./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_spec4_product28.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 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:59:53,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:59:53,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:59:53,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:59:53,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:59:53,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:59:53,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:59:53,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:59:53,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:59:53,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:59:53,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:59:53,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:59:53,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:59:53,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:59:53,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:59:53,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:59:53,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:59:53,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:59:53,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:59:53,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:59:53,892 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:59:53,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:59:53,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:59:53,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:59:53,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:59:53,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:59:53,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:59:53,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:59:53,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:59:53,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:59:53,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:59:53,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:59:53,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:59:53,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:59:53,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:59:53,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:59:53,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:59:53,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:59:53,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:59:53,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:59:53,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:59:53,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:59:53,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:59:53,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:59:53,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:59:53,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:59:53,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:59:53,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:59:53,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:59:53,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:59:53,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:59:53,947 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:59:53,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:59:53,948 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:59:53,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:59:53,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:59:53,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:59:53,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:59:53,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:59:53,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:59:53,949 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:59:53,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:59:53,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:59:53,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:59:53,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:59:53,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:59:53,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:59:53,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:53,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:59:53,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:59:53,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:59:53,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:59:53,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:59:53,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:59:53,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:59:53,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:59:53,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec [2022-07-13 17:59:54,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:59:54,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:59:54,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:59:54,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:59:54,252 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:59:54,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2022-07-13 17:59:54,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97eed3c8/61a9f9863b7a4dd0acd401499bcf7523/FLAG318725b2d [2022-07-13 17:59:54,768 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:59:54,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2022-07-13 17:59:54,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97eed3c8/61a9f9863b7a4dd0acd401499bcf7523/FLAG318725b2d [2022-07-13 17:59:55,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97eed3c8/61a9f9863b7a4dd0acd401499bcf7523 [2022-07-13 17:59:55,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:59:55,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:59:55,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:55,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:59:55,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:59:55,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b25e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55, skipping insertion in model container [2022-07-13 17:59:55,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:59:55,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:59:55,300 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_spec4_product28.cil.c[1605,1618] [2022-07-13 17:59:55,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:55,414 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:59:55,425 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_spec4_product28.cil.c[1605,1618] [2022-07-13 17:59:55,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:55,519 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:59:55,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55 WrapperNode [2022-07-13 17:59:55,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:55,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:55,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:59:55,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:59:55,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,588 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 225 [2022-07-13 17:59:55,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:55,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:59:55,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:59:55,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:59:55,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:59:55,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:59:55,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:59:55,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:59:55,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (1/1) ... [2022-07-13 17:59:55,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:55,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:55,661 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) [2022-07-13 17:59:55,672 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 [2022-07-13 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:59:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:59:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:59:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:59:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:59:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:59:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:59:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:59:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 17:59:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 17:59:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:59:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:59:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:59:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:59:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:59:55,808 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:59:55,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:59:56,096 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:59:56,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:59:56,104 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:59:56,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:56 BoogieIcfgContainer [2022-07-13 17:59:56,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:59:56,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:59:56,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:59:56,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:59:56,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:59:55" (1/3) ... [2022-07-13 17:59:56,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f05732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:56, skipping insertion in model container [2022-07-13 17:59:56,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:55" (2/3) ... [2022-07-13 17:59:56,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f05732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:56, skipping insertion in model container [2022-07-13 17:59:56,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:56" (3/3) ... [2022-07-13 17:59:56,117 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2022-07-13 17:59:56,129 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:59:56,130 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:59:56,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:59:56,196 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e9a4001, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4dde56d2 [2022-07-13 17:59:56,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:59:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-13 17:59:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-13 17:59:56,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:56,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:56,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:56,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:56,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1648394347, now seen corresponding path program 1 times [2022-07-13 17:59:56,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:56,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816436169] [2022-07-13 17:59:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:56,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:56,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:56,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816436169] [2022-07-13 17:59:56,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816436169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:56,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:56,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:59:56,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412253173] [2022-07-13 17:59:56,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:56,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:59:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:56,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:59:56,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:56,557 INFO L87 Difference]: Start difference. First operand has 77 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:56,600 INFO L93 Difference]: Finished difference Result 146 states and 199 transitions. [2022-07-13 17:59:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:59:56,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-13 17:59:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:56,612 INFO L225 Difference]: With dead ends: 146 [2022-07-13 17:59:56,612 INFO L226 Difference]: Without dead ends: 68 [2022-07-13 17:59:56,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:56,621 INFO L413 NwaCegarLoop]: 96 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, 96 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 [2022-07-13 17:59:56,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-07-13 17:59:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-07-13 17:59:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-13 17:59:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-07-13 17:59:56,677 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 19 [2022-07-13 17:59:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:56,677 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-07-13 17:59:56,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-07-13 17:59:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-13 17:59:56,681 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:56,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:56,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:59:56,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:56,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:56,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1560615980, now seen corresponding path program 1 times [2022-07-13 17:59:56,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:56,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130232328] [2022-07-13 17:59:56,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:56,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:56,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:56,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130232328] [2022-07-13 17:59:56,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130232328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:56,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:56,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:56,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082967268] [2022-07-13 17:59:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:56,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:56,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:56,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:56,794 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:56,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:56,823 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2022-07-13 17:59:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-13 17:59:56,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:56,826 INFO L225 Difference]: With dead ends: 97 [2022-07-13 17:59:56,827 INFO L226 Difference]: Without dead ends: 59 [2022-07-13 17:59:56,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:56,832 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 17 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 126 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 [2022-07-13 17:59:56,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:56,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-07-13 17:59:56,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-07-13 17:59:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.326086956521739) internal successors, (61), 52 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 17:59:56,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2022-07-13 17:59:56,844 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 20 [2022-07-13 17:59:56,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:56,845 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2022-07-13 17:59:56,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-07-13 17:59:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:59:56,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:56,851 INFO L195 NwaCegarLoop]: 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] [2022-07-13 17:59:56,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:59:56,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:56,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:56,859 INFO L85 PathProgramCache]: Analyzing trace with hash -554755590, now seen corresponding path program 1 times [2022-07-13 17:59:56,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:56,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807753310] [2022-07-13 17:59:56,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:56,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:56,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:56,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807753310] [2022-07-13 17:59:56,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807753310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:56,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:56,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:59:56,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50222464] [2022-07-13 17:59:56,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:56,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:56,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:56,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:56,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:56,974 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:57,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:57,154 INFO L93 Difference]: Finished difference Result 215 states and 287 transitions. [2022-07-13 17:59:57,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:59:57,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-13 17:59:57,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:57,160 INFO L225 Difference]: With dead ends: 215 [2022-07-13 17:59:57,161 INFO L226 Difference]: Without dead ends: 163 [2022-07-13 17:59:57,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:59:57,169 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 176 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:57,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 420 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:57,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-07-13 17:59:57,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 141. [2022-07-13 17:59:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 122 states have internal predecessors, (148), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (19), 12 states have call predecessors, (19), 18 states have call successors, (19) [2022-07-13 17:59:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2022-07-13 17:59:57,209 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 25 [2022-07-13 17:59:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:57,209 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2022-07-13 17:59:57,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2022-07-13 17:59:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 17:59:57,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:57,212 INFO L195 NwaCegarLoop]: 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] [2022-07-13 17:59:57,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:59:57,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:57,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:57,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1630732591, now seen corresponding path program 1 times [2022-07-13 17:59:57,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:57,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902404034] [2022-07-13 17:59:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:57,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:57,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:57,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902404034] [2022-07-13 17:59:57,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902404034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:57,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:57,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 17:59:57,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064623125] [2022-07-13 17:59:57,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:57,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:59:57,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:57,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:59:57,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:57,282 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:57,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:57,336 INFO L93 Difference]: Finished difference Result 392 states and 536 transitions. [2022-07-13 17:59:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:59:57,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-13 17:59:57,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:57,342 INFO L225 Difference]: With dead ends: 392 [2022-07-13 17:59:57,342 INFO L226 Difference]: Without dead ends: 258 [2022-07-13 17:59:57,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:57,345 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 47 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:57,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 292 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-07-13 17:59:57,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-07-13 17:59:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 196 states have (on average 1.346938775510204) internal successors, (264), 220 states have internal predecessors, (264), 36 states have call successors, (36), 28 states have call predecessors, (36), 25 states have return successors, (42), 21 states have call predecessors, (42), 36 states have call successors, (42) [2022-07-13 17:59:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 342 transitions. [2022-07-13 17:59:57,369 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 342 transitions. Word has length 28 [2022-07-13 17:59:57,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:57,369 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 342 transitions. [2022-07-13 17:59:57,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 342 transitions. [2022-07-13 17:59:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-13 17:59:57,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:57,371 INFO L195 NwaCegarLoop]: 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] [2022-07-13 17:59:57,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:59:57,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:57,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:57,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1914845034, now seen corresponding path program 1 times [2022-07-13 17:59:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:57,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243260193] [2022-07-13 17:59:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:57,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:57,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243260193] [2022-07-13 17:59:57,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243260193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:57,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:57,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:59:57,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296823563] [2022-07-13 17:59:57,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:57,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:57,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:57,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:57,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:57,412 INFO L87 Difference]: Start difference. First operand 258 states and 342 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:57,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:57,427 INFO L93 Difference]: Finished difference Result 448 states and 604 transitions. [2022-07-13 17:59:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:57,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-07-13 17:59:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:57,429 INFO L225 Difference]: With dead ends: 448 [2022-07-13 17:59:57,429 INFO L226 Difference]: Without dead ends: 197 [2022-07-13 17:59:57,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:57,431 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:57,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 50 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:57,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-07-13 17:59:57,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193. [2022-07-13 17:59:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 151 states have (on average 1.271523178807947) internal successors, (192), 161 states have internal predecessors, (192), 22 states have call successors, (22), 22 states have call predecessors, (22), 19 states have return successors, (24), 19 states have call predecessors, (24), 22 states have call successors, (24) [2022-07-13 17:59:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2022-07-13 17:59:57,443 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 30 [2022-07-13 17:59:57,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:57,444 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2022-07-13 17:59:57,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2022-07-13 17:59:57,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 17:59:57,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:57,445 INFO L195 NwaCegarLoop]: 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] [2022-07-13 17:59:57,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:59:57,446 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:57,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:57,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1848826057, now seen corresponding path program 1 times [2022-07-13 17:59:57,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:57,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105440296] [2022-07-13 17:59:57,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:57,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:57,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:57,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105440296] [2022-07-13 17:59:57,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105440296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:57,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:57,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:57,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442208112] [2022-07-13 17:59:57,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:57,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:57,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:57,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:57,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:57,515 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 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) [2022-07-13 17:59:57,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:57,590 INFO L93 Difference]: Finished difference Result 208 states and 254 transitions. [2022-07-13 17:59:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:59:57,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 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 [2022-07-13 17:59:57,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:57,591 INFO L225 Difference]: With dead ends: 208 [2022-07-13 17:59:57,591 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:59:57,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:59:57,593 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 48 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:57,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 151 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:59:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:59:57,594 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) [2022-07-13 17:59:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:59:57,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-07-13 17:59:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:57,596 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:59:57,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 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) [2022-07-13 17:59:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:59:57,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:59:57,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:59:57,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:59:57,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:59:58,195 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 587 594) the Hoare annotation is: true [2022-07-13 17:59:58,195 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 587 594) no Hoare annotation was computed. [2022-07-13 17:59:58,195 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 587 594) no Hoare annotation was computed. [2022-07-13 17:59:58,195 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 528 534) no Hoare annotation was computed. [2022-07-13 17:59:58,196 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 528 534) the Hoare annotation is: true [2022-07-13 17:59:58,196 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 722 733) the Hoare annotation is: true [2022-07-13 17:59:58,196 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 722 733) no Hoare annotation was computed. [2022-07-13 17:59:58,196 INFO L899 garLoopResultBuilder]: For program point L726-1(lines 722 733) no Hoare annotation was computed. [2022-07-13 17:59:58,196 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 804) no Hoare annotation was computed. [2022-07-13 17:59:58,196 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 786 815) no Hoare annotation was computed. [2022-07-13 17:59:58,196 INFO L902 garLoopResultBuilder]: At program point L800-1(lines 800 804) the Hoare annotation is: true [2022-07-13 17:59:58,196 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2022-07-13 17:59:58,196 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 786 815) the Hoare annotation is: true [2022-07-13 17:59:58,196 INFO L902 garLoopResultBuilder]: At program point L796-2(lines 796 810) the Hoare annotation is: true [2022-07-13 17:59:58,196 INFO L902 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: true [2022-07-13 17:59:58,196 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L902 garLoopResultBuilder]: At program point L811(lines 786 815) the Hoare annotation is: true [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point L807(line 807) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 504 527) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L895 garLoopResultBuilder]: At program point L771(lines 766 774) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1)))) [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 521) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 552) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 557) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 664) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L899 garLoopResultBuilder]: For program point L660-2(lines 660 664) no Hoare annotation was computed. [2022-07-13 17:59:58,197 INFO L895 garLoopResultBuilder]: At program point L780(lines 775 783) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:59:58,198 INFO L895 garLoopResultBuilder]: At program point L611(lines 606 614) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2022-07-13 17:59:58,198 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 706) no Hoare annotation was computed. [2022-07-13 17:59:58,198 INFO L895 garLoopResultBuilder]: At program point L702-2(lines 698 709) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:59:58,198 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 507 526) no Hoare annotation was computed. [2022-07-13 17:59:58,198 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-13 17:59:58,198 INFO L895 garLoopResultBuilder]: At program point L550(line 550) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:59:58,198 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:59:58,198 INFO L895 garLoopResultBuilder]: At program point L666(lines 651 669) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:59:58,198 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2022-07-13 17:59:58,198 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:59:58,198 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2022-07-13 17:59:58,199 INFO L895 garLoopResultBuilder]: At program point L435-1(lines 427 451) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~3#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2022-07-13 17:59:58,199 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 504 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2022-07-13 17:59:58,199 INFO L895 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2022-07-13 17:59:58,199 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 504 527) no Hoare annotation was computed. [2022-07-13 17:59:58,199 INFO L895 garLoopResultBuilder]: At program point L555-1(lines 536 560) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2022-07-13 17:59:58,199 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-13 17:59:58,199 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 898) no Hoare annotation was computed. [2022-07-13 17:59:58,199 INFO L895 garLoopResultBuilder]: At program point L486(lines 481 489) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:58,199 INFO L895 garLoopResultBuilder]: At program point L676(line 676) the Hoare annotation is: false [2022-07-13 17:59:58,199 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:59:58,200 INFO L895 garLoopResultBuilder]: At program point L478(lines 474 480) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:58,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:59:58,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:59:58,200 INFO L902 garLoopResultBuilder]: At program point L945(lines 882 949) the Hoare annotation is: true [2022-07-13 17:59:58,200 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2022-07-13 17:59:58,200 INFO L899 garLoopResultBuilder]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2022-07-13 17:59:58,200 INFO L895 garLoopResultBuilder]: At program point L904(line 904) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:59:58,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:59:58,200 INFO L895 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:58,200 INFO L902 garLoopResultBuilder]: At program point L855(lines 848 857) the Hoare annotation is: true [2022-07-13 17:59:58,200 INFO L895 garLoopResultBuilder]: At program point L690(lines 685 692) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:59:58,201 INFO L895 garLoopResultBuilder]: At program point L942(lines 891 943) the Hoare annotation is: false [2022-07-13 17:59:58,201 INFO L895 garLoopResultBuilder]: At program point L682(lines 670 684) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L868(lines 868 875) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 936) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L868-2(lines 868 875) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L674-1(lines 674 680) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L895 garLoopResultBuilder]: At program point L930-2(lines 922 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L893(lines 892 941) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 937) no Hoare annotation was computed. [2022-07-13 17:59:58,201 INFO L895 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:59:58,201 INFO L902 garLoopResultBuilder]: At program point L877(lines 858 880) the Hoare annotation is: true [2022-07-13 17:59:58,202 INFO L895 garLoopResultBuilder]: At program point L844(lines 840 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-13 17:59:58,202 INFO L895 garLoopResultBuilder]: At program point L939(lines 892 941) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:59:58,202 INFO L899 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2022-07-13 17:59:58,202 INFO L899 garLoopResultBuilder]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2022-07-13 17:59:58,202 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 710 721) no Hoare annotation was computed. [2022-07-13 17:59:58,202 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 710 721) no Hoare annotation was computed. [2022-07-13 17:59:58,202 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 710 721) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-07-13 17:59:58,207 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-13 17:59:58,208 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:59:58,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:59:58 BoogieIcfgContainer [2022-07-13 17:59:58,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:59:58,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:59:58,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:59:58,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:59:58,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:56" (3/4) ... [2022-07-13 17:59:58,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:59:58,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 17:59:58,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:59:58,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:59:58,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:59:58,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:59:58,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:59:58,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-13 17:59:58,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:59:58,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:59:58,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:59:58,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:59:58,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:58,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:58,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-13 17:59:58,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-07-13 17:59:58,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:59:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) [2022-07-13 17:59:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-07-13 17:59:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) [2022-07-13 17:59:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:59:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) [2022-07-13 17:59:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:59:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:59:58,285 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:59:58,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:59:58,285 INFO L158 Benchmark]: Toolchain (without parser) took 3149.12ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 62.2MB in the beginning and 57.7MB in the end (delta: 4.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,286 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:58,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.95ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 71.1MB in the end (delta: -9.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.85ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,287 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 67.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,287 INFO L158 Benchmark]: RCFGBuilder took 491.63ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 51.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,288 INFO L158 Benchmark]: TraceAbstraction took 2116.78ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 51.2MB in the beginning and 63.1MB in the end (delta: -11.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,288 INFO L158 Benchmark]: Witness Printer took 60.51ms. Allocated memory is still 130.0MB. Free memory was 63.1MB in the beginning and 57.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 17:59:58,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.95ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 71.1MB in the end (delta: -9.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.85ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 67.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.63ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 51.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2116.78ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 51.2MB in the beginning and 63.1MB in the end (delta: -11.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Witness Printer took 60.51ms. Allocated memory is still 130.0MB. Free memory was 63.1MB in the beginning and 57.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 327 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 1135 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 698 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 437 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred 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, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 353 PreInvPairs, 421 NumberOfFragments, 262 HoareAnnotationTreeSize, 353 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 1777 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 891]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-07-13 17:59:58,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE