./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product50.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 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:19:28,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:19:28,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:19:28,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:19:28,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:19:28,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:19:28,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:19:28,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:19:28,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:19:28,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:19:28,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:19:28,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:19:28,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:19:28,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:19:28,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:19:28,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:19:28,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:19:28,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:19:28,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:19:28,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:19:28,814 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:19:28,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:19:28,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:19:28,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:19:28,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:19:28,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:19:28,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:19:28,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:19:28,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:19:28,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:19:28,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:19:28,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:19:28,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:19:28,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:19:28,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:19:28,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:19:28,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:19:28,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:19:28,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:19:28,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:19:28,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:19:28,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:19:28,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:19:28,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:19:28,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:19:28,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:19:28,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:19:28,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:19:28,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:19:28,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:19:28,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:19:28,880 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:19:28,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:19:28,880 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:19:28,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:19:28,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:19:28,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:19:28,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:19:28,882 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:19:28,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:19:28,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:19:28,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 [2022-07-12 06:19:29,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:19:29,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:19:29,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:19:29,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:19:29,117 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:19:29,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-07-12 06:19:29,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbde0f64/4a0b6ea521b44fd583673e4efaa26a69/FLAGa41c545e5 [2022-07-12 06:19:29,535 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:19:29,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-07-12 06:19:29,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbde0f64/4a0b6ea521b44fd583673e4efaa26a69/FLAGa41c545e5 [2022-07-12 06:19:29,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cbde0f64/4a0b6ea521b44fd583673e4efaa26a69 [2022-07-12 06:19:29,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:19:29,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:19:29,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:19:29,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:19:29,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:19:29,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:19:29" (1/1) ... [2022-07-12 06:19:29,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a522847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:29, skipping insertion in model container [2022-07-12 06:19:29,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:19:29" (1/1) ... [2022-07-12 06:19:29,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:19:29,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:19:30,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-07-12 06:19:30,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:19:30,267 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:19:30,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-07-12 06:19:30,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:19:30,350 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:19:30,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30 WrapperNode [2022-07-12 06:19:30,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:19:30,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:19:30,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:19:30,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:19:30,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,409 INFO L137 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 266 [2022-07-12 06:19:30,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:19:30,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:19:30,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:19:30,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:19:30,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:19:30,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:19:30,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:19:30,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:19:30,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (1/1) ... [2022-07-12 06:19:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:19:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:30,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 06:19:30,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 06:19:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:19:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:19:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:19:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:19:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:19:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:19:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:19:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:19:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:19:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:19:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:19:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:19:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:19:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:19:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:19:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:19:30,564 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:19:30,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:19:30,809 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:19:30,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:19:30,815 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:19:30,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:30 BoogieIcfgContainer [2022-07-12 06:19:30,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:19:30,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:19:30,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:19:30,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:19:30,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:19:29" (1/3) ... [2022-07-12 06:19:30,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e9383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:19:30, skipping insertion in model container [2022-07-12 06:19:30,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:30" (2/3) ... [2022-07-12 06:19:30,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e9383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:19:30, skipping insertion in model container [2022-07-12 06:19:30,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:30" (3/3) ... [2022-07-12 06:19:30,824 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2022-07-12 06:19:30,837 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:19:30,838 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:19:30,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:19:30,886 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@371a59d3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27cc70ea [2022-07-12 06:19:30,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:19:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:19:30,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:19:30,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:30,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:30,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:30,903 INFO L85 PathProgramCache]: Analyzing trace with hash 497933795, now seen corresponding path program 1 times [2022-07-12 06:19:30,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:30,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480420729] [2022-07-12 06:19:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:30,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:19:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:31,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480420729] [2022-07-12 06:19:31,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480420729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:31,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:19:31,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115704195] [2022-07-12 06:19:31,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:19:31,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:19:31,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:19:31,161 INFO L87 Difference]: Start difference. First operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:31,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:31,202 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2022-07-12 06:19:31,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:19:31,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-12 06:19:31,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:31,213 INFO L225 Difference]: With dead ends: 170 [2022-07-12 06:19:31,214 INFO L226 Difference]: Without dead ends: 80 [2022-07-12 06:19:31,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:19:31,220 INFO L413 NwaCegarLoop]: 112 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, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:31,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:31,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-07-12 06:19:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-07-12 06:19:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-12 06:19:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-07-12 06:19:31,274 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-07-12 06:19:31,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:31,274 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-07-12 06:19:31,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-07-12 06:19:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:19:31,279 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:31,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:31,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:19:31,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:31,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:31,282 INFO L85 PathProgramCache]: Analyzing trace with hash -470356708, now seen corresponding path program 1 times [2022-07-12 06:19:31,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:31,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378833708] [2022-07-12 06:19:31,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:19:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:31,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378833708] [2022-07-12 06:19:31,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378833708] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:31,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:19:31,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428795490] [2022-07-12 06:19:31,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:19:31,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:19:31,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:31,387 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:31,416 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2022-07-12 06:19:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:19:31,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-12 06:19:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:31,420 INFO L225 Difference]: With dead ends: 125 [2022-07-12 06:19:31,420 INFO L226 Difference]: Without dead ends: 71 [2022-07-12 06:19:31,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:31,421 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:31,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-12 06:19:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-12 06:19:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 63 states have internal predecessors, (75), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-12 06:19:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-07-12 06:19:31,427 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-07-12 06:19:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:31,428 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-07-12 06:19:31,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-07-12 06:19:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-12 06:19:31,429 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:31,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:31,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:19:31,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:31,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:31,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1793997224, now seen corresponding path program 1 times [2022-07-12 06:19:31,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:31,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173536779] [2022-07-12 06:19:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:31,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173536779] [2022-07-12 06:19:31,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173536779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:31,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:19:31,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760950531] [2022-07-12 06:19:31,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:19:31,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:19:31,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:19:31,580 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:31,637 INFO L93 Difference]: Finished difference Result 135 states and 176 transitions. [2022-07-12 06:19:31,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:19:31,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-12 06:19:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:31,639 INFO L225 Difference]: With dead ends: 135 [2022-07-12 06:19:31,639 INFO L226 Difference]: Without dead ends: 71 [2022-07-12 06:19:31,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:31,641 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 116 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:31,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 220 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:31,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-12 06:19:31,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-12 06:19:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-12 06:19:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-07-12 06:19:31,650 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 31 [2022-07-12 06:19:31,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:31,650 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-07-12 06:19:31,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-07-12 06:19:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-12 06:19:31,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:31,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:31,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:19:31,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:31,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:31,655 INFO L85 PathProgramCache]: Analyzing trace with hash -668349169, now seen corresponding path program 1 times [2022-07-12 06:19:31,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:31,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082068261] [2022-07-12 06:19:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:19:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:31,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082068261] [2022-07-12 06:19:31,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082068261] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:31,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:19:31,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314097932] [2022-07-12 06:19:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:19:31,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:19:31,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:19:31,716 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-12 06:19:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:31,828 INFO L93 Difference]: Finished difference Result 213 states and 271 transitions. [2022-07-12 06:19:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:31,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-07-12 06:19:31,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:31,830 INFO L225 Difference]: With dead ends: 213 [2022-07-12 06:19:31,830 INFO L226 Difference]: Without dead ends: 149 [2022-07-12 06:19:31,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:19:31,832 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:31,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 311 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:31,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-07-12 06:19:31,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2022-07-12 06:19:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 119 states have internal predecessors, (143), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-07-12 06:19:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 176 transitions. [2022-07-12 06:19:31,844 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 176 transitions. Word has length 41 [2022-07-12 06:19:31,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:31,844 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 176 transitions. [2022-07-12 06:19:31,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-12 06:19:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2022-07-12 06:19:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-12 06:19:31,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:31,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:31,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:19:31,846 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash 103943489, now seen corresponding path program 1 times [2022-07-12 06:19:31,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733068624] [2022-07-12 06:19:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 06:19:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:31,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733068624] [2022-07-12 06:19:31,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733068624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:31,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:19:31,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899791988] [2022-07-12 06:19:31,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:19:31,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:19:31,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:31,904 INFO L87 Difference]: Start difference. First operand 143 states and 176 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:19:32,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:32,028 INFO L93 Difference]: Finished difference Result 301 states and 377 transitions. [2022-07-12 06:19:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 06:19:32,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-12 06:19:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:32,030 INFO L225 Difference]: With dead ends: 301 [2022-07-12 06:19:32,030 INFO L226 Difference]: Without dead ends: 165 [2022-07-12 06:19:32,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:19:32,032 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 109 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:32,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 423 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:32,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-07-12 06:19:32,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 145. [2022-07-12 06:19:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 121 states have internal predecessors, (145), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-07-12 06:19:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2022-07-12 06:19:32,051 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 45 [2022-07-12 06:19:32,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:32,051 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2022-07-12 06:19:32,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:19:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2022-07-12 06:19:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-12 06:19:32,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:32,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:32,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:19:32,053 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:32,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:32,053 INFO L85 PathProgramCache]: Analyzing trace with hash 921591939, now seen corresponding path program 1 times [2022-07-12 06:19:32,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:32,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929344817] [2022-07-12 06:19:32,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:32,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 06:19:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:32,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:32,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929344817] [2022-07-12 06:19:32,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929344817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:32,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:32,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:32,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991810789] [2022-07-12 06:19:32,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:32,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:32,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:32,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:32,106 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:19:32,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:32,191 INFO L93 Difference]: Finished difference Result 291 states and 361 transitions. [2022-07-12 06:19:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:32,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-12 06:19:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:32,193 INFO L225 Difference]: With dead ends: 291 [2022-07-12 06:19:32,193 INFO L226 Difference]: Without dead ends: 153 [2022-07-12 06:19:32,225 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:19:32,230 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 64 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:32,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 376 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-07-12 06:19:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2022-07-12 06:19:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 117 states have (on average 1.264957264957265) internal successors, (148), 124 states have internal predecessors, (148), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-07-12 06:19:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2022-07-12 06:19:32,242 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 45 [2022-07-12 06:19:32,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:32,242 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2022-07-12 06:19:32,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:19:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2022-07-12 06:19:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-12 06:19:32,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:32,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:32,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:19:32,244 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:32,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash 322798207, now seen corresponding path program 1 times [2022-07-12 06:19:32,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:32,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483565638] [2022-07-12 06:19:32,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:32,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 06:19:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:32,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:32,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483565638] [2022-07-12 06:19:32,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483565638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:32,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:32,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:19:32,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26485251] [2022-07-12 06:19:32,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:32,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:19:32,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:32,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:19:32,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:19:32,300 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:19:32,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:32,463 INFO L93 Difference]: Finished difference Result 416 states and 530 transitions. [2022-07-12 06:19:32,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:32,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-12 06:19:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:32,467 INFO L225 Difference]: With dead ends: 416 [2022-07-12 06:19:32,468 INFO L226 Difference]: Without dead ends: 275 [2022-07-12 06:19:32,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:32,469 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 204 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:32,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 314 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-07-12 06:19:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 267. [2022-07-12 06:19:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 208 states have (on average 1.2548076923076923) internal successors, (261), 219 states have internal predecessors, (261), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-07-12 06:19:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 334 transitions. [2022-07-12 06:19:32,497 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 334 transitions. Word has length 45 [2022-07-12 06:19:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:32,497 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 334 transitions. [2022-07-12 06:19:32,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:19:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 334 transitions. [2022-07-12 06:19:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-12 06:19:32,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:32,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:32,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:19:32,498 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:32,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:32,499 INFO L85 PathProgramCache]: Analyzing trace with hash -916701465, now seen corresponding path program 1 times [2022-07-12 06:19:32,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:32,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380466720] [2022-07-12 06:19:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 06:19:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:32,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:32,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380466720] [2022-07-12 06:19:32,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380466720] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:32,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:32,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:32,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437108033] [2022-07-12 06:19:32,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:32,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:32,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:32,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:32,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:32,543 INFO L87 Difference]: Start difference. First operand 267 states and 334 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:19:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:32,670 INFO L93 Difference]: Finished difference Result 530 states and 663 transitions. [2022-07-12 06:19:32,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:32,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-12 06:19:32,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:32,672 INFO L225 Difference]: With dead ends: 530 [2022-07-12 06:19:32,672 INFO L226 Difference]: Without dead ends: 270 [2022-07-12 06:19:32,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:19:32,673 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 111 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:32,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 340 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:32,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-07-12 06:19:32,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2022-07-12 06:19:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 206 states have (on average 1.2475728155339805) internal successors, (257), 217 states have internal predecessors, (257), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-07-12 06:19:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 330 transitions. [2022-07-12 06:19:32,684 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 330 transitions. Word has length 47 [2022-07-12 06:19:32,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:32,684 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 330 transitions. [2022-07-12 06:19:32,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:19:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 330 transitions. [2022-07-12 06:19:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-12 06:19:32,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:32,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:32,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:19:32,685 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:32,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:32,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1637594841, now seen corresponding path program 1 times [2022-07-12 06:19:32,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:32,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10284413] [2022-07-12 06:19:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:19:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 06:19:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:32,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10284413] [2022-07-12 06:19:32,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10284413] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:32,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:32,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:19:32,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505685074] [2022-07-12 06:19:32,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:32,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:19:32,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:32,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:19:32,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:32,731 INFO L87 Difference]: Start difference. First operand 265 states and 330 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) [2022-07-12 06:19:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:32,958 INFO L93 Difference]: Finished difference Result 525 states and 658 transitions. [2022-07-12 06:19:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 06:19:32,959 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 [2022-07-12 06:19:32,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:32,960 INFO L225 Difference]: With dead ends: 525 [2022-07-12 06:19:32,960 INFO L226 Difference]: Without dead ends: 314 [2022-07-12 06:19:32,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-07-12 06:19:32,961 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 208 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:32,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 524 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:32,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-07-12 06:19:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 301. [2022-07-12 06:19:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.228813559322034) internal successors, (290), 250 states have internal predecessors, (290), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-07-12 06:19:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 366 transitions. [2022-07-12 06:19:32,973 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 366 transitions. Word has length 49 [2022-07-12 06:19:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:32,973 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 366 transitions. [2022-07-12 06:19:32,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (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) [2022-07-12 06:19:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 366 transitions. [2022-07-12 06:19:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:19:32,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:32,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:32,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:19:32,974 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:32,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:32,974 INFO L85 PathProgramCache]: Analyzing trace with hash -32680003, now seen corresponding path program 1 times [2022-07-12 06:19:32,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:32,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153570056] [2022-07-12 06:19:32,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:32,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:19:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:19:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:33,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:33,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153570056] [2022-07-12 06:19:33,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153570056] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:33,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:33,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 06:19:33,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601985045] [2022-07-12 06:19:33,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:33,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 06:19:33,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:33,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 06:19:33,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:19:33,031 INFO L87 Difference]: Start difference. First operand 301 states and 366 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:19:33,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:33,222 INFO L93 Difference]: Finished difference Result 550 states and 676 transitions. [2022-07-12 06:19:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 06:19:33,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-12 06:19:33,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:33,224 INFO L225 Difference]: With dead ends: 550 [2022-07-12 06:19:33,224 INFO L226 Difference]: Without dead ends: 305 [2022-07-12 06:19:33,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:19:33,225 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 164 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:33,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 441 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:33,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-07-12 06:19:33,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2022-07-12 06:19:33,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.2245762711864407) internal successors, (289), 250 states have internal predecessors, (289), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-07-12 06:19:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 365 transitions. [2022-07-12 06:19:33,236 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 365 transitions. Word has length 51 [2022-07-12 06:19:33,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:33,236 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 365 transitions. [2022-07-12 06:19:33,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:19:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 365 transitions. [2022-07-12 06:19:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:19:33,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:33,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:33,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 06:19:33,238 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:33,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:33,238 INFO L85 PathProgramCache]: Analyzing trace with hash -251534721, now seen corresponding path program 1 times [2022-07-12 06:19:33,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:33,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779611343] [2022-07-12 06:19:33,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:33,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:19:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:19:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:33,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:33,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779611343] [2022-07-12 06:19:33,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779611343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:33,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:33,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:33,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231371574] [2022-07-12 06:19:33,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:33,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:33,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:33,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:33,277 INFO L87 Difference]: Start difference. First operand 301 states and 365 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:19:33,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:33,380 INFO L93 Difference]: Finished difference Result 521 states and 638 transitions. [2022-07-12 06:19:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:19:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-12 06:19:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:33,382 INFO L225 Difference]: With dead ends: 521 [2022-07-12 06:19:33,382 INFO L226 Difference]: Without dead ends: 276 [2022-07-12 06:19:33,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:19:33,383 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 133 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:33,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 316 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:33,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-07-12 06:19:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 272. [2022-07-12 06:19:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 227 states have internal predecessors, (262), 29 states have call successors, (29), 25 states have call predecessors, (29), 28 states have return successors, (37), 28 states have call predecessors, (37), 29 states have call successors, (37) [2022-07-12 06:19:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2022-07-12 06:19:33,393 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 51 [2022-07-12 06:19:33,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:33,393 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2022-07-12 06:19:33,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:19:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2022-07-12 06:19:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-12 06:19:33,394 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:33,394 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-12 06:19:33,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 06:19:33,394 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:33,395 INFO L85 PathProgramCache]: Analyzing trace with hash -614822540, now seen corresponding path program 1 times [2022-07-12 06:19:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:33,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769414893] [2022-07-12 06:19:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:33,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:19:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:19:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 06:19:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 06:19:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:19:33,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:33,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769414893] [2022-07-12 06:19:33,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769414893] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:19:33,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114011804] [2022-07-12 06:19:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:33,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:33,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:33,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:19:33,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:19:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 06:19:33,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:19:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 06:19:33,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:19:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-12 06:19:33,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114011804] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:19:33,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:19:33,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2022-07-12 06:19:33,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767333325] [2022-07-12 06:19:33,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:19:33,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-12 06:19:33,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:33,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-12 06:19:33,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-07-12 06:19:33,957 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-07-12 06:19:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:34,989 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2022-07-12 06:19:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-12 06:19:34,990 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 81 [2022-07-12 06:19:34,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:34,990 INFO L225 Difference]: With dead ends: 820 [2022-07-12 06:19:34,991 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:19:34,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1194 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=927, Invalid=3765, Unknown=0, NotChecked=0, Total=4692 [2022-07-12 06:19:34,994 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 932 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:34,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 860 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 06:19:34,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:19:34,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:19:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:19:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:19:34,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-07-12 06:19:34,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:34,997 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:19:34,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-07-12 06:19:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:19:34,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:19:34,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:19:35,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:19:35,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-12 06:19:35,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:19:38,330 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 806 812) no Hoare annotation was computed. [2022-07-12 06:19:38,330 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 806 812) the Hoare annotation is: true [2022-07-12 06:19:38,331 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (not .cse1)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4)))) [2022-07-12 06:19:38,331 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2022-07-12 06:19:38,331 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2022-07-12 06:19:38,331 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2022-07-12 06:19:38,332 INFO L895 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse6 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse4 (<= ~waterLevel~0 1)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse1 .cse8 (and .cse3 .cse9 .cse4 .cse5 .cse6))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse3 .cse9 .cse10 .cse6)) (or .cse0 (and .cse3 .cse10 .cse7) .cse1 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse2 .cse1 .cse8) (or .cse0 .cse11 .cse1 .cse8))) [2022-07-12 06:19:38,332 INFO L895 garLoopResultBuilder]: At program point L878(lines 873 880) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0 .cse1))) [2022-07-12 06:19:38,332 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 782 805) no Hoare annotation was computed. [2022-07-12 06:19:38,332 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 969) no Hoare annotation was computed. [2022-07-12 06:19:38,333 INFO L899 garLoopResultBuilder]: For program point L965-2(lines 965 969) no Hoare annotation was computed. [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-07-12 06:19:38,333 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 462 473) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-07-12 06:19:38,333 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L859-1(lines 840 864) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse4) (not (= |old(~pumpRunning~0)| 1)) (and .cse7 .cse5 .cse6) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse3) .cse1))) [2022-07-12 06:19:38,333 INFO L899 garLoopResultBuilder]: For program point L793-1(lines 793 799) no Hoare annotation was computed. [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L558(lines 553 561) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-07-12 06:19:38,333 INFO L895 garLoopResultBuilder]: At program point L971(lines 956 974) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-07-12 06:19:38,334 INFO L895 garLoopResultBuilder]: At program point L897(lines 892 900) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|) (= |timeShift_isPumpRunning_#res#1| 1) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2022-07-12 06:19:38,334 INFO L895 garLoopResultBuilder]: At program point L435-1(lines 420 452) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse8 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (<= ~waterLevel~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1) (<= |timeShift_getWaterLevel_#res#1| 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse7 (<= 2 ~waterLevel~0) .cse10 .cse12)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse3 .cse4) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse7 .cse8 .cse9 .cse11) .cse2 .cse3 .cse4 (and .cse7 .cse9 .cse11 .cse12))) (or .cse5 .cse0 .cse1 .cse6 .cse3 .cse4)))) [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point L786-1(lines 785 804) no Hoare annotation was computed. [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2022-07-12 06:19:38,334 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 782 805) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse2) .cse0 .cse1))) [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2022-07-12 06:19:38,334 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse4) (not (= |old(~pumpRunning~0)| 1)) (and .cse7 .cse5 .cse6) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse3) .cse1))) [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 782 805) no Hoare annotation was computed. [2022-07-12 06:19:38,334 INFO L899 garLoopResultBuilder]: For program point L427-1(line 427) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 565 594) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L902 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: true [2022-07-12 06:19:38,335 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 565 594) the Hoare annotation is: true [2022-07-12 06:19:38,335 INFO L902 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: true [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L571-1(line 571) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L902 garLoopResultBuilder]: At program point L590(lines 565 594) the Hoare annotation is: true [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L902 garLoopResultBuilder]: At program point L579-1(lines 579 583) the Hoare annotation is: true [2022-07-12 06:19:38,335 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 498 506) the Hoare annotation is: true [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L895 garLoopResultBuilder]: At program point L758-2(lines 750 763) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2022-07-12 06:19:38,335 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L651-2(lines 651 658) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L895 garLoopResultBuilder]: At program point L680(lines 676 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:19:38,336 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-07-12 06:19:38,336 INFO L902 garLoopResultBuilder]: At program point L771(lines 710 775) the Hoare annotation is: true [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L902 garLoopResultBuilder]: At program point L635(lines 628 637) the Hoare annotation is: true [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L902 garLoopResultBuilder]: At program point L660(lines 641 663) the Hoare annotation is: true [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L895 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: false [2022-07-12 06:19:38,336 INFO L895 garLoopResultBuilder]: At program point L624(lines 620 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-07-12 06:19:38,336 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 740 746) no Hoare annotation was computed. [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L765(lines 720 767) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L980(lines 975 982) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L687(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-07-12 06:19:38,337 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse1) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-07-12 06:19:38,337 INFO L895 garLoopResultBuilder]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse3) .cse4 .cse5) (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse5 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not .cse3) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse4 .cse5))) [2022-07-12 06:19:38,337 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2022-07-12 06:19:38,337 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2022-07-12 06:19:38,337 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 950) no Hoare annotation was computed. [2022-07-12 06:19:38,338 INFO L899 garLoopResultBuilder]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2022-07-12 06:19:38,338 INFO L895 garLoopResultBuilder]: At program point L870(lines 865 872) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 1))) (or .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-07-12 06:19:38,338 INFO L895 garLoopResultBuilder]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (not .cse2)) .cse3 .cse4) (or .cse0 (not (<= 2 ~waterLevel~0)) (and .cse1 .cse2) (not (<= ~waterLevel~0 2)) .cse4) (or (not (= |old(~pumpRunning~0)| 1)) .cse3 .cse4))) [2022-07-12 06:19:38,338 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-07-12 06:19:38,338 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2022-07-12 06:19:38,338 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 814 838) no Hoare annotation was computed. [2022-07-12 06:19:38,338 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2022-07-12 06:19:38,338 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2022-07-12 06:19:38,339 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-07-12 06:19:38,341 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:38,343 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:19:38,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:19:38 BoogieIcfgContainer [2022-07-12 06:19:38,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:19:38,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:19:38,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:19:38,384 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:19:38,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:30" (3/4) ... [2022-07-12 06:19:38,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:19:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:19:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:19:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:19:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:19:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:19:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:19:38,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-07-12 06:19:38,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:19:38,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:19:38,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:19:38,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:19:38,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:38,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:38,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-12 06:19:38,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-12 06:19:38,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-07-12 06:19:38,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2022-07-12 06:19:38,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-07-12 06:19:38,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 <= 1 && \result <= 1) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 1) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((methaneLevelCritical == tmp && pumpRunning == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-07-12 06:19:38,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && \result == 1) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0))) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-07-12 06:19:38,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-07-12 06:19:38,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:38,450 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:19:38,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:19:38,451 INFO L158 Benchmark]: Toolchain (without parser) took 8520.56ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 130.2MB in the beginning and 158.8MB in the end (delta: -28.6MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,451 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:19:38,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.85ms. Allocated memory is still 163.6MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 125.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,452 INFO L158 Benchmark]: Boogie Preprocessor took 35.59ms. Allocated memory is still 163.6MB. Free memory was 125.7MB in the beginning and 123.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,452 INFO L158 Benchmark]: RCFGBuilder took 370.82ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 107.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,453 INFO L158 Benchmark]: TraceAbstraction took 7564.94ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 106.8MB in the beginning and 164.1MB in the end (delta: -57.3MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,453 INFO L158 Benchmark]: Witness Printer took 67.00ms. Allocated memory is still 243.3MB. Free memory was 164.1MB in the beginning and 158.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:19:38,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.85ms. Allocated memory is still 163.6MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 125.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.59ms. Allocated memory is still 163.6MB. Free memory was 125.7MB in the beginning and 123.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.82ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 107.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7564.94ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 106.8MB in the beginning and 164.1MB in the end (delta: -57.3MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. * Witness Printer took 67.00ms. Allocated memory is still 243.3MB. Free memory was 164.1MB in the beginning and 158.8MB in the end (delta: 5.2MB). 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: 704]: 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 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2255 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2227 mSDsluCounter, 4400 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3098 mSDsCounter, 683 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2380 IncrementalHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 683 mSolverCounterUnsat, 1302 mSDtfsCounter, 2380 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 250 SyntacticMatches, 3 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=9, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1117 PreInvPairs, 1368 NumberOfFragments, 1438 HoareAnnotationTreeSize, 1117 FomulaSimplifications, 212 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 12245 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 618 NumberOfCodeBlocks, 618 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 1317 SizeOfPredicates, 4 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 45/63 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: 420]: Loop Invariant Derived loop invariant: (((((((tmp___0 <= 1 && \result <= 1) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0))) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && \result == 1) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 1) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((methaneLevelCritical == tmp && pumpRunning == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:19:38,520 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