./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product40.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 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:14:42,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:14:42,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:14:42,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:14:42,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:14:42,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:14:42,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:14:42,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:14:42,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:14:42,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:14:42,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:14:42,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:14:42,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:14:42,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:14:42,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:14:42,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:14:42,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:14:42,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:14:42,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:14:42,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:14:42,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:14:42,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:14:42,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:14:42,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:14:42,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:14:42,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:14:42,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:14:42,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:14:42,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:14:42,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:14:42,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:14:42,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:14:42,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:14:42,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:14:42,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:14:42,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:14:42,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:14:42,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:14:42,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:14:42,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:14:42,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:14:42,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:14:42,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:14:42,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:14:42,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:14:42,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:14:42,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:14:42,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:14:42,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:14:42,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:14:42,837 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:14:42,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:14:42,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:14:42,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:14:42,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:14:42,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:14:42,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:14:42,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:14:42,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:14:42,839 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:14:42,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:14:42,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:14:42,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:14:42,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:14:42,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:14:42,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:14:42,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:14:42,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:14:42,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:14:42,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:14:42,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:14:42,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:14:42,841 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:14:42,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:14:42,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:14:42,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:14:42,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-12-21 13:14:43,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:14:43,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:14:43,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:14:43,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:14:43,066 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:14:43,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-12-21 13:14:43,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8d8de81/512ab37fcfde4000ab36f6685839a3e5/FLAGc37a4169b [2021-12-21 13:14:43,507 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:14:43,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-12-21 13:14:43,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8d8de81/512ab37fcfde4000ab36f6685839a3e5/FLAGc37a4169b [2021-12-21 13:14:43,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8d8de81/512ab37fcfde4000ab36f6685839a3e5 [2021-12-21 13:14:43,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:14:43,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:14:43,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:14:43,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:14:43,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:14:43,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:14:43" (1/1) ... [2021-12-21 13:14:43,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95b56b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:43, skipping insertion in model container [2021-12-21 13:14:43,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:14:43" (1/1) ... [2021-12-21 13:14:43,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:14:43,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:14:44,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-12-21 13:14:44,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:14:44,196 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:14:44,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-12-21 13:14:44,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:14:44,284 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:14:44,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44 WrapperNode [2021-12-21 13:14:44,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:14:44,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:14:44,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:14:44,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:14:44,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,344 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2021-12-21 13:14:44,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:14:44,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:14:44,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:14:44,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:14:44,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:14:44,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:14:44,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:14:44,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:14:44,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (1/1) ... [2021-12-21 13:14:44,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:14:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:14:44,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 13:14:44,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 13:14:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:14:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:14:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:14:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:14:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:14:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:14:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:14:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-21 13:14:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-21 13:14:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:14:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:14:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:14:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:14:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:14:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:14:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:14:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:14:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:14:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:14:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:14:44,522 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:14:44,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:14:44,743 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:14:44,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:14:44,748 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:14:44,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:14:44 BoogieIcfgContainer [2021-12-21 13:14:44,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:14:44,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:14:44,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:14:44,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:14:44,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:14:43" (1/3) ... [2021-12-21 13:14:44,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a62115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:14:44, skipping insertion in model container [2021-12-21 13:14:44,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:44" (2/3) ... [2021-12-21 13:14:44,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a62115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:14:44, skipping insertion in model container [2021-12-21 13:14:44,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:14:44" (3/3) ... [2021-12-21 13:14:44,761 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-12-21 13:14:44,764 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:14:44,765 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:14:44,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:14:44,801 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 13:14:44,801 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:14:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-21 13:14:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-21 13:14:44,828 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:44,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:44,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1035852950, now seen corresponding path program 1 times [2021-12-21 13:14:44,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:44,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900719899] [2021-12-21 13:14:44,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:44,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:14:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:44,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:44,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900719899] [2021-12-21 13:14:44,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900719899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:45,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:45,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:14:45,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162514539] [2021-12-21 13:14:45,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:45,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:14:45,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:45,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:14:45,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:14:45,033 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 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) [2021-12-21 13:14:45,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:45,072 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2021-12-21 13:14:45,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:14:45,074 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-21 13:14:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:45,084 INFO L225 Difference]: With dead ends: 181 [2021-12-21 13:14:45,085 INFO L226 Difference]: Without dead ends: 86 [2021-12-21 13:14:45,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:14:45,091 INFO L933 BasicCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:45,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-12-21 13:14:45,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-12-21 13:14:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 72 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-21 13:14:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2021-12-21 13:14:45,141 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2021-12-21 13:14:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:45,141 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-12-21 13:14:45,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2021-12-21 13:14:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-21 13:14:45,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:45,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:45,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:14:45,145 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:45,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:45,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1707158464, now seen corresponding path program 1 times [2021-12-21 13:14:45,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:45,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236545418] [2021-12-21 13:14:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:45,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 13:14:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:45,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:45,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236545418] [2021-12-21 13:14:45,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236545418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:45,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:45,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:14:45,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689015826] [2021-12-21 13:14:45,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:45,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:14:45,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:45,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:14:45,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:45,204 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:45,215 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2021-12-21 13:14:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:14:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-21 13:14:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:45,217 INFO L225 Difference]: With dead ends: 132 [2021-12-21 13:14:45,217 INFO L226 Difference]: Without dead ends: 77 [2021-12-21 13:14:45,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:45,219 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:45,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:45,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-21 13:14:45,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-12-21 13:14:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) 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), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-21 13:14:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-12-21 13:14:45,228 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2021-12-21 13:14:45,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:45,228 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-12-21 13:14:45,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-12-21 13:14:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-21 13:14:45,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:45,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:45,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:14:45,230 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash -969347747, now seen corresponding path program 1 times [2021-12-21 13:14:45,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:45,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373796809] [2021-12-21 13:14:45,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:45,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 13:14:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:45,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:45,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373796809] [2021-12-21 13:14:45,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373796809] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:45,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:45,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:14:45,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195747464] [2021-12-21 13:14:45,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:45,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:14:45,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:45,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:14:45,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:45,300 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:45,327 INFO L93 Difference]: Finished difference Result 213 states and 280 transitions. [2021-12-21 13:14:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:14:45,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-21 13:14:45,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:45,332 INFO L225 Difference]: With dead ends: 213 [2021-12-21 13:14:45,332 INFO L226 Difference]: Without dead ends: 144 [2021-12-21 13:14:45,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:45,336 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:45,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 208 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-12-21 13:14:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2021-12-21 13:14:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 119 states have internal predecessors, (141), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-21 13:14:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2021-12-21 13:14:45,350 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 31 [2021-12-21 13:14:45,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:45,350 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2021-12-21 13:14:45,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2021-12-21 13:14:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-21 13:14:45,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:45,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:45,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:14:45,352 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:45,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:45,353 INFO L85 PathProgramCache]: Analyzing trace with hash -595617824, now seen corresponding path program 1 times [2021-12-21 13:14:45,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:45,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085741605] [2021-12-21 13:14:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:45,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:14:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:45,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:45,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085741605] [2021-12-21 13:14:45,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085741605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:45,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:45,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:14:45,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433880376] [2021-12-21 13:14:45,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:45,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:14:45,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:45,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:14:45,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:14:45,444 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:45,520 INFO L93 Difference]: Finished difference Result 405 states and 540 transitions. [2021-12-21 13:14:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:14:45,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-21 13:14:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:45,522 INFO L225 Difference]: With dead ends: 405 [2021-12-21 13:14:45,522 INFO L226 Difference]: Without dead ends: 272 [2021-12-21 13:14:45,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:14:45,524 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 67 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:45,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 483 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-12-21 13:14:45,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 266. [2021-12-21 13:14:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 193 states have (on average 1.3419689119170986) internal successors, (259), 222 states have internal predecessors, (259), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2021-12-21 13:14:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 349 transitions. [2021-12-21 13:14:45,543 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 349 transitions. Word has length 34 [2021-12-21 13:14:45,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:45,543 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 349 transitions. [2021-12-21 13:14:45,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 349 transitions. [2021-12-21 13:14:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-21 13:14:45,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:45,545 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:45,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:14:45,546 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1037298340, now seen corresponding path program 1 times [2021-12-21 13:14:45,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:45,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347099567] [2021-12-21 13:14:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:45,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:14:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:14:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:45,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:45,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347099567] [2021-12-21 13:14:45,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347099567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:45,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:45,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:14:45,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865489167] [2021-12-21 13:14:45,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:45,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:14:45,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:45,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:14:45,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:14:45,599 INFO L87 Difference]: Start difference. First operand 266 states and 349 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:14:45,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:45,834 INFO L93 Difference]: Finished difference Result 698 states and 934 transitions. [2021-12-21 13:14:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:14:45,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-21 13:14:45,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:45,841 INFO L225 Difference]: With dead ends: 698 [2021-12-21 13:14:45,841 INFO L226 Difference]: Without dead ends: 440 [2021-12-21 13:14:45,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:14:45,844 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 112 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:45,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 246 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:14:45,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-21 13:14:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2021-12-21 13:14:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 313 states have (on average 1.293929712460064) internal successors, (405), 342 states have internal predecessors, (405), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2021-12-21 13:14:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 545 transitions. [2021-12-21 13:14:45,877 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 545 transitions. Word has length 38 [2021-12-21 13:14:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:45,877 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 545 transitions. [2021-12-21 13:14:45,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:14:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 545 transitions. [2021-12-21 13:14:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-21 13:14:45,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:45,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:45,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:14:45,880 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:45,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:45,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1524944222, now seen corresponding path program 1 times [2021-12-21 13:14:45,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:45,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196794366] [2021-12-21 13:14:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:45,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:14:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:14:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 13:14:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:45,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:45,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196794366] [2021-12-21 13:14:45,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196794366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:45,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:45,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:14:45,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118428348] [2021-12-21 13:14:45,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:45,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:14:45,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:45,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:14:45,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:14:45,938 INFO L87 Difference]: Start difference. First operand 426 states and 545 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:14:46,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:46,164 INFO L93 Difference]: Finished difference Result 952 states and 1233 transitions. [2021-12-21 13:14:46,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:14:46,165 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-21 13:14:46,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:46,168 INFO L225 Difference]: With dead ends: 952 [2021-12-21 13:14:46,168 INFO L226 Difference]: Without dead ends: 534 [2021-12-21 13:14:46,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:14:46,173 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:46,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 258 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:14:46,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2021-12-21 13:14:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 520. [2021-12-21 13:14:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 387 states have (on average 1.2583979328165376) internal successors, (487), 416 states have internal predecessors, (487), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2021-12-21 13:14:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 655 transitions. [2021-12-21 13:14:46,235 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 655 transitions. Word has length 49 [2021-12-21 13:14:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:46,235 INFO L470 AbstractCegarLoop]: Abstraction has 520 states and 655 transitions. [2021-12-21 13:14:46,236 INFO L471 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:14:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 655 transitions. [2021-12-21 13:14:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-21 13:14:46,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:46,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:46,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:14:46,238 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:46,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash -163999520, now seen corresponding path program 1 times [2021-12-21 13:14:46,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:46,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031478164] [2021-12-21 13:14:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:46,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:14:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:14:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 13:14:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:46,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:46,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031478164] [2021-12-21 13:14:46,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031478164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:46,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:46,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:14:46,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142402220] [2021-12-21 13:14:46,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:46,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:14:46,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:46,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:14:46,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:14:46,348 INFO L87 Difference]: Start difference. First operand 520 states and 655 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:14:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:46,716 INFO L93 Difference]: Finished difference Result 1086 states and 1405 transitions. [2021-12-21 13:14:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 13:14:46,716 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), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-21 13:14:46,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:46,720 INFO L225 Difference]: With dead ends: 1086 [2021-12-21 13:14:46,720 INFO L226 Difference]: Without dead ends: 574 [2021-12-21 13:14:46,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:14:46,723 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 317 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:46,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 292 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:14:46,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-12-21 13:14:46,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 528. [2021-12-21 13:14:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 395 states have (on average 1.2531645569620253) internal successors, (495), 424 states have internal predecessors, (495), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2021-12-21 13:14:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 663 transitions. [2021-12-21 13:14:46,755 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 663 transitions. Word has length 49 [2021-12-21 13:14:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:46,756 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 663 transitions. [2021-12-21 13:14:46,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:14:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 663 transitions. [2021-12-21 13:14:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-21 13:14:46,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:46,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:46,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:14:46,762 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 258702306, now seen corresponding path program 1 times [2021-12-21 13:14:46,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:46,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065863301] [2021-12-21 13:14:46,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:14:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:14:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 13:14:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:46,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:46,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065863301] [2021-12-21 13:14:46,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065863301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:46,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:46,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:14:46,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724488565] [2021-12-21 13:14:46,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:46,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:14:46,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:46,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:14:46,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:14:46,881 INFO L87 Difference]: Start difference. First operand 528 states and 663 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, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:14:47,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:47,175 INFO L93 Difference]: Finished difference Result 1540 states and 2013 transitions. [2021-12-21 13:14:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-21 13:14:47,176 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, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-21 13:14:47,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:47,180 INFO L225 Difference]: With dead ends: 1540 [2021-12-21 13:14:47,180 INFO L226 Difference]: Without dead ends: 1020 [2021-12-21 13:14:47,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:14:47,182 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 316 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:47,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 282 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:14:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-12-21 13:14:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1008. [2021-12-21 13:14:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 755 states have (on average 1.2225165562913907) internal successors, (923), 802 states have internal predecessors, (923), 130 states have call successors, (130), 118 states have call predecessors, (130), 122 states have return successors, (216), 128 states have call predecessors, (216), 130 states have call successors, (216) [2021-12-21 13:14:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1269 transitions. [2021-12-21 13:14:47,223 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1269 transitions. Word has length 49 [2021-12-21 13:14:47,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:47,223 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1269 transitions. [2021-12-21 13:14:47,226 INFO L471 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, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:14:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1269 transitions. [2021-12-21 13:14:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-21 13:14:47,227 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:47,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:47,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:14:47,227 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:47,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:47,228 INFO L85 PathProgramCache]: Analyzing trace with hash 525985416, now seen corresponding path program 1 times [2021-12-21 13:14:47,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:47,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803409886] [2021-12-21 13:14:47,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:47,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:14:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:14:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:14:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 13:14:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:47,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:47,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803409886] [2021-12-21 13:14:47,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803409886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:47,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:47,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:14:47,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389577549] [2021-12-21 13:14:47,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:47,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:14:47,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:47,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:14:47,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:14:47,306 INFO L87 Difference]: Start difference. First operand 1008 states and 1269 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-21 13:14:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:47,663 INFO L93 Difference]: Finished difference Result 1986 states and 2649 transitions. [2021-12-21 13:14:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 13:14:47,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2021-12-21 13:14:47,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:47,671 INFO L225 Difference]: With dead ends: 1986 [2021-12-21 13:14:47,671 INFO L226 Difference]: Without dead ends: 1984 [2021-12-21 13:14:47,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:14:47,673 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 427 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:47,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 214 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:14:47,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2021-12-21 13:14:47,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1545. [2021-12-21 13:14:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1150 states have (on average 1.2269565217391305) internal successors, (1411), 1240 states have internal predecessors, (1411), 211 states have call successors, (211), 151 states have call predecessors, (211), 183 states have return successors, (428), 204 states have call predecessors, (428), 211 states have call successors, (428) [2021-12-21 13:14:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2050 transitions. [2021-12-21 13:14:47,793 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2050 transitions. Word has length 53 [2021-12-21 13:14:47,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:47,794 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 2050 transitions. [2021-12-21 13:14:47,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-21 13:14:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2050 transitions. [2021-12-21 13:14:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-21 13:14:47,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:47,796 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-21 13:14:47,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:14:47,797 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:47,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1653016264, now seen corresponding path program 1 times [2021-12-21 13:14:47,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:47,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091417883] [2021-12-21 13:14:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:47,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:14:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:14:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:14:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:14:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 13:14:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 13:14:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:14:47,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:47,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091417883] [2021-12-21 13:14:47,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091417883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:47,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:47,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 13:14:47,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641569596] [2021-12-21 13:14:47,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:47,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 13:14:47,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:47,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 13:14:47,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:14:47,906 INFO L87 Difference]: Start difference. First operand 1545 states and 2050 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-21 13:14:48,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:48,208 INFO L93 Difference]: Finished difference Result 2565 states and 3385 transitions. [2021-12-21 13:14:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 13:14:48,209 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 83 [2021-12-21 13:14:48,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:48,213 INFO L225 Difference]: With dead ends: 2565 [2021-12-21 13:14:48,213 INFO L226 Difference]: Without dead ends: 1028 [2021-12-21 13:14:48,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-12-21 13:14:48,217 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 331 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:48,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 282 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:14:48,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2021-12-21 13:14:48,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 970. [2021-12-21 13:14:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 728 states have (on average 1.2129120879120878) internal successors, (883), 783 states have internal predecessors, (883), 126 states have call successors, (126), 98 states have call predecessors, (126), 115 states have return successors, (237), 125 states have call predecessors, (237), 126 states have call successors, (237) [2021-12-21 13:14:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1246 transitions. [2021-12-21 13:14:48,251 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1246 transitions. Word has length 83 [2021-12-21 13:14:48,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:48,252 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1246 transitions. [2021-12-21 13:14:48,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-21 13:14:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1246 transitions. [2021-12-21 13:14:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-21 13:14:48,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:48,254 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 13:14:48,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 13:14:48,254 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:48,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:48,254 INFO L85 PathProgramCache]: Analyzing trace with hash -365592096, now seen corresponding path program 1 times [2021-12-21 13:14:48,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:48,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995245013] [2021-12-21 13:14:48,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:48,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:14:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:14:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:14:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:14:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 13:14:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 13:14:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 13:14:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 13:14:48,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:48,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995245013] [2021-12-21 13:14:48,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995245013] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:14:48,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054624769] [2021-12-21 13:14:48,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:48,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:14:48,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:14:48,372 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) [2021-12-21 13:14:48,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:14:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:48,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 13:14:48,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:14:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:48,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:14:48,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054624769] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:48,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:14:48,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2021-12-21 13:14:48,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585107489] [2021-12-21 13:14:48,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:48,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:14:48,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:48,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:14:48,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:14:48,653 INFO L87 Difference]: Start difference. First operand 970 states and 1246 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-21 13:14:48,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:48,728 INFO L93 Difference]: Finished difference Result 1668 states and 2181 transitions. [2021-12-21 13:14:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:14:48,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 92 [2021-12-21 13:14:48,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:48,732 INFO L225 Difference]: With dead ends: 1668 [2021-12-21 13:14:48,732 INFO L226 Difference]: Without dead ends: 870 [2021-12-21 13:14:48,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:14:48,735 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 41 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:48,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 208 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2021-12-21 13:14:48,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 870. [2021-12-21 13:14:48,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 652 states have (on average 1.1901840490797546) internal successors, (776), 702 states have internal predecessors, (776), 113 states have call successors, (113), 93 states have call predecessors, (113), 104 states have return successors, (162), 111 states have call predecessors, (162), 113 states have call successors, (162) [2021-12-21 13:14:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1051 transitions. [2021-12-21 13:14:48,766 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1051 transitions. Word has length 92 [2021-12-21 13:14:48,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:48,766 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1051 transitions. [2021-12-21 13:14:48,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-21 13:14:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1051 transitions. [2021-12-21 13:14:48,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-21 13:14:48,768 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:48,768 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2021-12-21 13:14:48,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:14:48,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-21 13:14:48,983 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:48,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:48,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1099123803, now seen corresponding path program 1 times [2021-12-21 13:14:48,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:48,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354774480] [2021-12-21 13:14:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:48,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:14:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:14:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:14:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 13:14:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 13:14:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 13:14:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:14:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:14:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-21 13:14:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-21 13:14:49,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:49,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354774480] [2021-12-21 13:14:49,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354774480] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:14:49,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054239723] [2021-12-21 13:14:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:49,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:14:49,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:14:49,069 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) [2021-12-21 13:14:49,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 13:14:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:49,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:14:49,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:14:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-21 13:14:49,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:14:49,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054239723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:49,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:14:49,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-21 13:14:49,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054973450] [2021-12-21 13:14:49,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:49,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:14:49,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:49,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:14:49,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-21 13:14:49,418 INFO L87 Difference]: Start difference. First operand 870 states and 1051 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-21 13:14:49,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:49,571 INFO L93 Difference]: Finished difference Result 1622 states and 1952 transitions. [2021-12-21 13:14:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:14:49,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2021-12-21 13:14:49,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:49,587 INFO L225 Difference]: With dead ends: 1622 [2021-12-21 13:14:49,588 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:14:49,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-12-21 13:14:49,590 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 53 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:49,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 832 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:14:49,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:14:49,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:14:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 13:14:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:14:49,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2021-12-21 13:14:49,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:49,592 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:14:49,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-21 13:14:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:14:49,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:14:49,594 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:14:49,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 13:14:49,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-21 13:14:49,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:14:54,165 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 362 369) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse5 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse3 .cse6))) [2021-12-21 13:14:54,165 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 362 369) no Hoare annotation was computed. [2021-12-21 13:14:54,166 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 362 369) no Hoare annotation was computed. [2021-12-21 13:14:54,166 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 295 301) no Hoare annotation was computed. [2021-12-21 13:14:54,166 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 295 301) the Hoare annotation is: true [2021-12-21 13:14:54,166 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2021-12-21 13:14:54,166 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse2 .cse4 .cse7) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse6))) [2021-12-21 13:14:54,166 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2021-12-21 13:14:54,166 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2021-12-21 13:14:54,166 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: true [2021-12-21 13:14:54,167 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-12-21 13:14:54,167 INFO L861 garLoopResultBuilder]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2021-12-21 13:14:54,167 INFO L858 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2021-12-21 13:14:54,167 INFO L861 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: true [2021-12-21 13:14:54,167 INFO L861 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2021-12-21 13:14:54,167 INFO L858 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2021-12-21 13:14:54,167 INFO L861 garLoopResultBuilder]: At program point L870(lines 845 874) the Hoare annotation is: true [2021-12-21 13:14:54,167 INFO L858 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2021-12-21 13:14:54,167 INFO L858 garLoopResultBuilder]: For program point L275-1(lines 274 293) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 271 294) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L854 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse7) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-21 13:14:54,168 INFO L858 garLoopResultBuilder]: For program point L375-1(line 375) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-12-21 13:14:54,168 INFO L854 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (let ((.cse15 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= ~methAndRunningLastTime~0 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse13 (and .cse10 .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse12)) (.cse14 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not .cse12)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse10 .cse11 .cse15 .cse8)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 (and .cse6 .cse7 .cse8) .cse9 (and .cse10 .cse11 .cse12 .cse8)) (or .cse13 .cse5 .cse14 .cse9 (not (<= 2 |old(~waterLevel~0)|))) (or .cse13 .cse4 .cse5 .cse14 .cse9) (or .cse5 .cse14 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse15) (and .cse10 .cse11 .cse15)) (or .cse0 (and .cse10 .cse11 .cse8) .cse9 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse2 (and .cse6 .cse11 .cse7 .cse15 .cse8))))) [2021-12-21 13:14:54,169 INFO L854 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4 .cse5) (or .cse0 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse3 .cse6))) [2021-12-21 13:14:54,169 INFO L854 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= 1 ~systemActive~0))) (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse10)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse9)) (.cse8 (and (<= 1 ~pumpRunning~0) .cse4 .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse7) (or .cse1 .cse2 .cse5 .cse3 .cse8) (or .cse2 .cse5 .cse3 .cse8 (not (<= 2 |old(~waterLevel~0)|)))))) [2021-12-21 13:14:54,169 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-12-21 13:14:54,169 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-12-21 13:14:54,169 INFO L858 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2021-12-21 13:14:54,169 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 100 111) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse7) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-21 13:14:54,170 INFO L854 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse0 .cse1 .cse3 .cse6) (or .cse5 .cse4 .cse7) (or .cse5 .cse3 .cse7) (or .cse5 .cse0 .cse1 .cse4 .cse6))) [2021-12-21 13:14:54,170 INFO L854 garLoopResultBuilder]: At program point L348-1(lines 329 353) the Hoare annotation is: (let ((.cse13 (= 1 ~systemActive~0)) (.cse14 (<= 1 ~methaneLevelCritical~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse7 (and .cse12 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not .cse14)) (.cse10 (and .cse12 .cse14 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse13)) (.cse2 (not .cse13)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse2 .cse8 .cse9 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse9 .cse7) (or .cse0 .cse6 .cse11) (or .cse0 .cse9 .cse11) (or .cse1 .cse2 .cse8 .cse9 .cse10) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse2 .cse8 .cse6)))) [2021-12-21 13:14:54,170 INFO L854 garLoopResultBuilder]: At program point L377(lines 370 380) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 |timeShift_isMethaneAlarm_#res#1|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse7) (or .cse1 .cse2 .cse5 .cse3 (and .cse4 (= ~methAndRunningLastTime~0 0) .cse8)) (or .cse2 .cse5 .cse3 (and .cse4 .cse8) (not (<= 2 |old(~waterLevel~0)|))))) [2021-12-21 13:14:54,170 INFO L858 garLoopResultBuilder]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2021-12-21 13:14:54,170 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 271 294) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (= ~pumpRunning~0 0) .cse9 .cse10)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse4 .cse5 .cse7 .cse2) (or .cse0 .cse7 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse2) (or .cse5 .cse6 .cse8 .cse1) (or .cse5 .cse6 .cse7 .cse8 (not (<= 2 |old(~waterLevel~0)|)))))) [2021-12-21 13:14:54,170 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 271 294) no Hoare annotation was computed. [2021-12-21 13:14:54,170 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-12-21 13:14:54,171 INFO L854 garLoopResultBuilder]: At program point L840(lines 835 842) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse3 .cse6))) [2021-12-21 13:14:54,171 INFO L854 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and .cse12 .cse13 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse14)) (.cse2 (not .cse14)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not .cse13)) (.cse7 (and .cse12 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse8 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse8) (or .cse2 .cse9 .cse10 .cse11 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse10 .cse7) (or .cse1 .cse2 .cse9 .cse10 .cse11) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse2 .cse9 .cse6) (or .cse0 .cse10 .cse7 .cse8)))) [2021-12-21 13:14:54,171 INFO L858 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2021-12-21 13:14:54,171 INFO L854 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse11 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (and .cse10 .cse11 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (and .cse10 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse11 (<= 1 |timeShift_processEnvironment_~tmp~3#1|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse5) .cse6 .cse7) (or .cse4 .cse0 .cse8 .cse1 .cse6) (or .cse3 .cse6 .cse7 .cse9) (or .cse3 .cse2 .cse9) (or .cse3 .cse4 .cse0 .cse2) (or .cse0 .cse8 .cse1 .cse6 (not (<= 2 |old(~waterLevel~0)|)))))) [2021-12-21 13:14:54,171 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2021-12-21 13:14:54,171 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2021-12-21 13:14:54,171 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2021-12-21 13:14:54,172 INFO L854 garLoopResultBuilder]: At program point L465(lines 460 467) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3))) [2021-12-21 13:14:54,172 INFO L854 garLoopResultBuilder]: At program point L457(lines 445 459) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2021-12-21 13:14:54,172 INFO L854 garLoopResultBuilder]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:14:54,172 INFO L861 garLoopResultBuilder]: At program point L259(lines 196 263) the Hoare annotation is: true [2021-12-21 13:14:54,172 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2021-12-21 13:14:54,172 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 232) no Hoare annotation was computed. [2021-12-21 13:14:54,172 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-12-21 13:14:54,172 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2021-12-21 13:14:54,173 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:14:54,173 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:14:54,173 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:14:54,173 INFO L854 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse3 .cse7) (and .cse6 .cse4 .cse1 .cse3 .cse7))) [2021-12-21 13:14:54,173 INFO L854 garLoopResultBuilder]: At program point L974(lines 969 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:14:54,173 INFO L854 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:14:54,173 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:14:54,173 INFO L854 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2021-12-21 13:14:54,173 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-12-21 13:14:54,174 INFO L854 garLoopResultBuilder]: At program point L244-2(lines 236 251) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse1 .cse3 .cse6) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse7 .cse2 .cse3) (and .cse5 .cse7 .cse3 .cse6) (and .cse0 .cse7 .cse2 .cse3))) [2021-12-21 13:14:54,174 INFO L858 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2021-12-21 13:14:54,174 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2021-12-21 13:14:54,174 INFO L854 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse3 .cse7) (and .cse6 .cse4 .cse1 .cse3 .cse7))) [2021-12-21 13:14:54,174 INFO L854 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 .cse5 .cse6 .cse3))) [2021-12-21 13:14:54,174 INFO L858 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2021-12-21 13:14:54,174 INFO L858 garLoopResultBuilder]: For program point L930-2(lines 930 937) no Hoare annotation was computed. [2021-12-21 13:14:54,174 INFO L854 garLoopResultBuilder]: At program point L959(lines 955 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:14:54,175 INFO L854 garLoopResultBuilder]: At program point L253(lines 206 255) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse3 .cse7) (and .cse6 .cse4 .cse1 .cse3 .cse7))) [2021-12-21 13:14:54,175 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:14:54,175 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-12-21 13:14:54,175 INFO L858 garLoopResultBuilder]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2021-12-21 13:14:54,175 INFO L861 garLoopResultBuilder]: At program point L914(lines 906 916) the Hoare annotation is: true [2021-12-21 13:14:54,175 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2021-12-21 13:14:54,175 INFO L861 garLoopResultBuilder]: At program point L939(lines 920 942) the Hoare annotation is: true [2021-12-21 13:14:54,175 INFO L858 garLoopResultBuilder]: For program point L322-1(lines 303 327) no Hoare annotation was computed. [2021-12-21 13:14:54,176 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 303 327) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2021-12-21 13:14:54,176 INFO L854 garLoopResultBuilder]: At program point L186(lines 177 190) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse3 .cse1 .cse4)))) [2021-12-21 13:14:54,176 INFO L854 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0)) .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 .cse3 .cse2))) [2021-12-21 13:14:54,176 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 303 327) no Hoare annotation was computed. [2021-12-21 13:14:54,176 INFO L854 garLoopResultBuilder]: At program point L441(lines 426 444) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse5 (<= 2 ~waterLevel~0))) (.cse3 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4) (or .cse0 .cse1 .cse4 .cse2 .cse3)))) [2021-12-21 13:14:54,176 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-12-21 13:14:54,176 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-12-21 13:14:54,176 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-12-21 13:14:54,177 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-12-21 13:14:54,177 INFO L858 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-12-21 13:14:54,177 INFO L854 garLoopResultBuilder]: At program point L359(lines 354 361) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse0 .cse1))) [2021-12-21 13:14:54,177 INFO L854 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2021-12-21 13:14:54,177 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2021-12-21 13:14:54,177 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse5 .cse1 .cse7 .cse2 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-12-21 13:14:54,177 INFO L858 garLoopResultBuilder]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2021-12-21 13:14:54,186 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:54,187 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:14:54,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:14:54 BoogieIcfgContainer [2021-12-21 13:14:54,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:14:54,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:14:54,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:14:54,210 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:14:54,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:14:44" (3/4) ... [2021-12-21 13:14:54,212 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:14:54,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:14:54,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:14:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:14:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:14:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:14:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-21 13:14:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:14:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:14:54,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-21 13:14:54,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:14:54,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:14:54,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:14:54,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:14:54,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:14:54,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:14:54,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) [2021-12-21 13:14:54,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) [2021-12-21 13:14:54,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) == waterLevel)) [2021-12-21 13:14:54,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) [2021-12-21 13:14:54,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(1 == systemActive) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2021-12-21 13:14:54,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) [2021-12-21 13:14:54,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) [2021-12-21 13:14:54,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) [2021-12-21 13:14:54,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-21 13:14:54,264 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:14:54,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:14:54,265 INFO L158 Benchmark]: Toolchain (without parser) took 10374.13ms. Allocated memory was 107.0MB in the beginning and 230.7MB in the end (delta: 123.7MB). Free memory was 78.4MB in the beginning and 195.7MB in the end (delta: -117.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,265 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:14:54,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.45ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 78.4MB in the beginning and 111.2MB in the end (delta: -32.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 108.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,266 INFO L158 Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,266 INFO L158 Benchmark]: RCFGBuilder took 370.18ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 90.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,266 INFO L158 Benchmark]: TraceAbstraction took 9454.34ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 89.6MB in the beginning and 202.0MB in the end (delta: -112.4MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,267 INFO L158 Benchmark]: Witness Printer took 55.02ms. Allocated memory is still 230.7MB. Free memory was 202.0MB in the beginning and 195.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 13:14:54,268 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 107.0MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.45ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 78.4MB in the beginning and 111.2MB in the end (delta: -32.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 108.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.05ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.18ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 90.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9454.34ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 89.6MB in the beginning and 202.0MB in the end (delta: -112.4MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. * Witness Printer took 55.02ms. Allocated memory is still 230.7MB. Free memory was 202.0MB in the beginning and 195.7MB 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: 839]: 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, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1925 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1891 mSDsluCounter, 3599 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2190 mSDsCounter, 718 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1744 IncrementalHoareTripleChecker+Invalid, 2462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 718 mSolverCounterUnsat, 1409 mSDtfsCounter, 1744 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1545occurred in iteration=9, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 592 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2624 PreInvPairs, 2872 NumberOfFragments, 3191 HoareAnnotationTreeSize, 2624 FomulaSimplifications, 1004 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 17657 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1468 SizeOfPredicates, 5 NumberOfNonLiveVariables, 947 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 153/162 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: 899]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(1 == systemActive) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:14:54,333 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