./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_spec3_product46.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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:24:37,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:24:37,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:24:37,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:24:37,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:24:37,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:24:37,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:24:37,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:24:37,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:24:37,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:24:37,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:24:37,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:24:37,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:24:37,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:24:37,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:24:37,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:24:37,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:24:37,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:24:37,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:24:37,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:24:37,865 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:24:37,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:24:37,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:24:37,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:24:37,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:24:37,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:24:37,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:24:37,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:24:37,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:24:37,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:24:37,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:24:37,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:24:37,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:24:37,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:24:37,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:24:37,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:24:37,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:24:37,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:24:37,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:24:37,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:24:37,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:24:37,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:24:37,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:24:37,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:24:37,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:24:37,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:24:37,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:24:37,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:24:37,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:24:37,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:24:37,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:24:37,924 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:24:37,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:24:37,925 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:24:37,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:24:37,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:24:37,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:24:37,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:24:37,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:24:37,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:24:37,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:24:37,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:24:37,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:24:37,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:24:37,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:24:37,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:24:37,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:24:37,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:24:37,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:24:37,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:24:37,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:24:37,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:24:37,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:24:37,931 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:24:37,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:24:37,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:24:37,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2022-07-19 17:24:38,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:24:38,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:24:38,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:24:38,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:24:38,180 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:24:38,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2022-07-19 17:24:38,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec577d0d/74d027a78e0c4d6daa28ef664f24b8c9/FLAGfe3ab59a1 [2022-07-19 17:24:38,621 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:24:38,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2022-07-19 17:24:38,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec577d0d/74d027a78e0c4d6daa28ef664f24b8c9/FLAGfe3ab59a1 [2022-07-19 17:24:38,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec577d0d/74d027a78e0c4d6daa28ef664f24b8c9 [2022-07-19 17:24:38,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:24:38,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:24:38,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:24:38,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:24:38,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:24:38,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:24:38" (1/1) ... [2022-07-19 17:24:38,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71314a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:38, skipping insertion in model container [2022-07-19 17:24:38,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:24:38" (1/1) ... [2022-07-19 17:24:38,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:24:38,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:24:39,080 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_spec3_product46.cil.c[18431,18444] [2022-07-19 17:24:39,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:24:39,097 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:24:39,167 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_spec3_product46.cil.c[18431,18444] [2022-07-19 17:24:39,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:24:39,191 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:24:39,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39 WrapperNode [2022-07-19 17:24:39,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:24:39,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:24:39,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:24:39,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:24:39,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,263 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2022-07-19 17:24:39,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:24:39,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:24:39,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:24:39,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:24:39,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:24:39,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:24:39,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:24:39,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:24:39,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (1/1) ... [2022-07-19 17:24:39,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:24:39,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:39,328 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) [2022-07-19 17:24:39,329 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 [2022-07-19 17:24:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:24:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:24:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:24:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:24:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:24:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:24:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:24:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:24:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:24:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:24:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:24:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:24:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:24:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-19 17:24:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-19 17:24:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:24:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:24:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:24:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:24:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:24:39,435 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:24:39,436 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:24:39,758 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:24:39,763 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:24:39,763 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:24:39,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:39 BoogieIcfgContainer [2022-07-19 17:24:39,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:24:39,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:24:39,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:24:39,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:24:39,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:24:38" (1/3) ... [2022-07-19 17:24:39,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765f5d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:24:39, skipping insertion in model container [2022-07-19 17:24:39,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:39" (2/3) ... [2022-07-19 17:24:39,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765f5d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:24:39, skipping insertion in model container [2022-07-19 17:24:39,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:39" (3/3) ... [2022-07-19 17:24:39,773 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2022-07-19 17:24:39,786 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:24:39,787 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:24:39,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:24:39,848 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@4589b834, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5db81f58 [2022-07-19 17:24:39,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:24:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-19 17:24:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 17:24:39,863 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:39,864 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] [2022-07-19 17:24:39,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:39,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1887688965, now seen corresponding path program 1 times [2022-07-19 17:24:39,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:39,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213837621] [2022-07-19 17:24:39,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:39,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:24:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:40,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:40,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213837621] [2022-07-19 17:24:40,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213837621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:40,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:40,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:24:40,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309093932] [2022-07-19 17:24:40,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:40,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:24:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:40,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:24:40,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:24:40,169 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:40,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:40,218 INFO L93 Difference]: Finished difference Result 184 states and 249 transitions. [2022-07-19 17:24:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:24:40,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-19 17:24:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:40,230 INFO L225 Difference]: With dead ends: 184 [2022-07-19 17:24:40,230 INFO L226 Difference]: Without dead ends: 87 [2022-07-19 17:24:40,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:24:40,239 INFO L413 NwaCegarLoop]: 121 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, 121 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 [2022-07-19 17:24:40,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-07-19 17:24:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-07-19 17:24:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:24:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-07-19 17:24:40,282 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2022-07-19 17:24:40,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:40,283 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-07-19 17:24:40,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-07-19 17:24:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 17:24:40,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:40,286 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] [2022-07-19 17:24:40,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:24:40,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:40,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2062523597, now seen corresponding path program 1 times [2022-07-19 17:24:40,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:40,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711361424] [2022-07-19 17:24:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:24:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:40,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:40,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711361424] [2022-07-19 17:24:40,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711361424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:40,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:40,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:24:40,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568624283] [2022-07-19 17:24:40,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:40,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:24:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:40,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:24:40,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:40,356 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:40,375 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2022-07-19 17:24:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:24:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-19 17:24:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:40,382 INFO L225 Difference]: With dead ends: 139 [2022-07-19 17:24:40,383 INFO L226 Difference]: Without dead ends: 78 [2022-07-19 17:24:40,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:40,391 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 181 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 [2022-07-19 17:24:40,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:40,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-19 17:24:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-19 17:24:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:24:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-07-19 17:24:40,410 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2022-07-19 17:24:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:40,411 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-07-19 17:24:40,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-07-19 17:24:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-19 17:24:40,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:40,416 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] [2022-07-19 17:24:40,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:24:40,416 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:40,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash -89675643, now seen corresponding path program 1 times [2022-07-19 17:24:40,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:40,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881696410] [2022-07-19 17:24:40,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:40,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:24:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:40,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:40,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881696410] [2022-07-19 17:24:40,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881696410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:40,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:40,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:24:40,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15849430] [2022-07-19 17:24:40,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:40,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:24:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:40,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:24:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:24:40,546 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:40,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:40,686 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2022-07-19 17:24:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:24:40,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-19 17:24:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:40,691 INFO L225 Difference]: With dead ends: 149 [2022-07-19 17:24:40,691 INFO L226 Difference]: Without dead ends: 78 [2022-07-19 17:24:40,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:24:40,696 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 125 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:40,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 207 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-19 17:24:40,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-19 17:24:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:24:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-07-19 17:24:40,712 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 31 [2022-07-19 17:24:40,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:40,712 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-07-19 17:24:40,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:24:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-07-19 17:24:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-19 17:24:40,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:40,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:40,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:24:40,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:40,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:40,718 INFO L85 PathProgramCache]: Analyzing trace with hash -106405387, now seen corresponding path program 1 times [2022-07-19 17:24:40,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:40,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609711166] [2022-07-19 17:24:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:24:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:24:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:24:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:40,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:40,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609711166] [2022-07-19 17:24:40,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609711166] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:40,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:40,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:40,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339368279] [2022-07-19 17:24:40,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:40,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:40,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:40,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:40,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:40,828 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 17:24:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:41,029 INFO L93 Difference]: Finished difference Result 233 states and 295 transitions. [2022-07-19 17:24:41,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:24:41,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-07-19 17:24:41,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:41,032 INFO L225 Difference]: With dead ends: 233 [2022-07-19 17:24:41,032 INFO L226 Difference]: Without dead ends: 162 [2022-07-19 17:24:41,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:24:41,034 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 187 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:41,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 313 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:24:41,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-19 17:24:41,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-07-19 17:24:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.2605042016806722) internal successors, (150), 127 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-07-19 17:24:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2022-07-19 17:24:41,051 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 191 transitions. Word has length 41 [2022-07-19 17:24:41,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:41,051 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-07-19 17:24:41,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 17:24:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2022-07-19 17:24:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-19 17:24:41,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:41,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:41,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:24:41,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:41,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:41,054 INFO L85 PathProgramCache]: Analyzing trace with hash -822814067, now seen corresponding path program 1 times [2022-07-19 17:24:41,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:41,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186033059] [2022-07-19 17:24:41,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:24:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:24:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:41,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:41,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186033059] [2022-07-19 17:24:41,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186033059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:41,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:41,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:24:41,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944928093] [2022-07-19 17:24:41,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:41,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:24:41,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:24:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:24:41,187 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:24:41,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:41,408 INFO L93 Difference]: Finished difference Result 405 states and 515 transitions. [2022-07-19 17:24:41,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:24:41,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-19 17:24:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:41,415 INFO L225 Difference]: With dead ends: 405 [2022-07-19 17:24:41,416 INFO L226 Difference]: Without dead ends: 256 [2022-07-19 17:24:41,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:24:41,418 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 138 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:41,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 366 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:24:41,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-07-19 17:24:41,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 248. [2022-07-19 17:24:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 200 states have internal predecessors, (236), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-07-19 17:24:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 306 transitions. [2022-07-19 17:24:41,476 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 306 transitions. Word has length 47 [2022-07-19 17:24:41,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:41,476 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 306 transitions. [2022-07-19 17:24:41,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:24:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 306 transitions. [2022-07-19 17:24:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-19 17:24:41,478 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:41,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:24:41,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:41,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash 688456935, now seen corresponding path program 1 times [2022-07-19 17:24:41,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:41,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947219501] [2022-07-19 17:24:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:41,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:24:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:41,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:41,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947219501] [2022-07-19 17:24:41,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947219501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:41,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:41,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:24:41,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86179373] [2022-07-19 17:24:41,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:41,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:24:41,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:41,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:24:41,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:24:41,600 INFO L87 Difference]: Start difference. First operand 248 states and 306 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:24:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:42,010 INFO L93 Difference]: Finished difference Result 594 states and 765 transitions. [2022-07-19 17:24:42,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 17:24:42,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-19 17:24:42,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:42,017 INFO L225 Difference]: With dead ends: 594 [2022-07-19 17:24:42,017 INFO L226 Difference]: Without dead ends: 445 [2022-07-19 17:24:42,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-07-19 17:24:42,020 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 299 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:42,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 364 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 17:24:42,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-07-19 17:24:42,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 411. [2022-07-19 17:24:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 332 states have internal predecessors, (382), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2022-07-19 17:24:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 509 transitions. [2022-07-19 17:24:42,056 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 509 transitions. Word has length 51 [2022-07-19 17:24:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:42,057 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 509 transitions. [2022-07-19 17:24:42,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:24:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 509 transitions. [2022-07-19 17:24:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-19 17:24:42,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:42,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:42,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:24:42,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:42,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:42,062 INFO L85 PathProgramCache]: Analyzing trace with hash 554443429, now seen corresponding path program 1 times [2022-07-19 17:24:42,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:42,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517699422] [2022-07-19 17:24:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:42,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:24:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:42,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:42,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517699422] [2022-07-19 17:24:42,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517699422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:42,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:42,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:24:42,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918850522] [2022-07-19 17:24:42,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:42,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:24:42,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:42,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:24:42,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:24:42,121 INFO L87 Difference]: Start difference. First operand 411 states and 509 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:24:42,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:42,372 INFO L93 Difference]: Finished difference Result 761 states and 949 transitions. [2022-07-19 17:24:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 17:24:42,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-19 17:24:42,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:42,375 INFO L225 Difference]: With dead ends: 761 [2022-07-19 17:24:42,375 INFO L226 Difference]: Without dead ends: 445 [2022-07-19 17:24:42,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:24:42,381 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 159 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:42,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 336 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:24:42,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-07-19 17:24:42,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 411. [2022-07-19 17:24:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 332 states have internal predecessors, (381), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2022-07-19 17:24:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 508 transitions. [2022-07-19 17:24:42,414 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 508 transitions. Word has length 51 [2022-07-19 17:24:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:42,416 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 508 transitions. [2022-07-19 17:24:42,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:24:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 508 transitions. [2022-07-19 17:24:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-19 17:24:42,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:42,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:42,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:24:42,418 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:42,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:42,418 INFO L85 PathProgramCache]: Analyzing trace with hash 773298147, now seen corresponding path program 1 times [2022-07-19 17:24:42,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:42,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378002212] [2022-07-19 17:24:42,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:42,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:24:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:42,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:42,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378002212] [2022-07-19 17:24:42,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378002212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:42,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:42,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:24:42,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391021726] [2022-07-19 17:24:42,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:42,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:24:42,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:42,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:24:42,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:24:42,501 INFO L87 Difference]: Start difference. First operand 411 states and 508 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:24:42,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:42,738 INFO L93 Difference]: Finished difference Result 844 states and 1055 transitions. [2022-07-19 17:24:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:24:42,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-19 17:24:42,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:42,741 INFO L225 Difference]: With dead ends: 844 [2022-07-19 17:24:42,742 INFO L226 Difference]: Without dead ends: 440 [2022-07-19 17:24:42,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:24:42,744 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 163 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:42,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 385 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:24:42,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-07-19 17:24:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 414. [2022-07-19 17:24:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 317 states have (on average 1.2145110410094637) internal successors, (385), 336 states have internal predecessors, (385), 49 states have call successors, (49), 38 states have call predecessors, (49), 47 states have return successors, (76), 50 states have call predecessors, (76), 49 states have call successors, (76) [2022-07-19 17:24:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 510 transitions. [2022-07-19 17:24:42,780 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 510 transitions. Word has length 51 [2022-07-19 17:24:42,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:42,780 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 510 transitions. [2022-07-19 17:24:42,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:24:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 510 transitions. [2022-07-19 17:24:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:24:42,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:42,782 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:42,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:24:42,782 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash 271087281, now seen corresponding path program 1 times [2022-07-19 17:24:42,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:42,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143024103] [2022-07-19 17:24:42,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:42,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-19 17:24:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:24:42,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:42,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143024103] [2022-07-19 17:24:42,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143024103] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:24:42,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125872692] [2022-07-19 17:24:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:42,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:42,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:24:42,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:24:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:42,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-19 17:24:42,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:24:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:24:43,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:24:43,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125872692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:43,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:24:43,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-07-19 17:24:43,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548289276] [2022-07-19 17:24:43,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:43,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:24:43,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:43,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:24:43,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:24:43,216 INFO L87 Difference]: Start difference. First operand 414 states and 510 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:24:43,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:43,366 INFO L93 Difference]: Finished difference Result 1211 states and 1518 transitions. [2022-07-19 17:24:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:24:43,367 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-19 17:24:43,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:43,371 INFO L225 Difference]: With dead ends: 1211 [2022-07-19 17:24:43,371 INFO L226 Difference]: Without dead ends: 804 [2022-07-19 17:24:43,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:24:43,373 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 55 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:43,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 609 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2022-07-19 17:24:43,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 802. [2022-07-19 17:24:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 612 states have (on average 1.2026143790849673) internal successors, (736), 646 states have internal predecessors, (736), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (154), 98 states have call predecessors, (154), 97 states have call successors, (154) [2022-07-19 17:24:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 987 transitions. [2022-07-19 17:24:43,434 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 987 transitions. Word has length 60 [2022-07-19 17:24:43,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:43,434 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 987 transitions. [2022-07-19 17:24:43,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:24:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 987 transitions. [2022-07-19 17:24:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-19 17:24:43,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:43,436 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:43,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:43,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:43,650 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash -907258435, now seen corresponding path program 1 times [2022-07-19 17:24:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:43,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558625280] [2022-07-19 17:24:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:43,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:24:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:24:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:24:43,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:43,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558625280] [2022-07-19 17:24:43,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558625280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:43,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:43,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 17:24:43,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756291227] [2022-07-19 17:24:43,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:43,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 17:24:43,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:43,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 17:24:43,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:24:43,758 INFO L87 Difference]: Start difference. First operand 802 states and 987 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:24:44,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:44,250 INFO L93 Difference]: Finished difference Result 1620 states and 1989 transitions. [2022-07-19 17:24:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 17:24:44,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-07-19 17:24:44,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:44,255 INFO L225 Difference]: With dead ends: 1620 [2022-07-19 17:24:44,255 INFO L226 Difference]: Without dead ends: 825 [2022-07-19 17:24:44,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2022-07-19 17:24:44,259 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 300 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:44,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 683 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 17:24:44,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-07-19 17:24:44,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 802. [2022-07-19 17:24:44,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 612 states have (on average 1.1862745098039216) internal successors, (726), 646 states have internal predecessors, (726), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (139), 98 states have call predecessors, (139), 97 states have call successors, (139) [2022-07-19 17:24:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 962 transitions. [2022-07-19 17:24:44,321 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 962 transitions. Word has length 61 [2022-07-19 17:24:44,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:44,323 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 962 transitions. [2022-07-19 17:24:44,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:24:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 962 transitions. [2022-07-19 17:24:44,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 17:24:44,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:44,325 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:44,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 17:24:44,326 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:44,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:44,326 INFO L85 PathProgramCache]: Analyzing trace with hash -662505803, now seen corresponding path program 1 times [2022-07-19 17:24:44,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:44,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727620587] [2022-07-19 17:24:44,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:44,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:24:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:24:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 17:24:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:24:44,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:44,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727620587] [2022-07-19 17:24:44,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727620587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:44,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:44,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:24:44,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326451038] [2022-07-19 17:24:44,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:44,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:24:44,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:24:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:24:44,462 INFO L87 Difference]: Start difference. First operand 802 states and 962 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 17:24:45,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:45,430 INFO L93 Difference]: Finished difference Result 1598 states and 1936 transitions. [2022-07-19 17:24:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-19 17:24:45,431 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-07-19 17:24:45,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:45,435 INFO L225 Difference]: With dead ends: 1598 [2022-07-19 17:24:45,435 INFO L226 Difference]: Without dead ends: 803 [2022-07-19 17:24:45,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2022-07-19 17:24:45,438 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 345 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:45,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 404 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 17:24:45,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2022-07-19 17:24:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 770. [2022-07-19 17:24:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1551724137931034) internal successors, (670), 614 states have internal predecessors, (670), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2022-07-19 17:24:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 900 transitions. [2022-07-19 17:24:45,478 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 900 transitions. Word has length 64 [2022-07-19 17:24:45,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:45,478 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 900 transitions. [2022-07-19 17:24:45,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 17:24:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 900 transitions. [2022-07-19 17:24:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-19 17:24:45,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:45,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:45,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 17:24:45,483 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:45,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:45,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060045, now seen corresponding path program 1 times [2022-07-19 17:24:45,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:45,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516853055] [2022-07-19 17:24:45,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 17:24:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:24:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:24:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:24:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:24:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:24:45,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:45,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516853055] [2022-07-19 17:24:45,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516853055] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:45,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:45,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 17:24:45,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900599729] [2022-07-19 17:24:45,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:45,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:24:45,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:45,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:24:45,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:24:45,569 INFO L87 Difference]: Start difference. First operand 770 states and 900 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:45,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:45,782 INFO L93 Difference]: Finished difference Result 1537 states and 1816 transitions. [2022-07-19 17:24:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:24:45,783 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2022-07-19 17:24:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:45,787 INFO L225 Difference]: With dead ends: 1537 [2022-07-19 17:24:45,787 INFO L226 Difference]: Without dead ends: 774 [2022-07-19 17:24:45,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:24:45,790 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 136 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:45,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 385 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:24:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-07-19 17:24:45,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 770. [2022-07-19 17:24:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1482758620689655) internal successors, (666), 614 states have internal predecessors, (666), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2022-07-19 17:24:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 896 transitions. [2022-07-19 17:24:45,834 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 896 transitions. Word has length 99 [2022-07-19 17:24:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:45,834 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 896 transitions. [2022-07-19 17:24:45,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 896 transitions. [2022-07-19 17:24:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-19 17:24:45,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:45,838 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:45,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 17:24:45,838 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:45,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1306684405, now seen corresponding path program 1 times [2022-07-19 17:24:45,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:45,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142000044] [2022-07-19 17:24:45,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:45,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 17:24:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:24:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:24:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:24:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:24:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 17:24:45,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:45,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142000044] [2022-07-19 17:24:45,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142000044] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:24:45,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830060655] [2022-07-19 17:24:45,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:45,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:45,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:45,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:24:45,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:24:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 17:24:46,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:24:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:24:46,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:24:46,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830060655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:46,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:24:46,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-19 17:24:46,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216697681] [2022-07-19 17:24:46,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:46,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 17:24:46,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:46,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 17:24:46,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:24:46,135 INFO L87 Difference]: Start difference. First operand 770 states and 896 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:46,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:46,183 INFO L93 Difference]: Finished difference Result 1389 states and 1635 transitions. [2022-07-19 17:24:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 17:24:46,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2022-07-19 17:24:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:46,187 INFO L225 Difference]: With dead ends: 1389 [2022-07-19 17:24:46,188 INFO L226 Difference]: Without dead ends: 626 [2022-07-19 17:24:46,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-07-19 17:24:46,199 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 11 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:46,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 282 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:46,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-07-19 17:24:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2022-07-19 17:24:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 470 states have (on average 1.148936170212766) internal successors, (540), 498 states have internal predecessors, (540), 81 states have call successors, (81), 64 states have call predecessors, (81), 74 states have return successors, (103), 78 states have call predecessors, (103), 81 states have call successors, (103) [2022-07-19 17:24:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 724 transitions. [2022-07-19 17:24:46,228 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 724 transitions. Word has length 99 [2022-07-19 17:24:46,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:46,229 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 724 transitions. [2022-07-19 17:24:46,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 724 transitions. [2022-07-19 17:24:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-19 17:24:46,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:46,231 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:46,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:46,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-19 17:24:46,447 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:46,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1686740425, now seen corresponding path program 1 times [2022-07-19 17:24:46,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:46,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146790742] [2022-07-19 17:24:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:46,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:24:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:24:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:24:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:24:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:24:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:24:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 17:24:46,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:46,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146790742] [2022-07-19 17:24:46,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146790742] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:24:46,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504870084] [2022-07-19 17:24:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:46,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:46,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:46,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:24:46,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 17:24:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:46,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 17:24:46,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:24:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 17:24:46,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:24:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-19 17:24:47,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504870084] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:24:47,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:24:47,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2022-07-19 17:24:47,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531882593] [2022-07-19 17:24:47,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:24:47,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-19 17:24:47,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:47,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-19 17:24:47,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-07-19 17:24:47,060 INFO L87 Difference]: Start difference. First operand 626 states and 724 transitions. Second operand has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-19 17:24:48,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:48,380 INFO L93 Difference]: Finished difference Result 1312 states and 1568 transitions. [2022-07-19 17:24:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-07-19 17:24:48,381 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) Word has length 99 [2022-07-19 17:24:48,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:48,382 INFO L225 Difference]: With dead ends: 1312 [2022-07-19 17:24:48,382 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:24:48,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1065, Invalid=3627, Unknown=0, NotChecked=0, Total=4692 [2022-07-19 17:24:48,387 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 914 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:48,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 630 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 17:24:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:24:48,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:24:48,397 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) [2022-07-19 17:24:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:24:48,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2022-07-19 17:24:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:48,398 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:24:48,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-19 17:24:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:24:48,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:24:48,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:24:48,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:48,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:48,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:24:52,794 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2022-07-19 17:24:52,795 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2022-07-19 17:24:52,795 INFO L899 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2022-07-19 17:24:52,795 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 622 633) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse2 .cse3 .cse6 .cse4) (or .cse2 .cse3 .cse6 .cse5 .cse4))) [2022-07-19 17:24:52,795 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2022-07-19 17:24:52,796 INFO L895 garLoopResultBuilder]: At program point L671(lines 666 674) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and .cse4 .cse11 .cse5 .cse6 .cse13 .cse8)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse1 .cse9 .cse3 .cse10 (and .cse11 .cse5 .cse6 .cse7 .cse8))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse3 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse1 .cse9 .cse12 .cse10) (or .cse0 .cse1 .cse12 .cse10) (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse6 .cse13) .cse2 .cse3 .cse10)))) [2022-07-19 17:24:52,796 INFO L895 garLoopResultBuilder]: At program point L828(lines 823 831) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2 .cse3))) [2022-07-19 17:24:52,796 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 699 718) no Hoare annotation was computed. [2022-07-19 17:24:52,796 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2022-07-19 17:24:52,796 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2022-07-19 17:24:52,797 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-19 17:24:52,797 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2022-07-19 17:24:52,797 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2022-07-19 17:24:52,797 INFO L895 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse15 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse2 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0))) (let ((.cse9 (not .cse2)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 .cse8 .cse17 .cse11 .cse13 .cse15 .cse2 .cse3 .cse16)) (.cse1 (not .cse13)) (.cse14 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse17)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 (and .cse8 .cse3 .cse9) .cse6) (or (and .cse10 .cse11 .cse12 .cse9) (and .cse0 .cse8 .cse11 .cse13 .cse12 .cse9) .cse1 .cse14 .cse7 .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse4 .cse5) (or .cse1 (and .cse10 .cse11 .cse15 .cse2 .cse12 .cse16) .cse14 .cse4 (and .cse0 .cse8 .cse11 .cse13 .cse15 .cse2 .cse12 .cse16) .cse6)))) [2022-07-19 17:24:52,797 INFO L895 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (and .cse11 .cse12 .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse9 .cse12 .cse13)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and .cse11 .cse9 .cse12 .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= 1 ~pumpRunning~0) .cse4) .cse5) (or .cse2 .cse6 .cse7 .cse3 .cse8 .cse5) (or .cse1 (and .cse9 .cse4) .cse2 .cse10 .cse5) (or .cse2 .cse6 .cse7 .cse10 .cse8 .cse5) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3)))) [2022-07-19 17:24:52,797 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-07-19 17:24:52,798 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2022-07-19 17:24:52,798 INFO L895 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-19 17:24:52,798 INFO L895 garLoopResultBuilder]: At program point L809(lines 804 811) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse4 .cse2 .cse6 .cse3))) [2022-07-19 17:24:52,798 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-19 17:24:52,798 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-19 17:24:52,799 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2022-07-19 17:24:52,799 INFO L899 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2022-07-19 17:24:52,799 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2022-07-19 17:24:52,799 INFO L895 garLoopResultBuilder]: At program point L773-1(lines 754 778) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (and .cse11 .cse12 .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse9 .cse12 .cse13)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and .cse11 .cse9 .cse12 .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= 1 ~pumpRunning~0) .cse4) .cse5) (or .cse2 .cse6 .cse7 .cse3 .cse8 .cse5) (or .cse1 (and .cse9 .cse4) .cse2 .cse10 .cse5) (or .cse2 .cse6 .cse7 .cse10 .cse8 .cse5) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3)))) [2022-07-19 17:24:52,799 INFO L899 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2022-07-19 17:24:52,799 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2022-07-19 17:24:52,800 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse8)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse3 .cse4)))) [2022-07-19 17:24:52,800 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2022-07-19 17:24:52,800 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2022-07-19 17:24:52,800 INFO L895 garLoopResultBuilder]: At program point L968(lines 963 970) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3))) [2022-07-19 17:24:52,800 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2022-07-19 17:24:52,800 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2022-07-19 17:24:52,800 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2022-07-19 17:24:52,801 INFO L902 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2022-07-19 17:24:52,801 INFO L899 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2022-07-19 17:24:52,801 INFO L902 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2022-07-19 17:24:52,801 INFO L902 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2022-07-19 17:24:52,801 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2022-07-19 17:24:52,801 INFO L902 garLoopResultBuilder]: At program point L519(lines 494 523) the Hoare annotation is: true [2022-07-19 17:24:52,801 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-19 17:24:52,801 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 634 642) the Hoare annotation is: true [2022-07-19 17:24:52,802 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2022-07-19 17:24:52,802 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2022-07-19 17:24:52,809 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2022-07-19 17:24:52,810 INFO L895 garLoopResultBuilder]: At program point L944-2(lines 936 949) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-19 17:24:52,810 INFO L899 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2022-07-19 17:24:52,810 INFO L895 garLoopResultBuilder]: At program point L106(lines 102 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:52,810 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2022-07-19 17:24:52,810 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-19 17:24:52,810 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:24:52,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:24:52,811 INFO L902 garLoopResultBuilder]: At program point L957(lines 896 961) the Hoare annotation is: true [2022-07-19 17:24:52,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:24:52,811 INFO L899 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2022-07-19 17:24:52,811 INFO L899 garLoopResultBuilder]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2022-07-19 17:24:52,811 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2022-07-19 17:24:52,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:24:52,812 INFO L895 garLoopResultBuilder]: At program point L892(lines 887 894) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-19 17:24:52,812 INFO L895 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2022-07-19 17:24:52,812 INFO L902 garLoopResultBuilder]: At program point L566(lines 559 568) the Hoare annotation is: true [2022-07-19 17:24:52,812 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2022-07-19 17:24:52,812 INFO L899 garLoopResultBuilder]: For program point L579-2(lines 579 586) no Hoare annotation was computed. [2022-07-19 17:24:52,812 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2022-07-19 17:24:52,812 INFO L899 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2022-07-19 17:24:52,813 INFO L895 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:52,813 INFO L895 garLoopResultBuilder]: At program point L951(lines 906 953) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse1 .cse9 .cse2 .cse3 .cse4 .cse6))) [2022-07-19 17:24:52,813 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse1 .cse9 .cse2 .cse3 .cse4 .cse6))) [2022-07-19 17:24:52,813 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:52,814 INFO L902 garLoopResultBuilder]: At program point L588(lines 569 591) the Hoare annotation is: true [2022-07-19 17:24:52,814 INFO L895 garLoopResultBuilder]: At program point L555(lines 551 557) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:52,814 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2022-07-19 17:24:52,814 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2022-07-19 17:24:52,814 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 610 621) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse4 .cse6) (or .cse2 .cse3 .cse7 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse7 .cse4))) [2022-07-19 17:24:52,814 INFO L895 garLoopResultBuilder]: At program point L684(lines 675 688) the Hoare annotation is: (let ((.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse5 (and .cse12 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse10 .cse11 .cse12 .cse14 .cse15)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse15)) (.cse8 (not .cse13)) (.cse3 (not .cse14)) (.cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse8 .cse5 .cse6 .cse9) (or .cse4 .cse0 .cse2 .cse7 .cse3) (or .cse0 .cse1 .cse8 .cse3) (or .cse4 .cse0 .cse8 .cse3 .cse9)))) [2022-07-19 17:24:52,815 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0)) (.cse8 (<= ~waterLevel~0 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (= ~pumpRunning~0 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0) .cse8 .cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse3) (or .cse4 .cse0 .cse7 .cse5 .cse6)))) [2022-07-19 17:24:52,815 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2022-07-19 17:24:52,815 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2022-07-19 17:24:52,815 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2022-07-19 17:24:52,815 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (and (= ~pumpRunning~0 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse6 .cse7))) [2022-07-19 17:24:52,815 INFO L895 garLoopResultBuilder]: At program point L794-2(lines 787 803) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse6 (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|)) (.cse7 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse8 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|)) (.cse9 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0)) (.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0)) (.cse11 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 (and (<= 1 ~pumpRunning~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11)) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse12 .cse3) (or .cse0 .cse1 .cse12 .cse3) (or (and (= ~pumpRunning~0 0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse4 .cse0 .cse12 .cse5))) [2022-07-19 17:24:52,816 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2022-07-19 17:24:52,816 INFO L895 garLoopResultBuilder]: At program point L883(lines 868 886) the Hoare annotation is: (let ((.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse18 (<= 1 ~methaneLevelCritical~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse17 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse18 .cse15 .cse16 .cse17)) (.cse4 (not .cse18)) (.cse8 (not .cse15)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse16)) (.cse3 (and .cse13 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7 .cse8) (or .cse1 .cse2 .cse7 .cse8 .cse9) (or .cse2 .cse6 .cse4 .cse8) (or .cse0 .cse1 .cse2 .cse4 .cse8) (or .cse1 .cse2 .cse3 .cse7 .cse5 .cse9)))) [2022-07-19 17:24:52,816 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 728 752) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3 .cse7) (or .cse5 .cse2 .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse2 .cse8 .cse4))) [2022-07-19 17:24:52,816 INFO L895 garLoopResultBuilder]: At program point L784(lines 779 786) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse5 .cse3 (and (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (or .cse0 .cse1 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse6))) [2022-07-19 17:24:52,816 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2022-07-19 17:24:52,816 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 752) no Hoare annotation was computed. [2022-07-19 17:24:52,817 INFO L899 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2022-07-19 17:24:52,817 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse5 .cse1 .cse6 .cse2 .cse7))) [2022-07-19 17:24:52,817 INFO L899 garLoopResultBuilder]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2022-07-19 17:24:52,817 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2022-07-19 17:24:52,817 INFO L902 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true [2022-07-19 17:24:52,817 INFO L899 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2022-07-19 17:24:52,817 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2022-07-19 17:24:52,818 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2022-07-19 17:24:52,818 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2022-07-19 17:24:52,821 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:52,823 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:24:52,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:24:52 BoogieIcfgContainer [2022-07-19 17:24:52,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:24:52,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:24:52,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:24:52,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:24:52,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:39" (3/4) ... [2022-07-19 17:24:52,888 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:24:52,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:24:52,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:24:52,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:24:52,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:24:52,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:24:52,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:24:52,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:24:52,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-19 17:24:52,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-19 17:24:52,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:24:52,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:24:52,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:24:52,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:24:52,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:24:52,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:24:52,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-19 17:24:52,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-19 17:24:52,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2022-07-19 17:24:52,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-07-19 17:24:52,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-19 17:24:52,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) [2022-07-19 17:24:52,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && ((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(tmp == 0)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(tmp == 0))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) [2022-07-19 17:24:52,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2022-07-19 17:24:52,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-19 17:24:52,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((pumpRunning == 0 && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) [2022-07-19 17:24:52,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) [2022-07-19 17:24:52,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive)) [2022-07-19 17:24:52,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-19 17:24:52,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0)) [2022-07-19 17:24:52,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-07-19 17:24:52,973 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:24:52,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:24:52,974 INFO L158 Benchmark]: Toolchain (without parser) took 14317.07ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 57.4MB in the beginning and 124.7MB in the end (delta: -67.3MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-07-19 17:24:52,974 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:24:52,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.70ms. Allocated memory is still 94.4MB. Free memory was 57.2MB in the beginning and 61.4MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:24:52,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.79ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 58.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:52,975 INFO L158 Benchmark]: Boogie Preprocessor took 23.56ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 57.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:24:52,976 INFO L158 Benchmark]: RCFGBuilder took 476.80ms. Allocated memory is still 94.4MB. Free memory was 57.2MB in the beginning and 40.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 17:24:52,976 INFO L158 Benchmark]: TraceAbstraction took 13117.14ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 40.0MB in the beginning and 131.0MB in the end (delta: -91.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-07-19 17:24:52,977 INFO L158 Benchmark]: Witness Printer took 88.47ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 124.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:24:52,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.70ms. Allocated memory is still 94.4MB. Free memory was 57.2MB in the beginning and 61.4MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.79ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 58.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.56ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 57.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.80ms. Allocated memory is still 94.4MB. Free memory was 57.2MB in the beginning and 40.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13117.14ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 40.0MB in the beginning and 131.0MB in the end (delta: -91.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Witness Printer took 88.47ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 124.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2883 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2845 mSDsluCounter, 5266 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3699 mSDsCounter, 1163 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4418 IncrementalHoareTripleChecker+Invalid, 5581 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1163 mSolverCounterUnsat, 1567 mSDtfsCounter, 4418 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 722 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1597 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=802occurred in iteration=9, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 170 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2708 PreInvPairs, 2965 NumberOfFragments, 3252 HoareAnnotationTreeSize, 2708 FomulaSimplifications, 290 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9707 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 1063 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 2127 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 218/258 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: 54]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && ((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(tmp == 0)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(tmp == 0))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0)) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive)) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((pumpRunning == 0 && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:24:53,048 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