils]: 29: Hoare triple {1218#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret27#1 && __utac_acc__Specification2_spec__2_#t~ret27#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; {1218#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:26,949 INFO L290 TraceCheckUtils]: 30: Hoare triple {1218#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {1224#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:07:26,950 INFO L290 TraceCheckUtils]: 31: Hoare triple {1224#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification2_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret28#1 && __utac_acc__Specification2_spec__2_#t~ret28#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; {1225#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~2#1| 0)} is VALID [2022-02-20 18:07:26,950 INFO L290 TraceCheckUtils]: 32: Hoare triple {1225#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~2#1| 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {1217#false} is VALID [2022-02-20 18:07:26,950 INFO L290 TraceCheckUtils]: 33: Hoare triple {1217#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {1217#false} is VALID [2022-02-20 18:07:26,950 INFO L290 TraceCheckUtils]: 34: Hoare triple {1217#false} assume !false; {1217#false} is VALID [2022-02-20 18:07:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:07:26,951 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:26,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283842087] [2022-02-20 18:07:26,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283842087] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:26,951 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:26,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:07:26,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052839007] [2022-02-20 18:07:26,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:26,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-02-20 18:07:26,953 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:26,953 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:26,978 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:26,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:07:26,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:26,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:07:26,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:07:26,979 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:27,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:27,087 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2022-02-20 18:07:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:07:27,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-02-20 18:07:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 122 transitions. [2022-02-20 18:07:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 122 transitions. [2022-02-20 18:07:27,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 122 transitions. [2022-02-20 18:07:27,173 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:27,173 INFO L225 Difference]: With dead ends: 97 [2022-02-20 18:07:27,173 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:07:27,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:07:27,174 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:27,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:27,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:07:27,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:07:27,175 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:27,176 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:07:27,176 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:07:27,176 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:07:27,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:27,176 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:27,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:27,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:27,177 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-02-20 18:07:27,177 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-02-20 18:07:27,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:27,177 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:27,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:27,177 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:27,177 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:27,177 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:07:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:07:27,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-02-20 18:07:27,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:27,178 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:07:27,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:07:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:27,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:27,180 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:07:27,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:07:27,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:07:27,368 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2022-02-20 18:07:27,369 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2022-02-20 18:07:27,369 INFO L858 garLoopResultBuilder]: For program point L465-1(lines 461 472) no Hoare annotation was computed. [2022-02-20 18:07:27,369 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 461 472) the Hoare annotation is: true [2022-02-20 18:07:27,369 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 461 472) no Hoare annotation was computed. [2022-02-20 18:07:27,369 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 473 481) the Hoare annotation is: true [2022-02-20 18:07:27,369 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 473 481) no Hoare annotation was computed. [2022-02-20 18:07:27,369 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 473 481) no Hoare annotation was computed. [2022-02-20 18:07:27,370 INFO L854 garLoopResultBuilder]: At program point L374(lines 369 377) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-02-20 18:07:27,370 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 270 289) no Hoare annotation was computed. [2022-02-20 18:07:27,370 INFO L854 garLoopResultBuilder]: At program point L519(lines 514 522) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,370 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 267 290) no Hoare annotation was computed. [2022-02-20 18:07:27,370 INFO L854 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,370 INFO L858 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-02-20 18:07:27,371 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-02-20 18:07:27,371 INFO L854 garLoopResultBuilder]: At program point L313(line 313) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,371 INFO L854 garLoopResultBuilder]: At program point L441-2(lines 437 448) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,371 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-02-20 18:07:27,371 INFO L854 garLoopResultBuilder]: At program point L429(lines 414 432) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,371 INFO L854 garLoopResultBuilder]: At program point L355(lines 350 357) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,371 INFO L854 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,372 INFO L854 garLoopResultBuilder]: At program point L318-1(lines 299 323) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,372 INFO L854 garLoopResultBuilder]: At program point L529(lines 524 531) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,372 INFO L858 garLoopResultBuilder]: For program point L554(lines 554 564) no Hoare annotation was computed. [2022-02-20 18:07:27,372 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 567) no Hoare annotation was computed. [2022-02-20 18:07:27,372 INFO L854 garLoopResultBuilder]: At program point L550-1(lines 542 570) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,372 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2022-02-20 18:07:27,372 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 315) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 267 290) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-02-20 18:07:27,373 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 320) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 528) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L858 garLoopResultBuilder]: For program point L423-2(lines 423 427) no Hoare annotation was computed. [2022-02-20 18:07:27,373 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-02-20 18:07:27,374 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-02-20 18:07:27,374 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-02-20 18:07:27,374 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-02-20 18:07:27,374 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-02-20 18:07:27,374 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-02-20 18:07:27,374 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-02-20 18:07:27,374 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-02-20 18:07:27,374 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-02-20 18:07:27,375 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-02-20 18:07:27,375 INFO L861 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2022-02-20 18:07:27,375 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2022-02-20 18:07:27,375 INFO L858 garLoopResultBuilder]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2022-02-20 18:07:27,375 INFO L854 garLoopResultBuilder]: At program point L539(lines 534 541) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-02-20 18:07:27,375 INFO L861 garLoopResultBuilder]: At program point L250(lines 191 254) the Hoare annotation is: true [2022-02-20 18:07:27,375 INFO L861 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2022-02-20 18:07:27,375 INFO L854 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:27,376 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:07:27,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:07:27,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:07:27,376 INFO L854 garLoopResultBuilder]: At program point L247(lines 200 248) the Hoare annotation is: false [2022-02-20 18:07:27,376 INFO L858 garLoopResultBuilder]: For program point L202(lines 201 246) no Hoare annotation was computed. [2022-02-20 18:07:27,376 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 242) no Hoare annotation was computed. [2022-02-20 18:07:27,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:07:27,376 INFO L854 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:27,377 INFO L854 garLoopResultBuilder]: At program point L186(lines 181 189) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-02-20 18:07:27,377 INFO L854 garLoopResultBuilder]: At program point L244(lines 201 246) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:27,377 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 217) no Hoare annotation was computed. [2022-02-20 18:07:27,377 INFO L854 garLoopResultBuilder]: At program point L178(lines 174 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:27,377 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2022-02-20 18:07:27,377 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-02-20 18:07:27,377 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-02-20 18:07:27,378 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2022-02-20 18:07:27,378 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2022-02-20 18:07:27,378 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2022-02-20 18:07:27,378 INFO L854 garLoopResultBuilder]: At program point L171(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:07:27,378 INFO L854 garLoopResultBuilder]: At program point L237-2(lines 231 242) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:07:27,378 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 449 460) no Hoare annotation was computed. [2022-02-20 18:07:27,378 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2022-02-20 18:07:27,378 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 449 460) the Hoare annotation is: true [2022-02-20 18:07:27,381 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:07:27,381 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: L465-1 has no Hoare annotation [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: L465-1 has no Hoare annotation [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2022-02-20 18:07:27,384 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L453-1 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L453-1 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L465-1 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2022-02-20 18:07:27,385 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2022-02-20 18:07:27,386 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:07:27,386 WARN L170 areAnnotationChecker]: L453-1 has no Hoare annotation [2022-02-20 18:07:27,386 WARN L170 areAnnotationChecker]: L278-1 has no Hoare annotation [2022-02-20 18:07:27,386 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:07:27,386 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: L278-1 has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:07:27,387 WARN L170 areAnnotationChecker]: L221-1 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L548-1 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L548-1 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L211-1 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2022-02-20 18:07:27,388 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L221 has no Hoare annotation [2022-02-20 18:07:27,389 WARN L170 areAnnotationChecker]: L221 has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: L423-2 has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:27,390 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:07:27,391 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:07:27,391 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2022-02-20 18:07:27,391 WARN L170 areAnnotationChecker]: L142 has no Hoare annotation [2022-02-20 18:07:27,391 WARN L170 areAnnotationChecker]: L221-1 has no Hoare annotation [2022-02-20 18:07:27,391 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-02-20 18:07:27,391 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2022-02-20 18:07:27,392 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2022-02-20 18:07:27,392 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:27,392 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2022-02-20 18:07:27,392 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L142-2 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2022-02-20 18:07:27,393 WARN L170 areAnnotationChecker]: L142-2 has no Hoare annotation [2022-02-20 18:07:27,394 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2022-02-20 18:07:27,394 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:27,394 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2022-02-20 18:07:27,394 WARN L170 areAnnotationChecker]: L528 has no Hoare annotation [2022-02-20 18:07:27,394 WARN L170 areAnnotationChecker]: L528 has no Hoare annotation [2022-02-20 18:07:27,395 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:27,395 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 18:07:27,395 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 18:07:27,395 WARN L170 areAnnotationChecker]: L211-1 has no Hoare annotation [2022-02-20 18:07:27,395 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:07:27,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:07:27 BoogieIcfgContainer [2022-02-20 18:07:27,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:07:27,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:07:27,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:07:27,406 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:07:27,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:25" (3/4) ... [2022-02-20 18:07:27,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:07:27,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-02-20 18:07:27,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:07:27,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:07:27,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:07:27,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:07:27,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:07:27,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-02-20 18:07:27,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:07:27,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:07:27,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:07:27,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:07:27,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:27,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:27,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-02-20 18:07:27,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2022-02-20 18:07:27,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2022-02-20 18:07:27,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2022-02-20 18:07:27,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:07:27,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-02-20 18:07:27,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-02-20 18:07:27,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) [2022-02-20 18:07:27,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:07:27,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:07:27,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:07:27,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:07:27,449 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:07:27,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:07:27,450 INFO L158 Benchmark]: Toolchain (without parser) took 3108.67ms. Allocated memory was 96.5MB in the beginning and 148.9MB in the end (delta: 52.4MB). Free memory was 54.1MB in the beginning and 100.3MB in the end (delta: -46.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,450 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:07:27,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 78.0MB in the end (delta: -24.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,451 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,451 INFO L158 Benchmark]: RCFGBuilder took 393.07ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 80.8MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,452 INFO L158 Benchmark]: TraceAbstraction took 2168.76ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 80.1MB in the beginning and 105.5MB in the end (delta: -25.4MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,452 INFO L158 Benchmark]: Witness Printer took 43.12ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 100.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:07:27,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 78.0MB in the end (delta: -24.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.07ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 80.8MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2168.76ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 80.1MB in the beginning and 105.5MB in the end (delta: -25.4MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Witness Printer took 43.12ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 100.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 528]: 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 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 279 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 141 PreInvPairs, 155 NumberOfFragments, 257 HoareAnnotationTreeSize, 141 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 534]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:07:27,485 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