./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product30.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 b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:02,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:02,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:02,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:02,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:02,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:02,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:02,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:02,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:02,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:02,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:02,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:02,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:02,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:02,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:02,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:02,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:02,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:02,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:02,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:02,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:02,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:02,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:02,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:02,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:02,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:02,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:02,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:02,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:02,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:02,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:02,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:02,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:02,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:02,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:02,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:02,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:02,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:02,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:02,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:02,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:02,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:02,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:02,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:02,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:02,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:02,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:02,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:02,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:02,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:02,249 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:02,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:02,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:02,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:02,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:02,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:02,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:02,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:02,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:02,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:02,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:02,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:02,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:02,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:02,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:02,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:02,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:02,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:02,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:02,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:02,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f [2021-12-16 00:59:02,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:02,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:02,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:02,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:02,502 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:02,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-12-16 00:59:02,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc26b9df9/08d904be45c1428d87a8c8ff27ca5acb/FLAG6fc8d6b1b [2021-12-16 00:59:02,944 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:02,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-12-16 00:59:02,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc26b9df9/08d904be45c1428d87a8c8ff27ca5acb/FLAG6fc8d6b1b [2021-12-16 00:59:02,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc26b9df9/08d904be45c1428d87a8c8ff27ca5acb [2021-12-16 00:59:02,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:02,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:02,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:02,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:02,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:02,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567f813b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02, skipping insertion in model container [2021-12-16 00:59:02,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:03,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:03,296 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_product30.cil.c[17982,17995] [2021-12-16 00:59:03,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:03,311 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:03,381 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_product30.cil.c[17982,17995] [2021-12-16 00:59:03,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:03,404 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:03,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03 WrapperNode [2021-12-16 00:59:03,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:03,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:03,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:03,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:03,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,462 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 233 [2021-12-16 00:59:03,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:03,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:03,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:03,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:03,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:03,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:03,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:03,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:03,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (1/1) ... [2021-12-16 00:59:03,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:03,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 00:59:03,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 00:59:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:03,577 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:03,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-16 00:59:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-16 00:59:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:59:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:59:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:03,626 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:03,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:03,794 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:03,799 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:03,799 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:03,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:03 BoogieIcfgContainer [2021-12-16 00:59:03,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:03,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:03,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:03,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:03,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:02" (1/3) ... [2021-12-16 00:59:03,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3378b249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:03, skipping insertion in model container [2021-12-16 00:59:03,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:03" (2/3) ... [2021-12-16 00:59:03,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3378b249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:03, skipping insertion in model container [2021-12-16 00:59:03,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:03" (3/3) ... [2021-12-16 00:59:03,806 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2021-12-16 00:59:03,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:03,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:03,837 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:03,841 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 00:59:03,841 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 76 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-16 00:59:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:03,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:03,860 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] [2021-12-16 00:59:03,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:03,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:03,864 INFO L85 PathProgramCache]: Analyzing trace with hash 975753900, now seen corresponding path program 1 times [2021-12-16 00:59:03,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:03,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996520575] [2021-12-16 00:59:03,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:03,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996520575] [2021-12-16 00:59:04,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996520575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:04,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229513377] [2021-12-16 00:59:04,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:04,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:04,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:04,069 INFO L87 Difference]: Start difference. First operand has 94 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 76 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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) [2021-12-16 00:59:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,110 INFO L93 Difference]: Finished difference Result 179 states and 240 transitions. [2021-12-16 00:59:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:04,111 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 [2021-12-16 00:59:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,118 INFO L225 Difference]: With dead ends: 179 [2021-12-16 00:59:04,119 INFO L226 Difference]: Without dead ends: 85 [2021-12-16 00:59:04,122 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 [2021-12-16 00:59:04,125 INFO L933 BasicCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-16 00:59:04,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-16 00:59:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 68 states have internal predecessors, (79), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:59:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 108 transitions. [2021-12-16 00:59:04,161 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 108 transitions. Word has length 25 [2021-12-16 00:59:04,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,161 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 108 transitions. [2021-12-16 00:59:04,162 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) [2021-12-16 00:59:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2021-12-16 00:59:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:04,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:04,165 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] [2021-12-16 00:59:04,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:04,166 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:04,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:04,168 INFO L85 PathProgramCache]: Analyzing trace with hash -638241596, now seen corresponding path program 1 times [2021-12-16 00:59:04,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:04,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221256499] [2021-12-16 00:59:04,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:04,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:59:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221256499] [2021-12-16 00:59:04,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221256499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:04,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528922969] [2021-12-16 00:59:04,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:04,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:04,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:04,231 INFO L87 Difference]: Start difference. First operand 85 states and 108 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) [2021-12-16 00:59:04,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,242 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2021-12-16 00:59:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:04,243 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 [2021-12-16 00:59:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,244 INFO L225 Difference]: With dead ends: 134 [2021-12-16 00:59:04,244 INFO L226 Difference]: Without dead ends: 76 [2021-12-16 00:59:04,245 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 [2021-12-16 00:59:04,247 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-16 00:59:04,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-16 00:59:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:59:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2021-12-16 00:59:04,262 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 26 [2021-12-16 00:59:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,263 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2021-12-16 00:59:04,263 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) [2021-12-16 00:59:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2021-12-16 00:59:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:59:04,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:04,267 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] [2021-12-16 00:59:04,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:04,267 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:04,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1981192212, now seen corresponding path program 1 times [2021-12-16 00:59:04,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:04,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481516700] [2021-12-16 00:59:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:04,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481516700] [2021-12-16 00:59:04,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481516700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:04,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48657810] [2021-12-16 00:59:04,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:04,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:04,371 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:04,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,457 INFO L93 Difference]: Finished difference Result 144 states and 185 transitions. [2021-12-16 00:59:04,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:59:04,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-16 00:59:04,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,462 INFO L225 Difference]: With dead ends: 144 [2021-12-16 00:59:04,462 INFO L226 Difference]: Without dead ends: 76 [2021-12-16 00:59:04,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:04,464 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 123 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 189 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:04,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-16 00:59:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-16 00:59:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:59:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions. [2021-12-16 00:59:04,472 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 95 transitions. Word has length 31 [2021-12-16 00:59:04,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,472 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 95 transitions. [2021-12-16 00:59:04,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2021-12-16 00:59:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-16 00:59:04,473 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:04,473 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, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:04,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:04,474 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:04,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:04,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1055507879, now seen corresponding path program 1 times [2021-12-16 00:59:04,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:04,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779173367] [2021-12-16 00:59:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:04,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 00:59:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779173367] [2021-12-16 00:59:04,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779173367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:04,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837054126] [2021-12-16 00:59:04,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:04,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:04,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:04,598 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,809 INFO L93 Difference]: Finished difference Result 238 states and 304 transitions. [2021-12-16 00:59:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2021-12-16 00:59:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,812 INFO L225 Difference]: With dead ends: 238 [2021-12-16 00:59:04,812 INFO L226 Difference]: Without dead ends: 170 [2021-12-16 00:59:04,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:04,813 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 136 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 428 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-12-16 00:59:04,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2021-12-16 00:59:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 111 states have internal predecessors, (126), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2021-12-16 00:59:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 175 transitions. [2021-12-16 00:59:04,828 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 175 transitions. Word has length 41 [2021-12-16 00:59:04,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,829 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 175 transitions. [2021-12-16 00:59:04,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:04,829 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 175 transitions. [2021-12-16 00:59:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:04,830 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:04,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:04,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:04,831 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:04,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:04,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1634457109, now seen corresponding path program 1 times [2021-12-16 00:59:04,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:04,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197526432] [2021-12-16 00:59:04,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:04,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 00:59:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197526432] [2021-12-16 00:59:04,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197526432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:04,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988821691] [2021-12-16 00:59:04,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:04,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:04,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:04,894 INFO L87 Difference]: Start difference. First operand 139 states and 175 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,980 INFO L93 Difference]: Finished difference Result 226 states and 286 transitions. [2021-12-16 00:59:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:04,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2021-12-16 00:59:04,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,981 INFO L225 Difference]: With dead ends: 226 [2021-12-16 00:59:04,981 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:04,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:59:04,982 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 71 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 143 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:04,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:04,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 00:59:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:04,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-12-16 00:59:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,984 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:04,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:04,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:04,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:04,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:04,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:05,398 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 834 841) the Hoare annotation is: true [2021-12-16 00:59:05,398 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 834 841) no Hoare annotation was computed. [2021-12-16 00:59:05,398 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 834 841) no Hoare annotation was computed. [2021-12-16 00:59:05,398 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 750 756) no Hoare annotation was computed. [2021-12-16 00:59:05,398 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 750 756) the Hoare annotation is: true [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2021-12-16 00:59:05,399 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 588 599) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 588 599) no Hoare annotation was computed. [2021-12-16 00:59:05,399 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 600 608) the Hoare annotation is: true [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 600 608) no Hoare annotation was computed. [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 600 608) no Hoare annotation was computed. [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point L956(lines 956 966) no Hoare annotation was computed. [2021-12-16 00:59:05,399 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 572) no Hoare annotation was computed. [2021-12-16 00:59:05,400 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 969) no Hoare annotation was computed. [2021-12-16 00:59:05,400 INFO L854 garLoopResultBuilder]: At program point L952-1(lines 944 972) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:05,400 INFO L854 garLoopResultBuilder]: At program point L568-2(lines 564 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,400 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 726 749) no Hoare annotation was computed. [2021-12-16 00:59:05,400 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-12-16 00:59:05,400 INFO L854 garLoopResultBuilder]: At program point L858(lines 853 861) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-16 00:59:05,400 INFO L858 garLoopResultBuilder]: For program point L730-1(lines 729 748) no Hoare annotation was computed. [2021-12-16 00:59:05,401 INFO L858 garLoopResultBuilder]: For program point L792(lines 792 800) no Hoare annotation was computed. [2021-12-16 00:59:05,401 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 805) no Hoare annotation was computed. [2021-12-16 00:59:05,401 INFO L854 garLoopResultBuilder]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,401 INFO L858 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2021-12-16 00:59:05,401 INFO L858 garLoopResultBuilder]: For program point L930(line 930) no Hoare annotation was computed. [2021-12-16 00:59:05,401 INFO L854 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,401 INFO L854 garLoopResultBuilder]: At program point L794(line 794) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,401 INFO L854 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,402 INFO L858 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2021-12-16 00:59:05,402 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 726 749) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,402 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 726 749) no Hoare annotation was computed. [2021-12-16 00:59:05,402 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2021-12-16 00:59:05,402 INFO L854 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,402 INFO L854 garLoopResultBuilder]: At program point L931(lines 926 933) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,402 INFO L854 garLoopResultBuilder]: At program point L803-1(lines 784 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,402 INFO L861 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2021-12-16 00:59:05,403 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2021-12-16 00:59:05,403 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-12-16 00:59:05,403 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2021-12-16 00:59:05,403 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-12-16 00:59:05,403 INFO L861 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2021-12-16 00:59:05,403 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-16 00:59:05,403 INFO L861 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2021-12-16 00:59:05,403 INFO L861 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2021-12-16 00:59:05,404 INFO L858 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2021-12-16 00:59:05,404 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2021-12-16 00:59:05,404 INFO L858 garLoopResultBuilder]: For program point L543-2(lines 543 550) no Hoare annotation was computed. [2021-12-16 00:59:05,404 INFO L858 garLoopResultBuilder]: For program point L700(lines 700 704) no Hoare annotation was computed. [2021-12-16 00:59:05,404 INFO L854 garLoopResultBuilder]: At program point L700-2(lines 692 705) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,404 INFO L858 garLoopResultBuilder]: For program point L663(lines 662 709) no Hoare annotation was computed. [2021-12-16 00:59:05,404 INFO L858 garLoopResultBuilder]: For program point L692(lines 692 705) no Hoare annotation was computed. [2021-12-16 00:59:05,404 INFO L854 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,404 INFO L861 garLoopResultBuilder]: At program point L713(lines 652 717) the Hoare annotation is: true [2021-12-16 00:59:05,405 INFO L861 garLoopResultBuilder]: At program point L552(lines 533 555) the Hoare annotation is: true [2021-12-16 00:59:05,405 INFO L854 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,405 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 678) no Hoare annotation was computed. [2021-12-16 00:59:05,405 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,405 INFO L858 garLoopResultBuilder]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2021-12-16 00:59:05,405 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,405 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,405 INFO L854 garLoopResultBuilder]: At program point L441(lines 437 443) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,406 INFO L858 garLoopResultBuilder]: For program point L664(lines 664 668) no Hoare annotation was computed. [2021-12-16 00:59:05,406 INFO L854 garLoopResultBuilder]: At program point L941(lines 936 943) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,406 INFO L854 garLoopResultBuilder]: At program point L710(lines 661 711) the Hoare annotation is: false [2021-12-16 00:59:05,406 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,406 INFO L854 garLoopResultBuilder]: At program point L434(lines 430 436) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,406 INFO L858 garLoopResultBuilder]: For program point L682(lines 682 688) no Hoare annotation was computed. [2021-12-16 00:59:05,406 INFO L858 garLoopResultBuilder]: For program point L682-1(lines 682 688) no Hoare annotation was computed. [2021-12-16 00:59:05,406 INFO L854 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,407 INFO L854 garLoopResultBuilder]: At program point L707(lines 662 709) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,407 INFO L854 garLoopResultBuilder]: At program point L674(line 674) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,407 INFO L854 garLoopResultBuilder]: At program point L922(lines 917 924) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,407 INFO L861 garLoopResultBuilder]: At program point L530(lines 522 532) the Hoare annotation is: true [2021-12-16 00:59:05,407 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 576 587) no Hoare annotation was computed. [2021-12-16 00:59:05,407 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 576 587) the Hoare annotation is: true [2021-12-16 00:59:05,407 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2021-12-16 00:59:05,407 INFO L854 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,408 INFO L858 garLoopResultBuilder]: For program point L766(lines 766 774) no Hoare annotation was computed. [2021-12-16 00:59:05,408 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 779) no Hoare annotation was computed. [2021-12-16 00:59:05,408 INFO L854 garLoopResultBuilder]: At program point L913(lines 898 916) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,408 INFO L858 garLoopResultBuilder]: For program point L907(lines 907 911) no Hoare annotation was computed. [2021-12-16 00:59:05,408 INFO L858 garLoopResultBuilder]: For program point L907-2(lines 907 911) no Hoare annotation was computed. [2021-12-16 00:59:05,408 INFO L854 garLoopResultBuilder]: At program point L777(line 777) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,408 INFO L858 garLoopResultBuilder]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2021-12-16 00:59:05,409 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 758 782) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,409 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 758 782) no Hoare annotation was computed. [2021-12-16 00:59:05,409 INFO L854 garLoopResultBuilder]: At program point L646(lines 641 649) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,409 INFO L854 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,409 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 842 852) the Hoare annotation is: true [2021-12-16 00:59:05,409 INFO L861 garLoopResultBuilder]: At program point L847(line 847) the Hoare annotation is: true [2021-12-16 00:59:05,409 INFO L858 garLoopResultBuilder]: For program point L847-1(line 847) no Hoare annotation was computed. [2021-12-16 00:59:05,409 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 842 852) no Hoare annotation was computed. [2021-12-16 00:59:05,409 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 842 852) no Hoare annotation was computed. [2021-12-16 00:59:05,412 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:59:05,413 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:05,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:05 BoogieIcfgContainer [2021-12-16 00:59:05,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:05,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:05,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:05,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:05,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:03" (3/4) ... [2021-12-16 00:59:05,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:05,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:05,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:05,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:05,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:05,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:05,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:05,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:05,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:05,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-16 00:59:05,436 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-16 00:59:05,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:05,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:05,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:05,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:05,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:05,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:05,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == tmp && systemActive == \result) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == tmp && systemActive == \result) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == tmp) && systemActive == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 [2021-12-16 00:59:05,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == tmp) && systemActive == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) [2021-12-16 00:59:05,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-16 00:59:05,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,467 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:05,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:05,468 INFO L158 Benchmark]: Toolchain (without parser) took 2497.71ms. Allocated memory is still 180.4MB. Free memory was 152.0MB in the beginning and 138.1MB in the end (delta: 13.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,468 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:05,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.80ms. Allocated memory is still 180.4MB. Free memory was 151.4MB in the beginning and 148.3MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.83ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 146.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,469 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 180.4MB. Free memory was 146.1MB in the beginning and 144.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,469 INFO L158 Benchmark]: RCFGBuilder took 294.65ms. Allocated memory is still 180.4MB. Free memory was 144.7MB in the beginning and 127.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,469 INFO L158 Benchmark]: TraceAbstraction took 1623.05ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 144.4MB in the end (delta: -17.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,470 INFO L158 Benchmark]: Witness Printer took 42.56ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 138.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.80ms. Allocated memory is still 180.4MB. Free memory was 151.4MB in the beginning and 148.3MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.83ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 146.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 180.4MB. Free memory was 146.1MB in the beginning and 144.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.65ms. Allocated memory is still 180.4MB. Free memory was 144.7MB in the beginning and 127.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1623.05ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 144.4MB in the end (delta: -17.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Witness Printer took 42.56ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 138.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 930]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 1050 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 610 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 440 mSDtfsCounter, 354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 295 PreInvPairs, 319 NumberOfFragments, 384 HoareAnnotationTreeSize, 295 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 752 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 444]: Loop Invariant Derived loop invariant: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == tmp) && systemActive == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((systemActive == tmp && systemActive == \result) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == tmp) && systemActive == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (((systemActive == tmp && systemActive == \result) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:05,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE