./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_spec1_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:04,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:04,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:04,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:04,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:04,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:04,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:04,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:04,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:04,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:04,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:04,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:04,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:04,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:04,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:04,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:04,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:04,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:04,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:04,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:04,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:04,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:04,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:04,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:04,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:04,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:04,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:04,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:04,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:04,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:04,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:04,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:04,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:04,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:04,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:04,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:04,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:04,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:04,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:04,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:04,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:04,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:04,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:04,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:04,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:04,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:04,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:04,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:04,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:04,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:04,866 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:04,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:04,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:04,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:04,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:04,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:04,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:04,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:04,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:04,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:04,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:04,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:04,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:04,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:04,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:04,869 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:04,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:04,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:04,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:04,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2021-12-16 00:58:05,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:05,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:05,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:05,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:05,085 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:05,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-12-16 00:58:05,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d9ba2b8/7d97850350874030914d421b29a66a71/FLAGa8e207501 [2021-12-16 00:58:05,570 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:05,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-12-16 00:58:05,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d9ba2b8/7d97850350874030914d421b29a66a71/FLAGa8e207501 [2021-12-16 00:58:05,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d9ba2b8/7d97850350874030914d421b29a66a71 [2021-12-16 00:58:05,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:05,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:05,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:05,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:05,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:05,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f80b565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05, skipping insertion in model container [2021-12-16 00:58:05,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:05,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:05,818 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_spec1_product17.cil.c[13023,13036] [2021-12-16 00:58:05,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:05,842 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:05,869 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_spec1_product17.cil.c[13023,13036] [2021-12-16 00:58:05,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:05,890 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:05,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05 WrapperNode [2021-12-16 00:58:05,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:05,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:05,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:05,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:05,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,929 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 213 [2021-12-16 00:58:05,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:05,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:05,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:05,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:05,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:05,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:05,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:05,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:05,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (1/1) ... [2021-12-16 00:58:05,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:05,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:06,024 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 00:58:06,032 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 00:58:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:58:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:58:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:06,107 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:06,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:06,314 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:06,319 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:06,319 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:06,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:06 BoogieIcfgContainer [2021-12-16 00:58:06,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:06,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:06,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:06,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:06,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:05" (1/3) ... [2021-12-16 00:58:06,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6318757d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:06, skipping insertion in model container [2021-12-16 00:58:06,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:05" (2/3) ... [2021-12-16 00:58:06,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6318757d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:06, skipping insertion in model container [2021-12-16 00:58:06,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:06" (3/3) ... [2021-12-16 00:58:06,325 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-12-16 00:58:06,329 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:06,329 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:06,357 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:06,362 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 00:58:06,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 62 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 00:58:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-16 00:58:06,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:06,378 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] [2021-12-16 00:58:06,378 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:06,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:06,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1863512156, now seen corresponding path program 1 times [2021-12-16 00:58:06,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:06,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666088811] [2021-12-16 00:58:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:06,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:58:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:06,602 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 00:58:06,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:06,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666088811] [2021-12-16 00:58:06,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666088811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:06,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:06,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:06,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431039276] [2021-12-16 00:58:06,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:06,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:06,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:06,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:06,633 INFO L87 Difference]: Start difference. First operand has 73 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 62 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 00:58:06,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:06,663 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2021-12-16 00:58:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:06,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2021-12-16 00:58:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:06,675 INFO L225 Difference]: With dead ends: 138 [2021-12-16 00:58:06,675 INFO L226 Difference]: Without dead ends: 64 [2021-12-16 00:58:06,679 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 00:58:06,682 INFO L933 BasicCegarLoop]: 90 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, 90 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 00:58:06,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:06,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-16 00:58:06,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-16 00:58:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 54 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-16 00:58:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2021-12-16 00:58:06,731 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 23 [2021-12-16 00:58:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:06,731 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2021-12-16 00:58:06,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 00:58:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-12-16 00:58:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 00:58:06,736 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:06,736 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] [2021-12-16 00:58:06,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:06,737 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:06,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:06,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1636042670, now seen corresponding path program 1 times [2021-12-16 00:58:06,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:06,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325383977] [2021-12-16 00:58:06,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:06,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:06,810 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 00:58:06,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:06,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325383977] [2021-12-16 00:58:06,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325383977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:06,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:06,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:06,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604019088] [2021-12-16 00:58:06,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:06,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:06,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:06,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:06,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:06,813 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 00:58:06,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:06,825 INFO L93 Difference]: Finished difference Result 94 states and 118 transitions. [2021-12-16 00:58:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:06,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2021-12-16 00:58:06,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:06,832 INFO L225 Difference]: With dead ends: 94 [2021-12-16 00:58:06,832 INFO L226 Difference]: Without dead ends: 55 [2021-12-16 00:58:06,833 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 00:58:06,834 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 12 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 120 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 00:58:06,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-16 00:58:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-16 00:58:06,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-16 00:58:06,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2021-12-16 00:58:06,844 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 24 [2021-12-16 00:58:06,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:06,845 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2021-12-16 00:58:06,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 00:58:06,845 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-12-16 00:58:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-16 00:58:06,846 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:06,846 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] [2021-12-16 00:58:06,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:06,847 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:06,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:06,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1620101616, now seen corresponding path program 1 times [2021-12-16 00:58:06,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:06,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857428730] [2021-12-16 00:58:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:06,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:58:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:06,935 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 00:58:06,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:06,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857428730] [2021-12-16 00:58:06,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857428730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:06,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:06,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:06,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597959644] [2021-12-16 00:58:06,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:06,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:06,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:06,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:06,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:06,938 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 00:58:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:06,947 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2021-12-16 00:58:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:06,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2021-12-16 00:58:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:06,949 INFO L225 Difference]: With dead ends: 103 [2021-12-16 00:58:06,949 INFO L226 Difference]: Without dead ends: 55 [2021-12-16 00:58:06,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 00:58:06,950 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 67 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 00:58:06,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:06,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-16 00:58:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-16 00:58:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-16 00:58:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2021-12-16 00:58:06,968 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 28 [2021-12-16 00:58:06,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:06,969 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2021-12-16 00:58:06,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 00:58:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2021-12-16 00:58:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 00:58:06,970 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:06,970 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] [2021-12-16 00:58:06,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:58:06,971 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:06,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1951185566, now seen corresponding path program 1 times [2021-12-16 00:58:06,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:06,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555702290] [2021-12-16 00:58:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:06,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:58:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:58:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,039 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 00:58:07,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:07,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555702290] [2021-12-16 00:58:07,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555702290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:07,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:07,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:07,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819213386] [2021-12-16 00:58:07,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:07,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:07,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:07,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:07,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:07,041 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:58:07,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:07,119 INFO L93 Difference]: Finished difference Result 150 states and 192 transitions. [2021-12-16 00:58:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:58:07,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 00:58:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:07,121 INFO L225 Difference]: With dead ends: 150 [2021-12-16 00:58:07,122 INFO L226 Difference]: Without dead ends: 102 [2021-12-16 00:58:07,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 00:58:07,123 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 41 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:07,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 321 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:07,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-16 00:58:07,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2021-12-16 00:58:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 85 states have internal predecessors, (99), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-16 00:58:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2021-12-16 00:58:07,136 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 33 [2021-12-16 00:58:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:07,137 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2021-12-16 00:58:07,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:58:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2021-12-16 00:58:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-16 00:58:07,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:07,138 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] [2021-12-16 00:58:07,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:58:07,139 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:07,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:07,139 INFO L85 PathProgramCache]: Analyzing trace with hash 867565658, now seen corresponding path program 1 times [2021-12-16 00:58:07,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:07,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016748369] [2021-12-16 00:58:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:07,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 00:58:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 00:58:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:58:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:07,198 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 00:58:07,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:07,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016748369] [2021-12-16 00:58:07,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016748369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:07,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:07,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:58:07,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094028672] [2021-12-16 00:58:07,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:07,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:58:07,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:07,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:58:07,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:58:07,201 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 00:58:07,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:07,269 INFO L93 Difference]: Finished difference Result 174 states and 219 transitions. [2021-12-16 00:58:07,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:58:07,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2021-12-16 00:58:07,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:07,270 INFO L225 Difference]: With dead ends: 174 [2021-12-16 00:58:07,270 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:58:07,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 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 00:58:07,271 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:58:07,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 125 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:07,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:58:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:58:07,273 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 00:58:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:58:07,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-12-16 00:58:07,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:07,273 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:58:07,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 00:58:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:58:07,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:58:07,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:58:07,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:58:07,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:58:07,609 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 590 596) no Hoare annotation was computed. [2021-12-16 00:58:07,609 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 590 596) the Hoare annotation is: true [2021-12-16 00:58:07,610 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 742 753) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,610 INFO L858 garLoopResultBuilder]: For program point L746-1(lines 742 753) no Hoare annotation was computed. [2021-12-16 00:58:07,610 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 742 753) no Hoare annotation was computed. [2021-12-16 00:58:07,610 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-12-16 00:58:07,610 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 708) no Hoare annotation was computed. [2021-12-16 00:58:07,611 INFO L854 garLoopResultBuilder]: At program point L655(lines 650 658) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-16 00:58:07,611 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 566 589) no Hoare annotation was computed. [2021-12-16 00:58:07,611 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-12-16 00:58:07,611 INFO L854 garLoopResultBuilder]: At program point L800(lines 795 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,611 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2021-12-16 00:58:07,611 INFO L858 garLoopResultBuilder]: For program point L606(lines 606 614) no Hoare annotation was computed. [2021-12-16 00:58:07,611 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-12-16 00:58:07,612 INFO L854 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-16 00:58:07,612 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 619) no Hoare annotation was computed. [2021-12-16 00:58:07,612 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2021-12-16 00:58:07,612 INFO L854 garLoopResultBuilder]: At program point L722-2(lines 718 729) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,612 INFO L858 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-12-16 00:58:07,612 INFO L854 garLoopResultBuilder]: At program point L710(lines 695 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,613 INFO L854 garLoopResultBuilder]: At program point L636(lines 631 638) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,613 INFO L858 garLoopResultBuilder]: For program point L570-1(lines 569 588) no Hoare annotation was computed. [2021-12-16 00:58:07,613 INFO L854 garLoopResultBuilder]: At program point L554(lines 549 556) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,613 INFO L854 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:58:07,613 INFO L854 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,613 INFO L858 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2021-12-16 00:58:07,613 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 566 589) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,614 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 566 589) no Hoare annotation was computed. [2021-12-16 00:58:07,614 INFO L854 garLoopResultBuilder]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,614 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-12-16 00:58:07,614 INFO L854 garLoopResultBuilder]: At program point L617-1(lines 598 622) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,614 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2021-12-16 00:58:07,614 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2021-12-16 00:58:07,614 INFO L861 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2021-12-16 00:58:07,615 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-12-16 00:58:07,615 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-12-16 00:58:07,615 INFO L861 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2021-12-16 00:58:07,615 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-16 00:58:07,615 INFO L861 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2021-12-16 00:58:07,615 INFO L861 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2021-12-16 00:58:07,615 INFO L858 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2021-12-16 00:58:07,615 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 754 762) the Hoare annotation is: true [2021-12-16 00:58:07,616 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 754 762) no Hoare annotation was computed. [2021-12-16 00:58:07,616 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 754 762) no Hoare annotation was computed. [2021-12-16 00:58:07,616 INFO L854 garLoopResultBuilder]: At program point L861(lines 814 862) the Hoare annotation is: false [2021-12-16 00:58:07,616 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-12-16 00:58:07,616 INFO L858 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2021-12-16 00:58:07,616 INFO L858 garLoopResultBuilder]: For program point L816(lines 815 860) no Hoare annotation was computed. [2021-12-16 00:58:07,616 INFO L858 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-12-16 00:58:07,617 INFO L861 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2021-12-16 00:58:07,617 INFO L854 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,617 INFO L861 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-12-16 00:58:07,617 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:58:07,617 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:58:07,617 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:58:07,617 INFO L854 garLoopResultBuilder]: At program point L858(lines 815 860) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,617 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 831) no Hoare annotation was computed. [2021-12-16 00:58:07,618 INFO L858 garLoopResultBuilder]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2021-12-16 00:58:07,618 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 821) no Hoare annotation was computed. [2021-12-16 00:58:07,618 INFO L854 garLoopResultBuilder]: At program point L900(lines 895 903) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,618 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:58:07,618 INFO L854 garLoopResultBuilder]: At program point L892(lines 888 894) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,618 INFO L854 garLoopResultBuilder]: At program point L508(lines 504 510) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,618 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 855) no Hoare annotation was computed. [2021-12-16 00:58:07,619 INFO L854 garLoopResultBuilder]: At program point L851-2(lines 845 856) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,619 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2021-12-16 00:58:07,619 INFO L858 garLoopResultBuilder]: For program point L835-1(lines 835 841) no Hoare annotation was computed. [2021-12-16 00:58:07,619 INFO L861 garLoopResultBuilder]: At program point L864(lines 805 868) the Hoare annotation is: true [2021-12-16 00:58:07,619 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,619 INFO L854 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:58:07,619 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 730 741) no Hoare annotation was computed. [2021-12-16 00:58:07,620 INFO L858 garLoopResultBuilder]: For program point L734-1(lines 730 741) no Hoare annotation was computed. [2021-12-16 00:58:07,620 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 730 741) the Hoare annotation is: true [2021-12-16 00:58:07,634 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:58:07,636 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:58:07,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:07 BoogieIcfgContainer [2021-12-16 00:58:07,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:58:07,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:58:07,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:58:07,649 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:58:07,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:06" (3/4) ... [2021-12-16 00:58:07,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:58:07,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:58:07,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:58:07,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:58:07,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:58:07,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:58:07,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:58:07,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-16 00:58:07,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:58:07,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:58:07,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:58:07,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:58:07,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:07,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:58:07,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:07,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 [2021-12-16 00:58:07,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) && (((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-16 00:58:07,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-16 00:58:07,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:07,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:07,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:07,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:58:07,688 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:58:07,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:58:07,689 INFO L158 Benchmark]: Toolchain (without parser) took 2090.30ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 72.2MB in the end (delta: 31.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,690 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:58:07,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.71ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 101.3MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.46ms. Allocated memory is still 132.1MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,690 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 97.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,691 INFO L158 Benchmark]: RCFGBuilder took 346.48ms. Allocated memory is still 132.1MB. Free memory was 97.5MB in the beginning and 82.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,691 INFO L158 Benchmark]: TraceAbstraction took 1326.79ms. Allocated memory is still 132.1MB. Free memory was 82.0MB in the beginning and 77.7MB in the end (delta: 4.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,691 INFO L158 Benchmark]: Witness Printer took 40.53ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 72.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:58:07,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.71ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 101.3MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.46ms. Allocated memory is still 132.1MB. Free memory was 101.3MB in the beginning and 99.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 97.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.48ms. Allocated memory is still 132.1MB. Free memory was 97.5MB in the beginning and 82.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1326.79ms. Allocated memory is still 132.1MB. Free memory was 82.0MB in the beginning and 77.7MB in the end (delta: 4.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 40.53ms. Allocated memory is still 132.1MB. Free memory was 77.7MB in the beginning and 72.2MB in the end (delta: 5.5MB). 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: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 73 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, 155 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 723 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 383 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 340 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 190 PreInvPairs, 212 NumberOfFragments, 265 HoareAnnotationTreeSize, 190 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 487 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 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: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) && (((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:58:07,733 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