./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_product24.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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:13:56,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:13:56,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:13:56,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:13:56,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:13:56,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:13:56,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:13:56,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:13:56,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:13:56,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:13:56,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:13:56,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:13:56,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:13:56,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:13:56,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:13:56,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:13:56,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:13:56,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:13:56,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:13:56,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:13:56,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:13:56,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:13:56,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:13:56,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:13:56,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:13:56,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:13:56,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:13:56,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:13:56,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:13:56,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:13:56,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:13:56,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:13:56,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:13:56,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:13:56,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:13:56,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:13:56,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:13:56,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:13:56,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:13:56,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:13:56,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:13:56,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:13:56,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:13:56,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:13:56,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:13:56,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:13:56,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:13:56,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:13:56,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:13:56,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:13:56,974 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:13:56,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:13:56,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:13:56,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:13:56,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:13:56,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:13:56,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:13:56,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:13:56,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:13:56,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:13:56,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:13:56,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:13:56,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:13:56,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:13:56,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:13:56,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:13:56,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:56,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:13:56,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:13:56,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:13:56,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:13:56,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:13:56,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:13:56,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:13:56,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:13:56,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:13:56,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2021-12-21 13:13:57,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:13:57,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:13:57,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:13:57,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:13:57,234 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:13:57,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2021-12-21 13:13:57,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44580cbb6/a537e0dec37a4489a95764aae294ba72/FLAG1359e9519 [2021-12-21 13:13:57,767 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:13:57,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2021-12-21 13:13:57,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44580cbb6/a537e0dec37a4489a95764aae294ba72/FLAG1359e9519 [2021-12-21 13:13:57,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44580cbb6/a537e0dec37a4489a95764aae294ba72 [2021-12-21 13:13:57,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:13:57,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:13:57,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:13:57,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:13:57,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:13:57,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:13:57" (1/1) ... [2021-12-21 13:13:57,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a4322d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:57, skipping insertion in model container [2021-12-21 13:13:57,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:13:57" (1/1) ... [2021-12-21 13:13:57,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:13:57,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:13:58,125 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_product24.cil.c[13075,13088] [2021-12-21 13:13:58,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:13:58,159 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:13:58,222 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_product24.cil.c[13075,13088] [2021-12-21 13:13:58,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:13:58,257 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:13:58,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58 WrapperNode [2021-12-21 13:13:58,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:13:58,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:13:58,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:13:58,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:13:58,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,297 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 239 [2021-12-21 13:13:58,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:13:58,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:13:58,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:13:58,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:13:58,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:13:58,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:13:58,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:13:58,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:13:58,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (1/1) ... [2021-12-21 13:13:58,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:58,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:13:58,377 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) [2021-12-21 13:13:58,389 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 [2021-12-21 13:13:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:13:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:13:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:13:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:13:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:13:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:13:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:13:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-21 13:13:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-21 13:13:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:13:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:13:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-21 13:13:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-21 13:13:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:13:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:13:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:13:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:13:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:13:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:13:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:13:58,506 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:13:58,507 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:13:58,885 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:13:58,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:13:58,895 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:13:58,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:58 BoogieIcfgContainer [2021-12-21 13:13:58,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:13:58,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:13:58,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:13:58,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:13:58,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:13:57" (1/3) ... [2021-12-21 13:13:58,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109ace28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:13:58, skipping insertion in model container [2021-12-21 13:13:58,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:58" (2/3) ... [2021-12-21 13:13:58,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109ace28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:13:58, skipping insertion in model container [2021-12-21 13:13:58,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:58" (3/3) ... [2021-12-21 13:13:58,905 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2021-12-21 13:13:58,909 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:13:58,909 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:13:58,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:13:58,958 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 [2021-12-21 13:13:58,958 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:13:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 67 states have (on average 1.373134328358209) internal successors, (92), 76 states have internal predecessors, (92), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-21 13:13:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 13:13:58,980 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:58,981 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] [2021-12-21 13:13:58,982 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:58,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:58,986 INFO L85 PathProgramCache]: Analyzing trace with hash 551112364, now seen corresponding path program 1 times [2021-12-21 13:13:58,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:58,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7618053] [2021-12-21 13:13:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:58,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:13:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:59,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:59,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7618053] [2021-12-21 13:13:59,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7618053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:59,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:59,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:13:59,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395409093] [2021-12-21 13:13:59,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:59,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:13:59,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:13:59,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:13:59,300 INFO L87 Difference]: Start difference. First operand has 92 states, 67 states have (on average 1.373134328358209) internal successors, (92), 76 states have internal predecessors, (92), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 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) [2021-12-21 13:13:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:59,340 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2021-12-21 13:13:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:13:59,342 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 [2021-12-21 13:13:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:59,351 INFO L225 Difference]: With dead ends: 176 [2021-12-21 13:13:59,352 INFO L226 Difference]: Without dead ends: 83 [2021-12-21 13:13:59,355 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 [2021-12-21 13:13:59,360 INFO L933 BasicCegarLoop]: 116 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, 116 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 [2021-12-21 13:13:59,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:59,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-12-21 13:13:59,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-12-21 13:13:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.3) internal successors, (78), 68 states have internal predecessors, (78), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-21 13:13:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2021-12-21 13:13:59,411 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2021-12-21 13:13:59,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:59,411 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2021-12-21 13:13:59,412 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) [2021-12-21 13:13:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2021-12-21 13:13:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 13:13:59,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:59,415 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] [2021-12-21 13:13:59,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:13:59,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:59,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1768428516, now seen corresponding path program 1 times [2021-12-21 13:13:59,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:59,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451855955] [2021-12-21 13:13:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:59,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:13:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:59,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:59,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451855955] [2021-12-21 13:13:59,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451855955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:59,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:59,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:13:59,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323819429] [2021-12-21 13:13:59,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:59,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:13:59,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:59,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:13:59,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:13:59,482 INFO L87 Difference]: Start difference. First operand 83 states and 107 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) [2021-12-21 13:13:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:59,495 INFO L93 Difference]: Finished difference Result 127 states and 163 transitions. [2021-12-21 13:13:59,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:13:59,495 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 [2021-12-21 13:13:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:59,497 INFO L225 Difference]: With dead ends: 127 [2021-12-21 13:13:59,497 INFO L226 Difference]: Without dead ends: 74 [2021-12-21 13:13:59,498 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 [2021-12-21 13:13:59,499 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 17 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 166 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 [2021-12-21 13:13:59,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:59,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-21 13:13:59,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-12-21 13:13:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-21 13:13:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2021-12-21 13:13:59,512 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2021-12-21 13:13:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:59,514 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-12-21 13:13:59,514 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) [2021-12-21 13:13:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2021-12-21 13:13:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-21 13:13:59,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:59,518 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] [2021-12-21 13:13:59,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:13:59,518 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:59,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:59,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1665800283, now seen corresponding path program 1 times [2021-12-21 13:13:59,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:59,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321233241] [2021-12-21 13:13:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:59,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:13:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:59,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:59,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321233241] [2021-12-21 13:13:59,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321233241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:59,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:59,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:13:59,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324270722] [2021-12-21 13:13:59,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:59,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:13:59,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:59,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:13:59,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:13:59,630 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-12-21 13:13:59,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:59,722 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions. [2021-12-21 13:13:59,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:13:59,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2021-12-21 13:13:59,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:59,725 INFO L225 Difference]: With dead ends: 183 [2021-12-21 13:13:59,725 INFO L226 Difference]: Without dead ends: 116 [2021-12-21 13:13:59,726 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 [2021-12-21 13:13:59,727 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 158 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:13:59,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 315 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:59,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-12-21 13:13:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2021-12-21 13:13:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 94 states have internal predecessors, (111), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 12 states have call predecessors, (18), 17 states have call successors, (18) [2021-12-21 13:13:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2021-12-21 13:13:59,753 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 29 [2021-12-21 13:13:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:59,753 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2021-12-21 13:13:59,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-12-21 13:13:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2021-12-21 13:13:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-21 13:13:59,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:59,755 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] [2021-12-21 13:13:59,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:13:59,755 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:59,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:59,756 INFO L85 PathProgramCache]: Analyzing trace with hash -675855478, now seen corresponding path program 1 times [2021-12-21 13:13:59,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:59,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61290271] [2021-12-21 13:13:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:59,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:13:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:59,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:59,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61290271] [2021-12-21 13:13:59,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61290271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:59,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:59,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:13:59,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821320926] [2021-12-21 13:13:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:59,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:13:59,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:59,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:13:59,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:13:59,850 INFO L87 Difference]: Start difference. First operand 113 states and 146 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) [2021-12-21 13:13:59,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:59,989 INFO L93 Difference]: Finished difference Result 325 states and 431 transitions. [2021-12-21 13:13:59,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:13:59,990 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 [2021-12-21 13:13:59,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:59,993 INFO L225 Difference]: With dead ends: 325 [2021-12-21 13:13:59,996 INFO L226 Difference]: Without dead ends: 219 [2021-12-21 13:13:59,998 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 [2021-12-21 13:14:00,002 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 66 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:00,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 466 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:14:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-12-21 13:14:00,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2021-12-21 13:14:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 175 states have internal predecessors, (204), 34 states have call successors, (34), 24 states have call predecessors, (34), 24 states have return successors, (38), 24 states have call predecessors, (38), 34 states have call successors, (38) [2021-12-21 13:14:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 276 transitions. [2021-12-21 13:14:00,053 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 276 transitions. Word has length 32 [2021-12-21 13:14:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:00,053 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 276 transitions. [2021-12-21 13:14:00,054 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) [2021-12-21 13:14:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 276 transitions. [2021-12-21 13:14:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-21 13:14:00,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:00,056 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] [2021-12-21 13:14:00,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:14:00,056 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:00,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1268763314, now seen corresponding path program 1 times [2021-12-21 13:14:00,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:00,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993066312] [2021-12-21 13:14:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:00,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:14:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:14:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:00,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:00,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993066312] [2021-12-21 13:14:00,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993066312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:00,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:00,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:14:00,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226972737] [2021-12-21 13:14:00,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:00,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:14:00,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:00,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:14:00,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:14:00,148 INFO L87 Difference]: Start difference. First operand 213 states and 276 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) [2021-12-21 13:14:00,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:00,250 INFO L93 Difference]: Finished difference Result 373 states and 489 transitions. [2021-12-21 13:14:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:14:00,251 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 [2021-12-21 13:14:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:00,251 INFO L225 Difference]: With dead ends: 373 [2021-12-21 13:14:00,252 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:14:00,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:14:00,262 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:00,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 143 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:14:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:14:00,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:14:00,264 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) [2021-12-21 13:14:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:14:00,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-12-21 13:14:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:00,265 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:14:00,265 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) [2021-12-21 13:14:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:14:00,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:14:00,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:14:00,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:14:00,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:14:00,863 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 818 825) the Hoare annotation is: true [2021-12-21 13:14:00,863 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2021-12-21 13:14:00,863 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 818 825) no Hoare annotation was computed. [2021-12-21 13:14:00,863 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 751 757) no Hoare annotation was computed. [2021-12-21 13:14:00,863 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 751 757) the Hoare annotation is: true [2021-12-21 13:14:00,863 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-21 13:14:00,863 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2021-12-21 13:14:00,863 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2021-12-21 13:14:00,863 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 623 652) no Hoare annotation was computed. [2021-12-21 13:14:00,864 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 641) no Hoare annotation was computed. [2021-12-21 13:14:00,864 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 623 652) the Hoare annotation is: true [2021-12-21 13:14:00,864 INFO L861 garLoopResultBuilder]: At program point L637-1(lines 637 641) the Hoare annotation is: true [2021-12-21 13:14:00,864 INFO L858 garLoopResultBuilder]: For program point L634(line 634) no Hoare annotation was computed. [2021-12-21 13:14:00,864 INFO L861 garLoopResultBuilder]: At program point L633-2(lines 633 647) the Hoare annotation is: true [2021-12-21 13:14:00,864 INFO L861 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: true [2021-12-21 13:14:00,864 INFO L858 garLoopResultBuilder]: For program point L629-1(line 629) no Hoare annotation was computed. [2021-12-21 13:14:00,864 INFO L861 garLoopResultBuilder]: At program point L648(lines 623 652) the Hoare annotation is: true [2021-12-21 13:14:00,864 INFO L858 garLoopResultBuilder]: For program point L644(line 644) no Hoare annotation was computed. [2021-12-21 13:14:00,864 INFO L854 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-21 13:14:00,864 INFO L854 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-21 13:14:00,865 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 727 750) no Hoare annotation was computed. [2021-12-21 13:14:00,865 INFO L854 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-12-21 13:14:00,865 INFO L854 garLoopResultBuilder]: At program point L804-1(lines 785 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-12-21 13:14:00,865 INFO L854 garLoopResultBuilder]: At program point L833(lines 826 836) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-21 13:14:00,865 INFO L858 garLoopResultBuilder]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2021-12-21 13:14:00,865 INFO L858 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-12-21 13:14:00,865 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-12-21 13:14:00,865 INFO L854 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-21 13:14:00,865 INFO L854 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-12-21 13:14:00,865 INFO L854 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 547) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L731-1(lines 730 749) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L854 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 727 750) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 532) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 727 750) no Hoare annotation was computed. [2021-12-21 13:14:00,866 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 535) no Hoare annotation was computed. [2021-12-21 13:14:00,867 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-12-21 13:14:00,867 INFO L854 garLoopResultBuilder]: At program point L522-1(lines 514 538) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)))) [2021-12-21 13:14:00,867 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2021-12-21 13:14:00,867 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2021-12-21 13:14:00,867 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2021-12-21 13:14:00,867 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 607) no Hoare annotation was computed. [2021-12-21 13:14:00,867 INFO L854 garLoopResultBuilder]: At program point L601-2(lines 593 608) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-12-21 13:14:00,867 INFO L858 garLoopResultBuilder]: For program point L564(lines 563 612) no Hoare annotation was computed. [2021-12-21 13:14:00,867 INFO L861 garLoopResultBuilder]: At program point L692(lines 685 694) the Hoare annotation is: true [2021-12-21 13:14:00,867 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 608) no Hoare annotation was computed. [2021-12-21 13:14:00,868 INFO L861 garLoopResultBuilder]: At program point L717(lines 698 720) the Hoare annotation is: true [2021-12-21 13:14:00,868 INFO L854 garLoopResultBuilder]: At program point L940(lines 936 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-12-21 13:14:00,868 INFO L854 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: false [2021-12-21 13:14:00,868 INFO L854 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-12-21 13:14:00,868 INFO L854 garLoopResultBuilder]: At program point L610(lines 563 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-12-21 13:14:00,868 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:14:00,868 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:14:00,868 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2021-12-21 13:14:00,868 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:14:00,868 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2021-12-21 13:14:00,873 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-12-21 13:14:00,873 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:14:00,873 INFO L854 garLoopResultBuilder]: At program point L921(lines 916 923) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:14:00,873 INFO L854 garLoopResultBuilder]: At program point L913(lines 901 915) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-12-21 13:14:00,874 INFO L854 garLoopResultBuilder]: At program point L682(lines 678 684) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~5#1| 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:14:00,874 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2021-12-21 13:14:00,874 INFO L858 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2021-12-21 13:14:00,874 INFO L861 garLoopResultBuilder]: At program point L616(lines 553 620) the Hoare annotation is: true [2021-12-21 13:14:00,874 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 589) no Hoare annotation was computed. [2021-12-21 13:14:00,875 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 583 589) no Hoare annotation was computed. [2021-12-21 13:14:00,875 INFO L854 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-12-21 13:14:00,875 INFO L854 garLoopResultBuilder]: At program point L955(lines 950 958) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-12-21 13:14:00,875 INFO L854 garLoopResultBuilder]: At program point L947(lines 943 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-12-21 13:14:00,876 INFO L854 garLoopResultBuilder]: At program point L613(lines 562 614) the Hoare annotation is: false [2021-12-21 13:14:00,876 INFO L858 garLoopResultBuilder]: For program point L708(lines 708 715) no Hoare annotation was computed. [2021-12-21 13:14:00,876 INFO L858 garLoopResultBuilder]: For program point L708-2(lines 708 715) no Hoare annotation was computed. [2021-12-21 13:14:00,876 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2021-12-21 13:14:00,877 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2021-12-21 13:14:00,877 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2021-12-21 13:14:00,877 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 759 783) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-21 13:14:00,878 INFO L854 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-21 13:14:00,878 INFO L854 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-21 13:14:00,878 INFO L854 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-21 13:14:00,879 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 775) no Hoare annotation was computed. [2021-12-21 13:14:00,879 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 759 783) no Hoare annotation was computed. [2021-12-21 13:14:00,880 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 780) no Hoare annotation was computed. [2021-12-21 13:14:00,880 INFO L854 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-21 13:14:00,880 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2021-12-21 13:14:00,880 INFO L858 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2021-12-21 13:14:00,880 INFO L854 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-21 13:14:00,880 INFO L858 garLoopResultBuilder]: For program point L778-1(lines 759 783) no Hoare annotation was computed. [2021-12-21 13:14:00,882 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-21 13:14:00,883 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:14:00,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:14:00 BoogieIcfgContainer [2021-12-21 13:14:00,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:14:00,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:14:00,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:14:00,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:14:00,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:58" (3/4) ... [2021-12-21 13:14:00,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:14:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:14:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:14:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:14:00,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:14:00,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:14:00,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-21 13:14:00,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:14:00,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-21 13:14:00,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-21 13:14:00,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:14:00,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:14:00,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:14:00,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:14:00,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:14:00,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:14:00,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2021-12-21 13:14:00,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-12-21 13:14:00,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2021-12-21 13:14:00,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-21 13:14:00,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-12-21 13:14:00,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2021-12-21 13:14:00,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-12-21 13:14:00,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-21 13:14:00,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2021-12-21 13:14:00,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-12-21 13:14:00,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-21 13:14:00,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-21 13:14:00,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-21 13:14:00,978 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:14:00,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:14:00,979 INFO L158 Benchmark]: Toolchain (without parser) took 3177.90ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 99.2MB in the beginning and 142.5MB in the end (delta: -43.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,979 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:14:00,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.26ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.43ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 94.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,981 INFO L158 Benchmark]: Boogie Preprocessor took 38.90ms. Allocated memory is still 130.0MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,981 INFO L158 Benchmark]: RCFGBuilder took 554.97ms. Allocated memory is still 130.0MB. Free memory was 93.0MB in the beginning and 77.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,981 INFO L158 Benchmark]: TraceAbstraction took 2005.91ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 76.2MB in the beginning and 86.2MB in the end (delta: -9.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,982 INFO L158 Benchmark]: Witness Printer took 73.21ms. Allocated memory is still 169.9MB. Free memory was 86.2MB in the beginning and 142.5MB in the end (delta: -56.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 13:14:00,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.26ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.43ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 94.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.90ms. Allocated memory is still 130.0MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.97ms. Allocated memory is still 130.0MB. Free memory was 93.0MB in the beginning and 77.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2005.91ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 76.2MB in the beginning and 86.2MB in the end (delta: -9.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 73.21ms. Allocated memory is still 169.9MB. Free memory was 86.2MB in the beginning and 142.5MB in the end (delta: -56.4MB). 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: 544]: 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 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 1206 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 736 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 470 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 378 PreInvPairs, 428 NumberOfFragments, 320 HoareAnnotationTreeSize, 378 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1164 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 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: 901]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:14:01,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE