./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_product04.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 e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:44,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:44,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:44,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:44,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:44,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:44,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:44,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:44,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:44,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:44,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:44,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:44,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:44,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:44,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:44,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:44,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:44,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:44,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:44,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:44,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:44,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:44,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:44,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:44,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:44,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:44,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:44,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:44,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:44,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:44,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:44,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:44,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:44,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:44,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:44,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:44,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:44,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:44,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:44,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:44,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:44,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:44,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:44,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:44,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:44,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:44,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:44,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:44,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:44,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:44,999 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:44,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:44,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:45,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:45,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:45,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:45,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:45,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:45,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:45,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:45,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:45,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:45,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:45,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:45,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:45,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:45,002 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:45,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:45,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:45,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:45,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2021-12-16 00:58:45,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:45,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:45,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:45,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:45,206 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:45,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-12-16 00:58:45,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8062dab9f/64fa235f35284bccad6a1aa9ad9b889e/FLAG7db37557d [2021-12-16 00:58:45,624 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:45,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-12-16 00:58:45,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8062dab9f/64fa235f35284bccad6a1aa9ad9b889e/FLAG7db37557d [2021-12-16 00:58:45,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8062dab9f/64fa235f35284bccad6a1aa9ad9b889e [2021-12-16 00:58:45,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:45,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:46,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:46,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:46,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:46,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:45" (1/1) ... [2021-12-16 00:58:46,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a44d7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46, skipping insertion in model container [2021-12-16 00:58:46,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:45" (1/1) ... [2021-12-16 00:58:46,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:46,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:46,209 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_product04.cil.c[15732,15745] [2021-12-16 00:58:46,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:46,223 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:46,257 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_product04.cil.c[15732,15745] [2021-12-16 00:58:46,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:46,278 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:46,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46 WrapperNode [2021-12-16 00:58:46,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:46,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:46,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:46,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:46,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,330 INFO L137 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 198 [2021-12-16 00:58:46,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:46,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:46,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:46,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:46,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:46,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:46,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:46,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:46,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (1/1) ... [2021-12-16 00:58:46,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:46,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:46,416 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 00:58:46,418 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 00:58:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:46,496 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:46,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:46,723 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:46,728 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:46,728 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:46,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:46 BoogieIcfgContainer [2021-12-16 00:58:46,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:46,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:46,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:46,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:46,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:45" (1/3) ... [2021-12-16 00:58:46,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1037636a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:46, skipping insertion in model container [2021-12-16 00:58:46,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:46" (2/3) ... [2021-12-16 00:58:46,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1037636a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:46, skipping insertion in model container [2021-12-16 00:58:46,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:46" (3/3) ... [2021-12-16 00:58:46,751 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2021-12-16 00:58:46,755 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:46,755 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:46,808 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:46,813 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 00:58:46,813 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-16 00:58:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:58:46,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:46,840 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 00:58:46,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:46,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1575563032, now seen corresponding path program 1 times [2021-12-16 00:58:46,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:46,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281785057] [2021-12-16 00:58:46,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:46,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,055 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 00:58:47,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:47,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281785057] [2021-12-16 00:58:47,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281785057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:47,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:47,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:47,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130189470] [2021-12-16 00:58:47,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:47,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:47,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:47,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:47,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:47,084 INFO L87 Difference]: Start difference. First operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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 00:58:47,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:47,118 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2021-12-16 00:58:47,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:47,120 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 00:58:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:47,128 INFO L225 Difference]: With dead ends: 129 [2021-12-16 00:58:47,128 INFO L226 Difference]: Without dead ends: 60 [2021-12-16 00:58:47,132 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 00:58:47,136 INFO L933 BasicCegarLoop]: 84 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, 84 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 00:58:47,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-12-16 00:58:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-12-16 00:58:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 51 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-16 00:58:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2021-12-16 00:58:47,167 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 25 [2021-12-16 00:58:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:47,168 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2021-12-16 00:58:47,169 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 00:58:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2021-12-16 00:58:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:58:47,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:47,172 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 00:58:47,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:47,173 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:47,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:47,176 INFO L85 PathProgramCache]: Analyzing trace with hash 630201487, now seen corresponding path program 1 times [2021-12-16 00:58:47,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:47,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987630319] [2021-12-16 00:58:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:47,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:58:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,302 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 00:58:47,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:47,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987630319] [2021-12-16 00:58:47,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987630319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:47,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:47,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:47,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058214814] [2021-12-16 00:58:47,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:47,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:47,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:47,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:47,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:47,306 INFO L87 Difference]: Start difference. First operand 60 states and 75 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 00:58:47,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:47,321 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2021-12-16 00:58:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:47,322 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 00:58:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:47,323 INFO L225 Difference]: With dead ends: 80 [2021-12-16 00:58:47,325 INFO L226 Difference]: Without dead ends: 51 [2021-12-16 00:58:47,325 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 00:58:47,327 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 102 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 00:58:47,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-16 00:58:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-12-16 00:58:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-16 00:58:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2021-12-16 00:58:47,336 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 26 [2021-12-16 00:58:47,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:47,337 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2021-12-16 00:58:47,337 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 00:58:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2021-12-16 00:58:47,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:58:47,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:47,340 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 00:58:47,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:47,340 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:47,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:47,340 INFO L85 PathProgramCache]: Analyzing trace with hash -753775283, now seen corresponding path program 1 times [2021-12-16 00:58:47,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:47,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076376791] [2021-12-16 00:58:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:47,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:58:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,417 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 00:58:47,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:47,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076376791] [2021-12-16 00:58:47,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076376791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:47,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:47,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:58:47,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563174888] [2021-12-16 00:58:47,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:47,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:58:47,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:47,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:58:47,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:58:47,423 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 00:58:47,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:47,477 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2021-12-16 00:58:47,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:58:47,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 00:58:47,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:47,480 INFO L225 Difference]: With dead ends: 134 [2021-12-16 00:58:47,480 INFO L226 Difference]: Without dead ends: 91 [2021-12-16 00:58:47,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:58:47,481 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 133 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:47,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 183 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:47,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-16 00:58:47,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2021-12-16 00:58:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-12-16 00:58:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2021-12-16 00:58:47,492 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 31 [2021-12-16 00:58:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:47,492 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2021-12-16 00:58:47,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 00:58:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2021-12-16 00:58:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 00:58:47,493 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:47,493 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] [2021-12-16 00:58:47,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:58:47,494 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:47,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:47,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1660967422, now seen corresponding path program 1 times [2021-12-16 00:58:47,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:47,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445236419] [2021-12-16 00:58:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:47,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 00:58:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,540 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 00:58:47,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:47,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445236419] [2021-12-16 00:58:47,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445236419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:47,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:47,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:47,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804151626] [2021-12-16 00:58:47,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:47,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:47,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:47,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:47,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:47,542 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 00:58:47,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:47,590 INFO L93 Difference]: Finished difference Result 240 states and 317 transitions. [2021-12-16 00:58:47,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:58:47,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 32 [2021-12-16 00:58:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:47,591 INFO L225 Difference]: With dead ends: 240 [2021-12-16 00:58:47,592 INFO L226 Difference]: Without dead ends: 162 [2021-12-16 00:58:47,592 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 00:58:47,593 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 34 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:47,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 291 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:47,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-16 00:58:47,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2021-12-16 00:58:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 132 states have internal predecessors, (163), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2021-12-16 00:58:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 199 transitions. [2021-12-16 00:58:47,607 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 199 transitions. Word has length 32 [2021-12-16 00:58:47,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:47,607 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 199 transitions. [2021-12-16 00:58:47,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 00:58:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 199 transitions. [2021-12-16 00:58:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-16 00:58:47,609 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:47,609 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] [2021-12-16 00:58:47,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:58:47,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash -994471106, now seen corresponding path program 1 times [2021-12-16 00:58:47,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:47,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442952716] [2021-12-16 00:58:47,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:47,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:58:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 00:58:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:47,659 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 00:58:47,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:47,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442952716] [2021-12-16 00:58:47,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442952716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:47,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:47,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:47,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571850613] [2021-12-16 00:58:47,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:47,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:47,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:47,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:47,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:47,664 INFO L87 Difference]: Start difference. First operand 156 states and 199 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 00:58:47,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:47,730 INFO L93 Difference]: Finished difference Result 296 states and 384 transitions. [2021-12-16 00:58:47,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:58:47,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 36 [2021-12-16 00:58:47,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:47,736 INFO L225 Difference]: With dead ends: 296 [2021-12-16 00:58:47,736 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:58:47,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 00:58:47,744 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 47 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:47,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 138 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:58:47,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:58:47,751 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 00:58:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:58:47,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-12-16 00:58:47,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:47,751 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:58:47,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 00:58:47,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:58:47,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:58:47,753 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:58:47,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:58:47,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:58:48,065 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 801 812) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-16 00:58:48,065 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 801 812) no Hoare annotation was computed. [2021-12-16 00:58:48,065 INFO L858 garLoopResultBuilder]: For program point L805-1(lines 801 812) no Hoare annotation was computed. [2021-12-16 00:58:48,065 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 813 821) the Hoare annotation is: true [2021-12-16 00:58:48,065 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 813 821) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 813 821) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L858 garLoopResultBuilder]: For program point L642-1(lines 641 660) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L854 garLoopResultBuilder]: At program point L781-2(lines 777 788) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,066 INFO L858 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2021-12-16 00:58:48,066 INFO L854 garLoopResultBuilder]: At program point L872-1(lines 864 892) the Hoare annotation is: (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-12-16 00:58:48,067 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 638 661) no Hoare annotation was computed. [2021-12-16 00:58:48,067 INFO L861 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2021-12-16 00:58:48,067 INFO L858 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2021-12-16 00:58:48,067 INFO L858 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2021-12-16 00:58:48,067 INFO L854 garLoopResultBuilder]: At program point L701(lines 696 704) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0)))) [2021-12-16 00:58:48,067 INFO L854 garLoopResultBuilder]: At program point L666(lines 662 668) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-12-16 00:58:48,067 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 638 661) the Hoare annotation is: true [2021-12-16 00:58:48,067 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-12-16 00:58:48,068 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 638 661) no Hoare annotation was computed. [2021-12-16 00:58:48,068 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 769) no Hoare annotation was computed. [2021-12-16 00:58:48,068 INFO L854 garLoopResultBuilder]: At program point L770(lines 765 772) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,068 INFO L861 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2021-12-16 00:58:48,068 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2021-12-16 00:58:48,068 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-12-16 00:58:48,068 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2021-12-16 00:58:48,068 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-12-16 00:58:48,069 INFO L861 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2021-12-16 00:58:48,069 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-16 00:58:48,069 INFO L861 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2021-12-16 00:58:48,069 INFO L861 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2021-12-16 00:58:48,075 INFO L858 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2021-12-16 00:58:48,076 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2021-12-16 00:58:48,076 INFO L854 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,076 INFO L858 garLoopResultBuilder]: For program point L543-2(lines 543 550) no Hoare annotation was computed. [2021-12-16 00:58:48,076 INFO L861 garLoopResultBuilder]: At program point L622(lines 559 626) the Hoare annotation is: true [2021-12-16 00:58:48,076 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-12-16 00:58:48,076 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2021-12-16 00:58:48,076 INFO L861 garLoopResultBuilder]: At program point L552(lines 533 555) the Hoare annotation is: true [2021-12-16 00:58:48,076 INFO L854 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,077 INFO L854 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,077 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:58:48,077 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:58:48,077 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:58:48,077 INFO L854 garLoopResultBuilder]: At program point L441(lines 437 443) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,077 INFO L854 garLoopResultBuilder]: At program point L619(lines 568 620) the Hoare annotation is: false [2021-12-16 00:58:48,077 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:58:48,077 INFO L858 garLoopResultBuilder]: For program point L607(lines 607 613) no Hoare annotation was computed. [2021-12-16 00:58:48,078 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 599 614) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,078 INFO L858 garLoopResultBuilder]: For program point L570(lines 569 618) no Hoare annotation was computed. [2021-12-16 00:58:48,078 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 614) no Hoare annotation was computed. [2021-12-16 00:58:48,078 INFO L854 garLoopResultBuilder]: At program point L434(lines 430 436) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,078 INFO L854 garLoopResultBuilder]: At program point L591(line 591) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,078 INFO L854 garLoopResultBuilder]: At program point L682(lines 677 684) the Hoare annotation is: false [2021-12-16 00:58:48,078 INFO L854 garLoopResultBuilder]: At program point L616(lines 569 618) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,078 INFO L854 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,079 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-12-16 00:58:48,079 INFO L858 garLoopResultBuilder]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2021-12-16 00:58:48,079 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-12-16 00:58:48,079 INFO L854 garLoopResultBuilder]: At program point L761(lines 756 763) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,079 INFO L861 garLoopResultBuilder]: At program point L530(lines 522 532) the Hoare annotation is: true [2021-12-16 00:58:48,079 INFO L854 garLoopResultBuilder]: At program point L753(lines 741 755) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:58:48,079 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2021-12-16 00:58:48,079 INFO L858 garLoopResultBuilder]: For program point L745-2(lines 745 751) no Hoare annotation was computed. [2021-12-16 00:58:48,080 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 789 800) no Hoare annotation was computed. [2021-12-16 00:58:48,080 INFO L858 garLoopResultBuilder]: For program point L793-1(lines 789 800) no Hoare annotation was computed. [2021-12-16 00:58:48,080 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 789 800) the Hoare annotation is: true [2021-12-16 00:58:48,082 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:58:48,083 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:58:48,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:48 BoogieIcfgContainer [2021-12-16 00:58:48,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:58:48,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:58:48,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:58:48,095 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:58:48,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:46" (3/4) ... [2021-12-16 00:58:48,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:58:48,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:58:48,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:58:48,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:58:48,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:58:48,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:58:48,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-12-16 00:58:48,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:58:48,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:58:48,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:58:48,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:58:48,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:48,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:48,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:58:48,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:58:48,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:58:48,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:58:48,124 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:58:48,125 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:58:48,125 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) [2021-12-16 00:58:48,135 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:58:48,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:58:48,135 INFO L158 Benchmark]: Toolchain (without parser) took 2138.63ms. Allocated memory is still 123.7MB. Free memory was 93.8MB in the beginning and 76.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,135 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:48,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.31ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 93.1MB in the end (delta: 129.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.13ms. Allocated memory is still 123.7MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,136 INFO L158 Benchmark]: Boogie Preprocessor took 37.24ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,136 INFO L158 Benchmark]: RCFGBuilder took 361.50ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 75.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,137 INFO L158 Benchmark]: TraceAbstraction took 1362.84ms. Allocated memory is still 123.7MB. Free memory was 74.7MB in the beginning and 80.6MB in the end (delta: -5.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,137 INFO L158 Benchmark]: Witness Printer took 40.41ms. Allocated memory is still 123.7MB. Free memory was 80.6MB in the beginning and 76.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 00:58:48,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.31ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 93.1MB in the end (delta: 129.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.13ms. Allocated memory is still 123.7MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.24ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.50ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 75.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1362.84ms. Allocated memory is still 123.7MB. Free memory was 74.7MB in the beginning and 80.6MB in the end (delta: -5.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 40.41ms. Allocated memory is still 123.7MB. Free memory was 80.6MB in the beginning and 76.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 769]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 479 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 319 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred 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, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 175 PreInvPairs, 221 NumberOfFragments, 221 HoareAnnotationTreeSize, 175 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 989 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (tmp == 0 || !(pumpRunning == 0)) || !(methaneLevelCritical == 0) - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2021-12-16 00:58:48,167 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