./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product32.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_product32.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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:02,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:02,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:02,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:02,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:02,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:02,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:02,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:02,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:02,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:02,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:02,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:02,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:02,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:02,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:02,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:02,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:02,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:02,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:02,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:02,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:02,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:02,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:02,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:02,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:02,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:02,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:02,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:02,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:02,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:02,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:02,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:02,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:02,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:02,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:02,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:02,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:02,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:02,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:02,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:02,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:02,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:03,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:03,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:03,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:03,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:03,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:03,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:03,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:03,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:03,007 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:03,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:03,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:03,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:03,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:03,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:03,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:03,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:03,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:03,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:03,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:03,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:03,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:03,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:03,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:03,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:03,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:03,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:03,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:03,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:03,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2021-12-16 00:59:03,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:03,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:03,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:03,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:03,234 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:03,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-12-16 00:59:03,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58354e8d/0622124ff4264c6793d30a379ec9ae22/FLAGbb8f87778 [2021-12-16 00:59:03,742 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:03,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-12-16 00:59:03,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58354e8d/0622124ff4264c6793d30a379ec9ae22/FLAGbb8f87778 [2021-12-16 00:59:04,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58354e8d/0622124ff4264c6793d30a379ec9ae22 [2021-12-16 00:59:04,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:04,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:04,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:04,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:04,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:04,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b91863c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04, skipping insertion in model container [2021-12-16 00:59:04,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:04,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:04,443 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_product32.cil.c[1605,1618] [2021-12-16 00:59:04,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:04,558 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:04,566 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_product32.cil.c[1605,1618] [2021-12-16 00:59:04,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:04,653 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:04,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04 WrapperNode [2021-12-16 00:59:04,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:04,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:04,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:04,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:04,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,709 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 238 [2021-12-16 00:59:04,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:04,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:04,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:04,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:04,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:04,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:04,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:04,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:04,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (1/1) ... [2021-12-16 00:59:04,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:04,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:04,777 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 00:59:04,780 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 00:59:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-16 00:59:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-16 00:59:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:59:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:59:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:04,877 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:04,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:05,093 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:05,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:05,100 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:05,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:05 BoogieIcfgContainer [2021-12-16 00:59:05,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:05,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:05,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:05,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:05,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:04" (1/3) ... [2021-12-16 00:59:05,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da9bd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:05, skipping insertion in model container [2021-12-16 00:59:05,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:04" (2/3) ... [2021-12-16 00:59:05,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da9bd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:05, skipping insertion in model container [2021-12-16 00:59:05,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:05" (3/3) ... [2021-12-16 00:59:05,110 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2021-12-16 00:59:05,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:05,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:05,144 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:05,150 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 00:59:05,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-16 00:59:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:05,197 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:05,198 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 00:59:05,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:05,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:05,202 INFO L85 PathProgramCache]: Analyzing trace with hash -905457996, now seen corresponding path program 1 times [2021-12-16 00:59:05,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:05,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323438142] [2021-12-16 00:59:05,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:05,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:05,427 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 00:59:05,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:05,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323438142] [2021-12-16 00:59:05,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323438142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:05,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:05,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:05,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107679032] [2021-12-16 00:59:05,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:05,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:05,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:05,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:05,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:05,459 INFO L87 Difference]: Start difference. First operand has 98 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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 00:59:05,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:05,498 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2021-12-16 00:59:05,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:05,499 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 00:59:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:05,506 INFO L225 Difference]: With dead ends: 187 [2021-12-16 00:59:05,506 INFO L226 Difference]: Without dead ends: 89 [2021-12-16 00:59:05,510 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 00:59:05,512 INFO L933 BasicCegarLoop]: 123 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, 123 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 00:59:05,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:05,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-12-16 00:59:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-16 00:59:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 64 states have (on average 1.296875) internal successors, (83), 72 states have internal predecessors, (83), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-16 00:59:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2021-12-16 00:59:05,549 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 25 [2021-12-16 00:59:05,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:05,549 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-16 00:59:05,550 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 00:59:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2021-12-16 00:59:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:05,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:05,552 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 00:59:05,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:05,552 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:05,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:05,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1775513804, now seen corresponding path program 1 times [2021-12-16 00:59:05,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:05,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828287284] [2021-12-16 00:59:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:05,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:59:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:05,602 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 00:59:05,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:05,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828287284] [2021-12-16 00:59:05,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828287284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:05,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:05,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:05,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414680923] [2021-12-16 00:59:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:05,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:05,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:05,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:05,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:05,607 INFO L87 Difference]: Start difference. First operand 89 states and 114 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 00:59:05,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:05,624 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2021-12-16 00:59:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:05,624 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 00:59:05,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:05,626 INFO L225 Difference]: With dead ends: 138 [2021-12-16 00:59:05,626 INFO L226 Difference]: Without dead ends: 80 [2021-12-16 00:59:05,626 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 00:59:05,627 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 180 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 00:59:05,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:05,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-16 00:59:05,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-12-16 00:59:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 00:59:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2021-12-16 00:59:05,635 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 26 [2021-12-16 00:59:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:05,635 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2021-12-16 00:59:05,635 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 00:59:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2021-12-16 00:59:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:59:05,636 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:05,637 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 00:59:05,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:05,637 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:05,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:05,637 INFO L85 PathProgramCache]: Analyzing trace with hash -775116306, now seen corresponding path program 1 times [2021-12-16 00:59:05,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:05,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376369929] [2021-12-16 00:59:05,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:05,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:05,696 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 00:59:05,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:05,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376369929] [2021-12-16 00:59:05,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376369929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:05,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:05,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:05,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746809927] [2021-12-16 00:59:05,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:05,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:05,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:05,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:05,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:05,701 INFO L87 Difference]: Start difference. First operand 80 states and 102 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 00:59:05,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:05,963 INFO L93 Difference]: Finished difference Result 281 states and 372 transitions. [2021-12-16 00:59:05,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:59:05,964 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 00:59:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:05,969 INFO L225 Difference]: With dead ends: 281 [2021-12-16 00:59:05,970 INFO L226 Difference]: Without dead ends: 209 [2021-12-16 00:59:05,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:05,974 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 288 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:05,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 469 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:05,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-16 00:59:06,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2021-12-16 00:59:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.3507462686567164) internal successors, (181), 152 states have internal predecessors, (181), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2021-12-16 00:59:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 244 transitions. [2021-12-16 00:59:06,024 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 244 transitions. Word has length 31 [2021-12-16 00:59:06,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:06,024 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 244 transitions. [2021-12-16 00:59:06,025 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 00:59:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 244 transitions. [2021-12-16 00:59:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-16 00:59:06,031 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:06,031 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] [2021-12-16 00:59:06,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:06,032 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:06,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:06,033 INFO L85 PathProgramCache]: Analyzing trace with hash -471183706, now seen corresponding path program 1 times [2021-12-16 00:59:06,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:06,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323272193] [2021-12-16 00:59:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:06,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:06,155 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 00:59:06,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:06,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323272193] [2021-12-16 00:59:06,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323272193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:06,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:06,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:06,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454736373] [2021-12-16 00:59:06,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:06,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:06,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:06,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:06,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:06,161 INFO L87 Difference]: Start difference. First operand 187 states and 244 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 00:59:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:06,283 INFO L93 Difference]: Finished difference Result 543 states and 720 transitions. [2021-12-16 00:59:06,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:06,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 34 [2021-12-16 00:59:06,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:06,287 INFO L225 Difference]: With dead ends: 543 [2021-12-16 00:59:06,296 INFO L226 Difference]: Without dead ends: 364 [2021-12-16 00:59:06,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:06,299 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 70 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:06,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 502 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-12-16 00:59:06,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 355. [2021-12-16 00:59:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 250 states have (on average 1.328) internal successors, (332), 285 states have internal predecessors, (332), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2021-12-16 00:59:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 461 transitions. [2021-12-16 00:59:06,327 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 461 transitions. Word has length 34 [2021-12-16 00:59:06,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:06,328 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 461 transitions. [2021-12-16 00:59:06,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 00:59:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 461 transitions. [2021-12-16 00:59:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 00:59:06,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:06,329 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] [2021-12-16 00:59:06,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:06,330 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:06,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:06,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1179936094, now seen corresponding path program 1 times [2021-12-16 00:59:06,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:06,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081000436] [2021-12-16 00:59:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:06,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:59:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:06,382 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 00:59:06,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:06,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081000436] [2021-12-16 00:59:06,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081000436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:06,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:06,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:06,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405814722] [2021-12-16 00:59:06,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:06,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:06,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:06,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:06,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:06,387 INFO L87 Difference]: Start difference. First operand 355 states and 461 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:06,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:06,463 INFO L93 Difference]: Finished difference Result 602 states and 787 transitions. [2021-12-16 00:59:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:59:06,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-16 00:59:06,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:06,464 INFO L225 Difference]: With dead ends: 602 [2021-12-16 00:59:06,464 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:06,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:06,466 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 55 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:06,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 147 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:06,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:06,467 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 00:59:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:06,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-16 00:59:06,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:06,468 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:06,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:06,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:06,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:06,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:06,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:06,983 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 254 261) the Hoare annotation is: true [2021-12-16 00:59:06,983 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 254 261) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 254 261) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 170 176) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 170 176) the Hoare annotation is: true [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 524 535) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 524 535) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 536 544) the Hoare annotation is: true [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 536 544) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 536 544) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2021-12-16 00:59:06,984 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-12-16 00:59:06,984 INFO L861 garLoopResultBuilder]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2021-12-16 00:59:06,985 INFO L858 garLoopResultBuilder]: For program point L373(line 373) no Hoare annotation was computed. [2021-12-16 00:59:06,985 INFO L861 garLoopResultBuilder]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2021-12-16 00:59:06,985 INFO L861 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: true [2021-12-16 00:59:06,985 INFO L858 garLoopResultBuilder]: For program point L368-1(line 368) no Hoare annotation was computed. [2021-12-16 00:59:06,985 INFO L861 garLoopResultBuilder]: At program point L387(lines 362 391) the Hoare annotation is: true [2021-12-16 00:59:06,985 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2021-12-16 00:59:06,985 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 146 169) no Hoare annotation was computed. [2021-12-16 00:59:06,985 INFO L854 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-16 00:59:06,985 INFO L854 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,985 INFO L858 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2021-12-16 00:59:06,985 INFO L854 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-16 00:59:06,985 INFO L854 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-16 00:59:06,985 INFO L858 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2021-12-16 00:59:06,985 INFO L854 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:06,985 INFO L854 garLoopResultBuilder]: At program point L223-1(lines 204 228) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 157 163) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 508) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 500 511) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 618) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L854 garLoopResultBuilder]: At program point L604-1(lines 596 624) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:06,986 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-16 00:59:06,986 INFO L854 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 149 168) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-12-16 00:59:06,986 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 146 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,986 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 169) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L854 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 455) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point L448-2(lines 448 455) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L854 garLoopResultBuilder]: At program point L477(lines 473 479) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,987 INFO L854 garLoopResultBuilder]: At program point L349(lines 337 351) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,987 INFO L854 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L858 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2021-12-16 00:59:06,987 INFO L854 garLoopResultBuilder]: At program point L593(lines 588 595) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,988 INFO L861 garLoopResultBuilder]: At program point L432(lines 424 434) the Hoare annotation is: true [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L861 garLoopResultBuilder]: At program point L457(lines 438 460) the Hoare annotation is: true [2021-12-16 00:59:06,988 INFO L854 garLoopResultBuilder]: At program point L420(lines 416 422) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L861 garLoopResultBuilder]: At program point L128(lines 65 132) the Hoare annotation is: true [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2021-12-16 00:59:06,988 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,988 INFO L854 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: false [2021-12-16 00:59:06,988 INFO L854 garLoopResultBuilder]: At program point L492(lines 487 495) 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 00:59:06,988 INFO L854 garLoopResultBuilder]: At program point L484(lines 480 486) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,989 INFO L854 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L854 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L854 garLoopResultBuilder]: At program point L357(lines 352 359) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 512 523) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 512 523) the Hoare annotation is: true [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L516-1(lines 512 523) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:06,989 INFO L854 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2021-12-16 00:59:06,989 INFO L854 garLoopResultBuilder]: At program point L333(lines 318 336) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:06,989 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2021-12-16 00:59:06,990 INFO L858 garLoopResultBuilder]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2021-12-16 00:59:06,990 INFO L854 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,990 INFO L858 garLoopResultBuilder]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2021-12-16 00:59:06,990 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 178 202) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:06,990 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 178 202) no Hoare annotation was computed. [2021-12-16 00:59:06,990 INFO L854 garLoopResultBuilder]: At program point L582(lines 577 585) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:06,990 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 262 272) the Hoare annotation is: true [2021-12-16 00:59:06,990 INFO L861 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: true [2021-12-16 00:59:06,990 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 262 272) no Hoare annotation was computed. [2021-12-16 00:59:06,990 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-12-16 00:59:06,990 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 262 272) no Hoare annotation was computed. [2021-12-16 00:59:06,994 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:59:06,995 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:07,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:07 BoogieIcfgContainer [2021-12-16 00:59:07,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:07,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:07,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:07,007 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:07,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:05" (3/4) ... [2021-12-16 00:59:07,009 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:07,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:07,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:07,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:07,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:07,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:07,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:07,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:07,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:07,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-16 00:59:07,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-16 00:59:07,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:07,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:07,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:07,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:07,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:07,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:07,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:07,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:07,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:07,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-16 00:59:07,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == systemActive) && pumpRunning == 0) || !(\old(pumpRunning) == 0) [2021-12-16 00:59:07,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2021-12-16 00:59:07,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) [2021-12-16 00:59:07,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:07,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-16 00:59:07,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:07,055 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:07,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:07,055 INFO L158 Benchmark]: Toolchain (without parser) took 2770.11ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 54.7MB in the beginning and 78.9MB in the end (delta: -24.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,056 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:07,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.81ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 54.5MB in the beginning and 103.3MB in the end (delta: -48.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.74ms. Allocated memory is still 132.1MB. Free memory was 103.3MB in the beginning and 100.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,056 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 99.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,057 INFO L158 Benchmark]: RCFGBuilder took 354.11ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 83.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,057 INFO L158 Benchmark]: TraceAbstraction took 1902.39ms. Allocated memory is still 132.1MB. Free memory was 82.8MB in the beginning and 85.5MB in the end (delta: -2.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,057 INFO L158 Benchmark]: Witness Printer took 48.50ms. Allocated memory is still 132.1MB. Free memory was 85.5MB in the beginning and 78.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:07,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.81ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 54.5MB in the beginning and 103.3MB in the end (delta: -48.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.74ms. Allocated memory is still 132.1MB. Free memory was 103.3MB in the beginning and 100.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 99.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.11ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 83.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1902.39ms. Allocated memory is still 132.1MB. Free memory was 82.8MB in the beginning and 85.5MB in the end (delta: -2.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 48.50ms. Allocated memory is still 132.1MB. Free memory was 85.5MB in the beginning and 78.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 438 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 430 mSDsluCounter, 1421 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 902 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 519 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=355occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 519 PreInvPairs, 587 NumberOfFragments, 293 HoareAnnotationTreeSize, 519 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 2191 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 321 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: 337]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && pumpRunning == 0) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:07,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE