./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product52.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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:26:09,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:26:09,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:26:10,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:26:10,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:26:10,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:26:10,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:26:10,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:26:10,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:26:10,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:26:10,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:26:10,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:26:10,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:26:10,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:26:10,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:26:10,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:26:10,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:26:10,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:26:10,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:26:10,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:26:10,036 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:26:10,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:26:10,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:26:10,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:26:10,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:26:10,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:26:10,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:26:10,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:26:10,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:26:10,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:26:10,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:26:10,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:26:10,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:26:10,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:26:10,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:26:10,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:26:10,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:26:10,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:26:10,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:26:10,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:26:10,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:26:10,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:26:10,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:26:10,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:26:10,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:26:10,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:26:10,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:26:10,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:26:10,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:26:10,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:26:10,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:26:10,082 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:26:10,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:26:10,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:26:10,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:26:10,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:26:10,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:26:10,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:26:10,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:26:10,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:26:10,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:26:10,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:26:10,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:26:10,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:26:10,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:26:10,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:26:10,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:26:10,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:26:10,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:26:10,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:26:10,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2022-07-19 17:26:10,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:26:10,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:26:10,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:26:10,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:26:10,353 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:26:10,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-07-19 17:26:10,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2654943ff/db0c7b803fd3487b9130a50b8a3cb109/FLAGd75c96e90 [2022-07-19 17:26:10,863 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:26:10,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-07-19 17:26:10,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2654943ff/db0c7b803fd3487b9130a50b8a3cb109/FLAGd75c96e90 [2022-07-19 17:26:11,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2654943ff/db0c7b803fd3487b9130a50b8a3cb109 [2022-07-19 17:26:11,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:26:11,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:26:11,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:26:11,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:26:11,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:26:11,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19175741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11, skipping insertion in model container [2022-07-19 17:26:11,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:26:11,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:26:11,500 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_spec5_product52.cil.c[12672,12685] [2022-07-19 17:26:11,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:26:11,543 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:26:11,620 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_spec5_product52.cil.c[12672,12685] [2022-07-19 17:26:11,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:26:11,661 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:26:11,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11 WrapperNode [2022-07-19 17:26:11,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:26:11,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:26:11,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:26:11,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:26:11,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,723 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 268 [2022-07-19 17:26:11,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:26:11,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:26:11,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:26:11,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:26:11,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:26:11,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:26:11,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:26:11,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:26:11,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:26:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:11,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:26:11,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:26:11,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:26:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:26:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:26:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:26:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:26:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:26:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:26:11,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:26:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:26:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-19 17:26:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-19 17:26:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:26:11,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:26:11,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:26:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:26:11,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:26:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:26:11,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:26:11,919 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:26:11,921 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:26:12,234 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:26:12,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:26:12,243 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:26:12,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:26:12 BoogieIcfgContainer [2022-07-19 17:26:12,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:26:12,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:26:12,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:26:12,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:26:12,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:26:11" (1/3) ... [2022-07-19 17:26:12,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22086832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:26:12, skipping insertion in model container [2022-07-19 17:26:12,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11" (2/3) ... [2022-07-19 17:26:12,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22086832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:26:12, skipping insertion in model container [2022-07-19 17:26:12,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:26:12" (3/3) ... [2022-07-19 17:26:12,253 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2022-07-19 17:26:12,266 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:26:12,267 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:26:12,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:26:12,318 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@16d3a2be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d72728a [2022-07-19 17:26:12,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:26:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-19 17:26:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 17:26:12,332 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:12,333 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:12,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:12,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:12,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1209028345, now seen corresponding path program 1 times [2022-07-19 17:26:12,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:12,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161959500] [2022-07-19 17:26:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:26:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:26:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:12,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:12,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161959500] [2022-07-19 17:26:12,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161959500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:12,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:12,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:26:12,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941166528] [2022-07-19 17:26:12,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:12,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:26:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:12,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:26:12,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:26:12,671 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:26:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:12,715 INFO L93 Difference]: Finished difference Result 191 states and 258 transitions. [2022-07-19 17:26:12,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:26:12,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-19 17:26:12,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:12,732 INFO L225 Difference]: With dead ends: 191 [2022-07-19 17:26:12,732 INFO L226 Difference]: Without dead ends: 91 [2022-07-19 17:26:12,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:26:12,738 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:12,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:26:12,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-19 17:26:12,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-19 17:26:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:26:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2022-07-19 17:26:12,777 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 32 [2022-07-19 17:26:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:12,777 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2022-07-19 17:26:12,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:26:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2022-07-19 17:26:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 17:26:12,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:12,781 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:12,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:26:12,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:12,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:12,783 INFO L85 PathProgramCache]: Analyzing trace with hash 819571873, now seen corresponding path program 1 times [2022-07-19 17:26:12,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:12,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405482834] [2022-07-19 17:26:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:12,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:26:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:26:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:12,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:12,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405482834] [2022-07-19 17:26:12,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405482834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:12,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:12,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:26:12,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626793563] [2022-07-19 17:26:12,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:12,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:26:12,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:26:12,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:26:12,858 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:26:12,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:12,874 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2022-07-19 17:26:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:26:12,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-19 17:26:12,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:12,877 INFO L225 Difference]: With dead ends: 142 [2022-07-19 17:26:12,877 INFO L226 Difference]: Without dead ends: 82 [2022-07-19 17:26:12,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:26:12,880 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:12,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:26:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-19 17:26:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-19 17:26:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:26:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-07-19 17:26:12,893 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 33 [2022-07-19 17:26:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:12,893 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-07-19 17:26:12,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:26:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-07-19 17:26:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 17:26:12,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:12,896 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:12,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:26:12,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:12,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1285533544, now seen corresponding path program 1 times [2022-07-19 17:26:12,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:12,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990802276] [2022-07-19 17:26:12,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:26:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990802276] [2022-07-19 17:26:13,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990802276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:26:13,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504075118] [2022-07-19 17:26:13,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:26:13,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:26:13,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:13,022 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:26:13,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,148 INFO L93 Difference]: Finished difference Result 203 states and 264 transitions. [2022-07-19 17:26:13,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:26:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-19 17:26:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,152 INFO L225 Difference]: With dead ends: 203 [2022-07-19 17:26:13,154 INFO L226 Difference]: Without dead ends: 129 [2022-07-19 17:26:13,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:26:13,159 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:13,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 359 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:13,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-07-19 17:26:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2022-07-19 17:26:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 107 states have internal predecessors, (128), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2022-07-19 17:26:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2022-07-19 17:26:13,181 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 38 [2022-07-19 17:26:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,181 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2022-07-19 17:26:13,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:26:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2022-07-19 17:26:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-19 17:26:13,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,184 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:13,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:26:13,185 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1848173569, now seen corresponding path program 1 times [2022-07-19 17:26:13,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600077950] [2022-07-19 17:26:13,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-19 17:26:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 17:26:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:26:13,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600077950] [2022-07-19 17:26:13,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600077950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:26:13,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129339200] [2022-07-19 17:26:13,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:26:13,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:26:13,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:26:13,269 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:26:13,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,411 INFO L93 Difference]: Finished difference Result 292 states and 389 transitions. [2022-07-19 17:26:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:26:13,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-07-19 17:26:13,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,418 INFO L225 Difference]: With dead ends: 292 [2022-07-19 17:26:13,418 INFO L226 Difference]: Without dead ends: 174 [2022-07-19 17:26:13,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:26:13,427 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 50 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:13,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 502 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:13,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-07-19 17:26:13,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2022-07-19 17:26:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.272) internal successors, (159), 135 states have internal predecessors, (159), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-19 17:26:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 207 transitions. [2022-07-19 17:26:13,452 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 207 transitions. Word has length 41 [2022-07-19 17:26:13,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,453 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 207 transitions. [2022-07-19 17:26:13,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:26:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-07-19 17:26:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 17:26:13,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,456 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:13,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:26:13,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1678713476, now seen corresponding path program 1 times [2022-07-19 17:26:13,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391050299] [2022-07-19 17:26:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:26:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391050299] [2022-07-19 17:26:13,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391050299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:26:13,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051585010] [2022-07-19 17:26:13,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:26:13,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:26:13,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:26:13,585 INFO L87 Difference]: Start difference. First operand 164 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:13,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,725 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2022-07-19 17:26:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:26:13,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 52 [2022-07-19 17:26:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,731 INFO L225 Difference]: With dead ends: 351 [2022-07-19 17:26:13,731 INFO L226 Difference]: Without dead ends: 195 [2022-07-19 17:26:13,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:26:13,733 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 66 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:13,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 403 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:13,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-19 17:26:13,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2022-07-19 17:26:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2602739726027397) internal successors, (184), 156 states have internal predecessors, (184), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2022-07-19 17:26:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2022-07-19 17:26:13,752 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 52 [2022-07-19 17:26:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,752 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2022-07-19 17:26:13,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2022-07-19 17:26:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-19 17:26:13,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,755 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:13,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:26:13,755 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1278940123, now seen corresponding path program 1 times [2022-07-19 17:26:13,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428057760] [2022-07-19 17:26:13,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-19 17:26:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 17:26:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 17:26:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428057760] [2022-07-19 17:26:13,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428057760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 17:26:13,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654511335] [2022-07-19 17:26:13,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 17:26:13,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 17:26:13,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 17:26:13,841 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,945 INFO L93 Difference]: Finished difference Result 376 states and 473 transitions. [2022-07-19 17:26:13,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:26:13,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 55 [2022-07-19 17:26:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,948 INFO L225 Difference]: With dead ends: 376 [2022-07-19 17:26:13,948 INFO L226 Difference]: Without dead ends: 194 [2022-07-19 17:26:13,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:13,951 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:13,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 282 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:13,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-19 17:26:13,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2022-07-19 17:26:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2534246575342465) internal successors, (183), 156 states have internal predecessors, (183), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2022-07-19 17:26:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2022-07-19 17:26:13,984 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 55 [2022-07-19 17:26:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,984 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2022-07-19 17:26:13,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2022-07-19 17:26:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 17:26:13,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,992 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:13,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:26:13,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,993 INFO L85 PathProgramCache]: Analyzing trace with hash 927310078, now seen corresponding path program 1 times [2022-07-19 17:26:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46292664] [2022-07-19 17:26:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:26:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:14,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46292664] [2022-07-19 17:26:14,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46292664] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:26:14,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931444761] [2022-07-19 17:26:14,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:26:14,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:26:14,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:14,059 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:14,172 INFO L93 Difference]: Finished difference Result 382 states and 484 transitions. [2022-07-19 17:26:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:26:14,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 52 [2022-07-19 17:26:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:14,175 INFO L225 Difference]: With dead ends: 382 [2022-07-19 17:26:14,175 INFO L226 Difference]: Without dead ends: 200 [2022-07-19 17:26:14,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:26:14,179 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:14,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 316 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-07-19 17:26:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 192. [2022-07-19 17:26:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 148 states have (on average 1.25) internal successors, (185), 158 states have internal predecessors, (185), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2022-07-19 17:26:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2022-07-19 17:26:14,203 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 52 [2022-07-19 17:26:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:14,204 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2022-07-19 17:26:14,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2022-07-19 17:26:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 17:26:14,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:14,211 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:14,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:26:14,211 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:14,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:14,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1350011904, now seen corresponding path program 1 times [2022-07-19 17:26:14,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:14,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480329898] [2022-07-19 17:26:14,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:14,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:26:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:14,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480329898] [2022-07-19 17:26:14,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480329898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:26:14,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544260552] [2022-07-19 17:26:14,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:26:14,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:26:14,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:14,316 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-07-19 17:26:14,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:14,556 INFO L93 Difference]: Finished difference Result 589 states and 754 transitions. [2022-07-19 17:26:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:26:14,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-07-19 17:26:14,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:14,560 INFO L225 Difference]: With dead ends: 589 [2022-07-19 17:26:14,560 INFO L226 Difference]: Without dead ends: 405 [2022-07-19 17:26:14,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:26:14,562 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 223 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:14,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 347 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:26:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-07-19 17:26:14,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2022-07-19 17:26:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 308 states have (on average 1.2207792207792207) internal successors, (376), 326 states have internal predecessors, (376), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (72), 51 states have call predecessors, (72), 52 states have call successors, (72) [2022-07-19 17:26:14,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 500 transitions. [2022-07-19 17:26:14,590 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 500 transitions. Word has length 52 [2022-07-19 17:26:14,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:14,591 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 500 transitions. [2022-07-19 17:26:14,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-07-19 17:26:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 500 transitions. [2022-07-19 17:26:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-19 17:26:14,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:14,592 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:14,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:26:14,593 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:14,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:14,593 INFO L85 PathProgramCache]: Analyzing trace with hash 338031322, now seen corresponding path program 1 times [2022-07-19 17:26:14,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:14,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608892349] [2022-07-19 17:26:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:26:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:26:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 17:26:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:14,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608892349] [2022-07-19 17:26:14,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608892349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 17:26:14,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081602585] [2022-07-19 17:26:14,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 17:26:14,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 17:26:14,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:26:14,761 INFO L87 Difference]: Start difference. First operand 403 states and 500 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:26:15,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:15,648 INFO L93 Difference]: Finished difference Result 1232 states and 1584 transitions. [2022-07-19 17:26:15,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-19 17:26:15,649 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-19 17:26:15,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:15,654 INFO L225 Difference]: With dead ends: 1232 [2022-07-19 17:26:15,655 INFO L226 Difference]: Without dead ends: 925 [2022-07-19 17:26:15,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-07-19 17:26:15,657 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 560 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:15,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 946 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 17:26:15,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-07-19 17:26:15,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 747. [2022-07-19 17:26:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 571 states have (on average 1.2189141856392294) internal successors, (696), 608 states have internal predecessors, (696), 95 states have call successors, (95), 72 states have call predecessors, (95), 80 states have return successors, (135), 94 states have call predecessors, (135), 95 states have call successors, (135) [2022-07-19 17:26:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 926 transitions. [2022-07-19 17:26:15,704 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 926 transitions. Word has length 56 [2022-07-19 17:26:15,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:15,704 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 926 transitions. [2022-07-19 17:26:15,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:26:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 926 transitions. [2022-07-19 17:26:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-19 17:26:15,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:15,706 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:15,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:26:15,707 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash 836408910, now seen corresponding path program 1 times [2022-07-19 17:26:15,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:15,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636076881] [2022-07-19 17:26:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:26:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:26:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:26:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 17:26:15,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:15,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636076881] [2022-07-19 17:26:15,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636076881] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:26:15,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628545916] [2022-07-19 17:26:15,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:26:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:15,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:26:15,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:26:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 17:26:15,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:26:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:26:16,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:26:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 17:26:16,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628545916] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:26:16,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:26:16,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-07-19 17:26:16,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050092712] [2022-07-19 17:26:16,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:26:16,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-19 17:26:16,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:16,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-19 17:26:16,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:26:16,373 INFO L87 Difference]: Start difference. First operand 747 states and 926 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-19 17:26:17,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:17,628 INFO L93 Difference]: Finished difference Result 1737 states and 2233 transitions. [2022-07-19 17:26:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-19 17:26:17,629 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2022-07-19 17:26:17,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:17,635 INFO L225 Difference]: With dead ends: 1737 [2022-07-19 17:26:17,636 INFO L226 Difference]: Without dead ends: 1082 [2022-07-19 17:26:17,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2022-07-19 17:26:17,640 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 530 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:17,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1731 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 17:26:17,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2022-07-19 17:26:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 844. [2022-07-19 17:26:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 636 states have (on average 1.1965408805031446) internal successors, (761), 685 states have internal predecessors, (761), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (138), 100 states have call predecessors, (138), 112 states have call successors, (138) [2022-07-19 17:26:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1011 transitions. [2022-07-19 17:26:17,705 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1011 transitions. Word has length 98 [2022-07-19 17:26:17,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:17,706 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1011 transitions. [2022-07-19 17:26:17,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-19 17:26:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1011 transitions. [2022-07-19 17:26:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-19 17:26:17,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:17,716 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:17,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:26:17,940 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,SelfDestructingSolverStorable9 [2022-07-19 17:26:17,940 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:17,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash 305502577, now seen corresponding path program 1 times [2022-07-19 17:26:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:17,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685780363] [2022-07-19 17:26:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:17,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:26:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:26:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:26:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:26:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 17:26:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-19 17:26:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 17:26:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-19 17:26:18,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:18,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685780363] [2022-07-19 17:26:18,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685780363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:18,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:18,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 17:26:18,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690384395] [2022-07-19 17:26:18,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:18,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:26:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:18,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:26:18,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:26:18,101 INFO L87 Difference]: Start difference. First operand 844 states and 1011 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 17:26:18,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:18,368 INFO L93 Difference]: Finished difference Result 1641 states and 1985 transitions. [2022-07-19 17:26:18,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:26:18,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 175 [2022-07-19 17:26:18,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:18,374 INFO L225 Difference]: With dead ends: 1641 [2022-07-19 17:26:18,375 INFO L226 Difference]: Without dead ends: 889 [2022-07-19 17:26:18,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:26:18,379 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 192 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:18,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 488 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:26:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-07-19 17:26:18,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 853. [2022-07-19 17:26:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 645 states have (on average 1.193798449612403) internal successors, (770), 694 states have internal predecessors, (770), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (138), 100 states have call predecessors, (138), 112 states have call successors, (138) [2022-07-19 17:26:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1020 transitions. [2022-07-19 17:26:18,430 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1020 transitions. Word has length 175 [2022-07-19 17:26:18,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:18,430 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1020 transitions. [2022-07-19 17:26:18,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 17:26:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1020 transitions. [2022-07-19 17:26:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-19 17:26:18,444 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:18,444 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:18,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 17:26:18,445 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash 904906191, now seen corresponding path program 1 times [2022-07-19 17:26:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:18,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904478477] [2022-07-19 17:26:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:26:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:26:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:26:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:26:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-19 17:26:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-19 17:26:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 17:26:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-19 17:26:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-07-19 17:26:18,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:18,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904478477] [2022-07-19 17:26:18,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904478477] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:26:18,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588276018] [2022-07-19 17:26:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:18,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:26:18,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:18,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:26:18,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:26:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 17:26:18,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:26:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-19 17:26:18,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:26:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-19 17:26:19,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588276018] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:26:19,381 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:26:19,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-07-19 17:26:19,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318338025] [2022-07-19 17:26:19,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:26:19,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-19 17:26:19,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:19,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-19 17:26:19,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-07-19 17:26:19,383 INFO L87 Difference]: Start difference. First operand 853 states and 1020 transitions. Second operand has 25 states, 25 states have (on average 8.88) internal successors, (222), 22 states have internal predecessors, (222), 9 states have call successors, (33), 9 states have call predecessors, (33), 10 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2022-07-19 17:26:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:20,585 INFO L93 Difference]: Finished difference Result 1872 states and 2304 transitions. [2022-07-19 17:26:20,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-19 17:26:20,586 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 22 states have internal predecessors, (222), 9 states have call successors, (33), 9 states have call predecessors, (33), 10 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) Word has length 179 [2022-07-19 17:26:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:20,587 INFO L225 Difference]: With dead ends: 1872 [2022-07-19 17:26:20,587 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:26:20,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=575, Invalid=2077, Unknown=0, NotChecked=0, Total=2652 [2022-07-19 17:26:20,593 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 1150 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:20,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1109 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 17:26:20,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:26:20,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:26:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:26:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:26:20,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2022-07-19 17:26:20,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:20,594 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:26:20,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 22 states have internal predecessors, (222), 9 states have call successors, (33), 9 states have call predecessors, (33), 10 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2022-07-19 17:26:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:26:20,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:26:20,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:26:20,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:26:20,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-19 17:26:20,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:26:28,294 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 860 867) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-19 17:26:28,294 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 860 867) no Hoare annotation was computed. [2022-07-19 17:26:28,294 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 860 867) no Hoare annotation was computed. [2022-07-19 17:26:28,294 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 793 799) no Hoare annotation was computed. [2022-07-19 17:26:28,295 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 793 799) the Hoare annotation is: true [2022-07-19 17:26:28,295 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: true [2022-07-19 17:26:28,295 INFO L899 garLoopResultBuilder]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2022-07-19 17:26:28,295 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2022-07-19 17:26:28,295 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 956) no Hoare annotation was computed. [2022-07-19 17:26:28,296 INFO L899 garLoopResultBuilder]: For program point L952-2(lines 952 956) no Hoare annotation was computed. [2022-07-19 17:26:28,296 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2022-07-19 17:26:28,296 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2022-07-19 17:26:28,296 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2022-07-19 17:26:28,297 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 589 600) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-19 17:26:28,297 INFO L895 garLoopResultBuilder]: At program point L527(lines 522 529) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:28,298 INFO L895 garLoopResultBuilder]: At program point L560-1(lines 552 580) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse1 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not .cse7))) (let ((.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse1 .cse2 .cse21 .cse22 .cse4 .cse5 .cse6)) (.cse12 (and .cse9 .cse1 .cse10 .cse21 .cse22 .cse4 .cse5)) (.cse19 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|))) (.cse20 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse17 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse7 .cse8 (and .cse9 .cse1 .cse10 .cse3 .cse4 .cse5))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse11 .cse12 .cse7 .cse13) (or (and .cse2 .cse14 .cse15 .cse16 .cse6) .cse17 (and (<= 1 ~pumpRunning~0) .cse14 .cse15 .cse16) .cse7 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse18 .cse17 (and .cse19 .cse9 .cse2 .cse20 .cse16)) (or .cse18 (and .cse19 .cse9 .cse10 .cse20 .cse16 .cse5) .cse0 .cse11 .cse12 (and .cse19 .cse2 .cse20 .cse16 .cse5 .cse6) .cse7 .cse13) (or .cse17 (and .cse9 .cse2 .cse14 .cse15 .cse16) (not (= |old(~waterLevel~0)| 2)) .cse6))))) [2022-07-19 17:26:28,298 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse6 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7 (not .cse3))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (= ~waterLevel~0 1) .cse7) .cse3 .cse0)))) [2022-07-19 17:26:28,298 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 766 792) no Hoare annotation was computed. [2022-07-19 17:26:28,298 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-19 17:26:28,298 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2022-07-19 17:26:28,299 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse1) (or .cse0 .cse1 (and .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:28,299 INFO L895 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-19 17:26:28,299 INFO L895 garLoopResultBuilder]: At program point L846-1(lines 827 851) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse9 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse17 (<= ~waterLevel~0 1)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not .cse6)) (.cse15 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse15 .cse10)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse9 .cse12 .cse13 .cse17 .cse18 .cse14 .cse2)) (.cse7 (and .cse15 .cse17 .cse18 .cse14)) (.cse16 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10) .cse5) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse6 (= ~waterLevel~0 1) .cse1) (or .cse11 .cse3 (and .cse12 .cse13 .cse10 .cse14) .cse4 (and .cse15 .cse10 .cse14) .cse6 .cse7 .cse16) (or .cse11 .cse0 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse6 .cse7 .cse16))))) [2022-07-19 17:26:28,299 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 780 786) no Hoare annotation was computed. [2022-07-19 17:26:28,299 INFO L895 garLoopResultBuilder]: At program point L549(lines 542 551) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2022-07-19 17:26:28,300 INFO L895 garLoopResultBuilder]: At program point L958(lines 943 961) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-07-19 17:26:28,300 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse4 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (and .cse4 .cse9 .cse18 .cse19 .cse7 .cse8)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (and .cse3 .cse4 .cse5 .cse18 .cse19 .cse7 .cse8)) (.cse1 (= 0 ~systemActive~0)) (.cse17 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse6 (= ~waterLevel~0 1))) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse9 .cse6 .cse7 .cse8))) (or .cse10 .cse11 (and .cse9 .cse12 .cse13 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2))) (let ((.cse14 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|)))) (or (and .cse14 .cse9 .cse12 .cse13 .cse8) .cse10 .cse15 (and .cse14 .cse3 .cse5 .cse12 .cse13 .cse8) .cse0 .cse16 .cse1 .cse17)) (or .cse11 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse15 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse16 .cse1 .cse17)))) [2022-07-19 17:26:28,300 INFO L899 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2022-07-19 17:26:28,301 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 779) no Hoare annotation was computed. [2022-07-19 17:26:28,301 INFO L899 garLoopResultBuilder]: For program point L773-2(lines 769 791) no Hoare annotation was computed. [2022-07-19 17:26:28,301 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2022-07-19 17:26:28,301 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 848) no Hoare annotation was computed. [2022-07-19 17:26:28,301 INFO L895 garLoopResultBuilder]: At program point L662(lines 657 665) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse14 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse17 (= ~pumpRunning~0 0)) (.cse5 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse17 .cse5 .cse3)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and .cse4 .cse12 .cse13 .cse14 .cse2 .cse20 .cse16)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~systemActive~0)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (and .cse13 .cse17 .cse2 .cse20 .cse16)) (.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse19 (< |timeShift_getWaterLevel_#res#1| 2))) (and (or .cse0 .cse1 (and .cse2 .cse3) (and .cse4 .cse5 .cse3) .cse6) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse1 .cse6 (not .cse9) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse15 (= ~waterLevel~0 1))) (or (and .cse12 .cse13 .cse14 .cse15 .cse16) .cse8 (not (< 1 |old(~waterLevel~0)|)) (and .cse13 .cse17 .cse15 .cse16) .cse9 .cse6)) (or .cse18 (and .cse12 .cse14 .cse19 .cse3 .cse16) (and .cse17 .cse19 .cse3 .cse16) .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse18 .cse1 (and .cse17 .cse19))))) [2022-07-19 17:26:28,302 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 766 792) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or (and .cse6 .cse2 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8) (or .cse8 (and .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse4 .cse5 (and .cse1 .cse2 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:28,302 INFO L899 garLoopResultBuilder]: For program point L526(line 526) no Hoare annotation was computed. [2022-07-19 17:26:28,302 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 792) no Hoare annotation was computed. [2022-07-19 17:26:28,302 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2022-07-19 17:26:28,302 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or (and .cse6 .cse2 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8) (or .cse8 (and .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3) .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse4 .cse5 (and .cse1 .cse2 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:28,302 INFO L899 garLoopResultBuilder]: For program point L547-1(line 547) no Hoare annotation was computed. [2022-07-19 17:26:28,303 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-07-19 17:26:28,303 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-07-19 17:26:28,303 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-07-19 17:26:28,303 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-07-19 17:26:28,303 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-07-19 17:26:28,304 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-07-19 17:26:28,304 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-07-19 17:26:28,304 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-07-19 17:26:28,304 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-07-19 17:26:28,304 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-07-19 17:26:28,304 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2022-07-19 17:26:28,304 INFO L895 garLoopResultBuilder]: At program point L539(lines 534 541) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:28,305 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:26:28,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:26:28,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:26:28,305 INFO L895 garLoopResultBuilder]: At program point L982(lines 977 984) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 (<= ~waterLevel~0 2) .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5))) [2022-07-19 17:26:28,305 INFO L902 garLoopResultBuilder]: At program point L755(lines 692 759) the Hoare annotation is: true [2022-07-19 17:26:28,305 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-07-19 17:26:28,305 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-07-19 17:26:28,306 INFO L895 garLoopResultBuilder]: At program point L974(lines 962 976) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= 0 ~systemActive~0)) [2022-07-19 17:26:28,307 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse3))) [2022-07-19 17:26:28,307 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-07-19 17:26:28,307 INFO L899 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2022-07-19 17:26:28,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:26:28,308 INFO L895 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:28,308 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-07-19 17:26:28,308 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-07-19 17:26:28,308 INFO L895 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:28,309 INFO L895 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:28,309 INFO L895 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2022-07-19 17:26:28,309 INFO L902 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2022-07-19 17:26:28,309 INFO L902 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2022-07-19 17:26:28,310 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-07-19 17:26:28,310 INFO L895 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-07-19 17:26:28,311 INFO L899 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2022-07-19 17:26:28,311 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2022-07-19 17:26:28,311 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-07-19 17:26:28,311 INFO L895 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse3))) [2022-07-19 17:26:28,311 INFO L895 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:28,311 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-07-19 17:26:28,312 INFO L895 garLoopResultBuilder]: At program point L968(line 968) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2022-07-19 17:26:28,312 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-07-19 17:26:28,312 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-07-19 17:26:28,312 INFO L895 garLoopResultBuilder]: At program point L857(lines 852 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-19 17:26:28,312 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-07-19 17:26:28,312 INFO L899 garLoopResultBuilder]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2022-07-19 17:26:28,312 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-07-19 17:26:28,313 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 801 825) no Hoare annotation was computed. [2022-07-19 17:26:28,313 INFO L895 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-19 17:26:28,314 INFO L895 garLoopResultBuilder]: At program point L939(lines 924 942) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-07-19 17:26:28,314 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 817) no Hoare annotation was computed. [2022-07-19 17:26:28,314 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 822) no Hoare annotation was computed. [2022-07-19 17:26:28,314 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2022-07-19 17:26:28,315 INFO L895 garLoopResultBuilder]: At program point L675(lines 666 679) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-07-19 17:26:28,315 INFO L899 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2022-07-19 17:26:28,315 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2022-07-19 17:26:28,315 INFO L899 garLoopResultBuilder]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2022-07-19 17:26:28,315 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (not (= ~pumpRunning~0 0)) .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-07-19 17:26:28,315 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 879 887) no Hoare annotation was computed. [2022-07-19 17:26:28,315 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 879 887) the Hoare annotation is: true [2022-07-19 17:26:28,316 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 879 887) no Hoare annotation was computed. [2022-07-19 17:26:28,318 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:28,320 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:26:28,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:26:28 BoogieIcfgContainer [2022-07-19 17:26:28,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:26:28,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:26:28,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:26:28,381 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:26:28,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:26:12" (3/4) ... [2022-07-19 17:26:28,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:26:28,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:26:28,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:26:28,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:26:28,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:26:28,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:26:28,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:28,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:26:28,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-19 17:26:28,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-19 17:26:28,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:26:28,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:26:28,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:26:28,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:26:28,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:26:28,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:26:28,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:26:28,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:26:28,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:26:28,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) [2022-07-19 17:26:28,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-07-19 17:26:28,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:28,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-07-19 17:26:28,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 <= \old(pumpRunning)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == 0 && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel))) && (((((((!(\old(waterLevel) <= 1) || (((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((!(2 <= tmp) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) [2022-07-19 17:26:28,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:28,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:28,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 0 == systemActive [2022-07-19 17:26:28,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result < 2)) [2022-07-19 17:26:28,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:28,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-19 17:26:28,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:28,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (tmp___0 == 0 && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-19 17:26:28,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-07-19 17:26:28,471 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:26:28,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:26:28,472 INFO L158 Benchmark]: Toolchain (without parser) took 17237.88ms. Allocated memory was 113.2MB in the beginning and 209.7MB in the end (delta: 96.5MB). Free memory was 76.3MB in the beginning and 103.6MB in the end (delta: -27.4MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-07-19 17:26:28,472 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:26:28,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.97ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 78.5MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 17:26:28,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.82ms. Allocated memory is still 113.2MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:26:28,473 INFO L158 Benchmark]: Boogie Preprocessor took 42.37ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 74.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:26:28,474 INFO L158 Benchmark]: RCFGBuilder took 477.90ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 57.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 17:26:28,475 INFO L158 Benchmark]: TraceAbstraction took 16132.98ms. Allocated memory was 113.2MB in the beginning and 209.7MB in the end (delta: 96.5MB). Free memory was 57.0MB in the beginning and 108.9MB in the end (delta: -51.9MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2022-07-19 17:26:28,475 INFO L158 Benchmark]: Witness Printer took 90.94ms. Allocated memory is still 209.7MB. Free memory was 108.9MB in the beginning and 103.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:26:28,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.97ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 78.5MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.82ms. Allocated memory is still 113.2MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.37ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 74.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.90ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 57.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16132.98ms. Allocated memory was 113.2MB in the beginning and 209.7MB in the end (delta: 96.5MB). Free memory was 57.0MB in the beginning and 108.9MB in the end (delta: -51.9MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. * Witness Printer took 90.94ms. Allocated memory is still 209.7MB. Free memory was 108.9MB in the beginning and 103.6MB 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: 526]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3164 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3117 mSDsluCounter, 6795 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5142 mSDsCounter, 1095 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3998 IncrementalHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1095 mSolverCounterUnsat, 1653 mSDtfsCounter, 3998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 893 GetRequests, 705 SyntacticMatches, 6 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1535 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=853occurred in iteration=11, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 484 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2288 PreInvPairs, 2662 NumberOfFragments, 2876 HoareAnnotationTreeSize, 2288 FomulaSimplifications, 4897 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 46 FomulaSimplificationsInter, 33196 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1140 NumberOfCodeBlocks, 1140 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1401 ConstructedInterpolants, 0 QuantifiedInterpolants, 2772 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 830/909 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: 702]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (tmp___0 == 0 && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 0 == systemActive - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((!(1 <= \old(pumpRunning)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == 0 && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel))) && (((((((!(\old(waterLevel) <= 1) || (((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((!(2 <= tmp) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result < 2)) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-19 17:26:28,530 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