/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:36:00,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:36:00,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:36:00,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:36:00,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:36:00,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:36:00,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:36:00,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:36:00,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:36:00,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:36:00,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:36:00,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:36:00,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:36:00,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:36:00,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:36:00,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:36:00,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:36:00,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:36:00,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:36:00,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:36:00,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:36:00,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:36:00,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:36:00,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:36:00,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:36:00,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:36:00,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:36:00,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:36:00,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:36:00,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:36:00,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:36:00,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:36:00,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:36:00,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:36:00,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:36:00,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:36:00,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:36:00,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:36:00,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:36:00,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:36:00,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:36:00,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:36:01,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:36:01,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:36:01,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:36:01,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:36:01,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:36:01,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:36:01,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:36:01,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:36:01,023 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:36:01,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:36:01,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:36:01,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:36:01,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:36:01,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:36:01,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:36:01,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:36:01,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:36:01,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:36:01,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:36:01,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:36:01,029 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:36:01,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:36:01,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:36:01,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:36:01,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:36:01,288 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:36:01,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2022-01-10 06:36:01,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d36bcad/3e1d0f1229a74b7f9a776c5d645659f4/FLAGe6e71da69 [2022-01-10 06:36:01,847 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:36:01,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2022-01-10 06:36:01,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d36bcad/3e1d0f1229a74b7f9a776c5d645659f4/FLAGe6e71da69 [2022-01-10 06:36:02,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d36bcad/3e1d0f1229a74b7f9a776c5d645659f4 [2022-01-10 06:36:02,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:36:02,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:36:02,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:36:02,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:36:02,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:36:02,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:02,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b361d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02, skipping insertion in model container [2022-01-10 06:36:02,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:02,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:36:02,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:36:02,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c[8146,8159] [2022-01-10 06:36:02,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:02,762 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:36:02,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:36:02,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c[8146,8159] [2022-01-10 06:36:02,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:02,845 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:36:02,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c[8146,8159] [2022-01-10 06:36:02,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:02,918 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:36:02,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02 WrapperNode [2022-01-10 06:36:02,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:36:02,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:36:02,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:36:02,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:36:02,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:02,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:02,985 INFO L137 Inliner]: procedures = 62, calls = 164, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 280 [2022-01-10 06:36:02,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:36:02,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:36:02,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:36:02,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:36:02,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:02,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:36:03,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:36:03,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:36:03,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:36:03,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (1/1) ... [2022-01-10 06:36:03,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:36:03,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:36:03,059 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) [2022-01-10 06:36:03,061 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 [2022-01-10 06:36:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:36:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:36:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:36:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:36:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:36:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:36:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:36:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:36:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:36:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:36:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:36:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:36:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:36:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:36:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:36:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:36:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:36:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:36:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:36:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:36:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:36:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:36:03,192 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:36:03,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:36:03,524 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:36:03,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:36:03,531 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:36:03,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:03 BoogieIcfgContainer [2022-01-10 06:36:03,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:36:03,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:36:03,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:36:03,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:36:03,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:36:02" (1/3) ... [2022-01-10 06:36:03,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ed0fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:03, skipping insertion in model container [2022-01-10 06:36:03,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:02" (2/3) ... [2022-01-10 06:36:03,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ed0fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:03, skipping insertion in model container [2022-01-10 06:36:03,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:03" (3/3) ... [2022-01-10 06:36:03,541 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2022-01-10 06:36:03,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:36:03,546 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:36:03,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:36:03,602 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:36:03,603 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:36:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-10 06:36:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:36:03,637 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:03,638 INFO L514 BasicCegarLoop]: 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] [2022-01-10 06:36:03,638 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:03,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:03,643 INFO L85 PathProgramCache]: Analyzing trace with hash 2077500872, now seen corresponding path program 1 times [2022-01-10 06:36:03,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:03,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937383930] [2022-01-10 06:36:03,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:03,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:03,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:03,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:03,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:36:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:36:03,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:36:03,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:03,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:03,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937383930] [2022-01-10 06:36:03,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937383930] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:03,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:03,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:03,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215204813] [2022-01-10 06:36:03,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:03,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:36:03,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:03,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:36:03,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:36:03,937 INFO L87 Difference]: Start difference. First operand has 110 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) 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), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:03,988 INFO L93 Difference]: Finished difference Result 211 states and 286 transitions. [2022-01-10 06:36:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:36:03,990 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), 1 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 [2022-01-10 06:36:03,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:04,004 INFO L225 Difference]: With dead ends: 211 [2022-01-10 06:36:04,004 INFO L226 Difference]: Without dead ends: 101 [2022-01-10 06:36:04,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:36:04,013 INFO L933 BasicCegarLoop]: 140 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, 140 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 [2022-01-10 06:36:04,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-01-10 06:36:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-01-10 06:36:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 85 states have internal predecessors, (98), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-10 06:36:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 131 transitions. [2022-01-10 06:36:04,066 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 131 transitions. Word has length 32 [2022-01-10 06:36:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:04,067 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-01-10 06:36:04,068 INFO L471 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), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2022-01-10 06:36:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:36:04,075 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:04,075 INFO L514 BasicCegarLoop]: 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] [2022-01-10 06:36:04,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:04,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:04,285 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:04,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:04,286 INFO L85 PathProgramCache]: Analyzing trace with hash 604529845, now seen corresponding path program 1 times [2022-01-10 06:36:04,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:04,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287415091] [2022-01-10 06:36:04,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:04,287 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:04,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:04,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:04,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:36:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:04,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:04,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:36:04,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:04,478 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:04,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287415091] [2022-01-10 06:36:04,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287415091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:04,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:04,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:04,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347902310] [2022-01-10 06:36:04,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:04,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:04,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:04,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:04,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:04,494 INFO L87 Difference]: Start difference. First operand 101 states and 131 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), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:04,517 INFO L93 Difference]: Finished difference Result 162 states and 210 transitions. [2022-01-10 06:36:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:04,520 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), 1 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 [2022-01-10 06:36:04,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:04,523 INFO L225 Difference]: With dead ends: 162 [2022-01-10 06:36:04,523 INFO L226 Difference]: Without dead ends: 92 [2022-01-10 06:36:04,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:04,527 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 17 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 214 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 [2022-01-10 06:36:04,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:04,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-01-10 06:36:04,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-01-10 06:36:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 69 states have (on average 1.318840579710145) internal successors, (91), 79 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:36:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-01-10 06:36:04,547 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 33 [2022-01-10 06:36:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:04,547 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-01-10 06:36:04,548 INFO L471 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), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-01-10 06:36:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:36:04,550 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:04,550 INFO L514 BasicCegarLoop]: 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] [2022-01-10 06:36:04,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:04,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:04,764 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:04,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:04,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1594505260, now seen corresponding path program 1 times [2022-01-10 06:36:04,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:04,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145457735] [2022-01-10 06:36:04,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:04,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:04,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:04,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:04,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:36:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:04,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:04,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:04,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:04,925 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:04,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145457735] [2022-01-10 06:36:04,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145457735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:04,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:04,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:04,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437147234] [2022-01-10 06:36:04,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:04,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:04,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:04,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:04,928 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:36:04,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:04,956 INFO L93 Difference]: Finished difference Result 258 states and 340 transitions. [2022-01-10 06:36:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:04,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-01-10 06:36:04,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:04,959 INFO L225 Difference]: With dead ends: 258 [2022-01-10 06:36:04,959 INFO L226 Difference]: Without dead ends: 174 [2022-01-10 06:36:04,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:04,960 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 104 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:04,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 252 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:04,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-01-10 06:36:04,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2022-01-10 06:36:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 126 states have (on average 1.3412698412698412) internal successors, (169), 145 states have internal predecessors, (169), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2022-01-10 06:36:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 225 transitions. [2022-01-10 06:36:04,992 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 225 transitions. Word has length 38 [2022-01-10 06:36:04,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:04,992 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 225 transitions. [2022-01-10 06:36:04,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:36:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 225 transitions. [2022-01-10 06:36:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:36:04,993 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:04,994 INFO L514 BasicCegarLoop]: 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] [2022-01-10 06:36:05,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:05,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:05,203 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:05,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:05,203 INFO L85 PathProgramCache]: Analyzing trace with hash -969732780, now seen corresponding path program 1 times [2022-01-10 06:36:05,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:05,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259640221] [2022-01-10 06:36:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:05,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:05,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:05,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:05,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:36:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:05,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:36:05,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:36:05,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:05,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:05,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259640221] [2022-01-10 06:36:05,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259640221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:05,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:05,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:36:05,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607472188] [2022-01-10 06:36:05,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:05,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:36:05,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:05,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:36:05,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:36:05,452 INFO L87 Difference]: Start difference. First operand 171 states and 225 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), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:05,612 INFO L93 Difference]: Finished difference Result 445 states and 602 transitions. [2022-01-10 06:36:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:36:05,613 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), 1 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 [2022-01-10 06:36:05,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:05,616 INFO L225 Difference]: With dead ends: 445 [2022-01-10 06:36:05,616 INFO L226 Difference]: Without dead ends: 282 [2022-01-10 06:36:05,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:36:05,618 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 69 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:05,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 533 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:36:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-01-10 06:36:05,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 269. [2022-01-10 06:36:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 200 states have (on average 1.29) internal successors, (258), 217 states have internal predecessors, (258), 38 states have call successors, (38), 30 states have call predecessors, (38), 30 states have return successors, (50), 33 states have call predecessors, (50), 38 states have call successors, (50) [2022-01-10 06:36:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 346 transitions. [2022-01-10 06:36:05,650 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 346 transitions. Word has length 41 [2022-01-10 06:36:05,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:05,650 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 346 transitions. [2022-01-10 06:36:05,650 INFO L471 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), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 346 transitions. [2022-01-10 06:36:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 06:36:05,652 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:05,652 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:05,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:05,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:05,861 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:05,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1724941251, now seen corresponding path program 1 times [2022-01-10 06:36:05,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:05,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950120038] [2022-01-10 06:36:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:05,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:05,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:05,864 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:05,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:36:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:05,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:05,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:06,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:06,077 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:06,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950120038] [2022-01-10 06:36:06,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950120038] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:06,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:06,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:06,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912064531] [2022-01-10 06:36:06,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:06,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:06,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:06,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:06,079 INFO L87 Difference]: Start difference. First operand 269 states and 346 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:06,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:06,118 INFO L93 Difference]: Finished difference Result 739 states and 973 transitions. [2022-01-10 06:36:06,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:06,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-01-10 06:36:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:06,123 INFO L225 Difference]: With dead ends: 739 [2022-01-10 06:36:06,123 INFO L226 Difference]: Without dead ends: 478 [2022-01-10 06:36:06,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:06,126 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 53 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:06,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 229 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-01-10 06:36:06,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 471. [2022-01-10 06:36:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 352 states have (on average 1.2670454545454546) internal successors, (446), 374 states have internal predecessors, (446), 65 states have call successors, (65), 53 states have call predecessors, (65), 53 states have return successors, (89), 60 states have call predecessors, (89), 65 states have call successors, (89) [2022-01-10 06:36:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 600 transitions. [2022-01-10 06:36:06,175 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 600 transitions. Word has length 57 [2022-01-10 06:36:06,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:06,176 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 600 transitions. [2022-01-10 06:36:06,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 600 transitions. [2022-01-10 06:36:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 06:36:06,180 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:06,181 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:06,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:06,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:06,391 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:06,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:06,391 INFO L85 PathProgramCache]: Analyzing trace with hash 80497083, now seen corresponding path program 1 times [2022-01-10 06:36:06,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:06,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616972707] [2022-01-10 06:36:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:06,392 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:06,393 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:06,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:36:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:06,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:36:06,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:06,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:06,579 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:06,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616972707] [2022-01-10 06:36:06,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616972707] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:06,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:06,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:36:06,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083701752] [2022-01-10 06:36:06,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:06,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:36:06,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:36:06,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:06,582 INFO L87 Difference]: Start difference. First operand 471 states and 600 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:06,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:06,647 INFO L93 Difference]: Finished difference Result 958 states and 1248 transitions. [2022-01-10 06:36:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:36:06,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-01-10 06:36:06,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:06,654 INFO L225 Difference]: With dead ends: 958 [2022-01-10 06:36:06,654 INFO L226 Difference]: Without dead ends: 495 [2022-01-10 06:36:06,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:06,658 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 9 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:06,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:06,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2022-01-10 06:36:06,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 483. [2022-01-10 06:36:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 364 states have (on average 1.2582417582417582) internal successors, (458), 386 states have internal predecessors, (458), 65 states have call successors, (65), 53 states have call predecessors, (65), 53 states have return successors, (89), 60 states have call predecessors, (89), 65 states have call successors, (89) [2022-01-10 06:36:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 612 transitions. [2022-01-10 06:36:06,692 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 612 transitions. Word has length 57 [2022-01-10 06:36:06,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:06,695 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 612 transitions. [2022-01-10 06:36:06,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 612 transitions. [2022-01-10 06:36:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 06:36:06,696 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:06,696 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:06,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:06,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:06,906 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:06,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:06,907 INFO L85 PathProgramCache]: Analyzing trace with hash 503198909, now seen corresponding path program 1 times [2022-01-10 06:36:06,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:06,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979821235] [2022-01-10 06:36:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:06,907 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:06,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:06,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:06,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:36:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:06,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:06,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:07,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:07,061 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:07,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979821235] [2022-01-10 06:36:07,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979821235] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:07,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:07,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:36:07,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167082900] [2022-01-10 06:36:07,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:07,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:36:07,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:07,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:36:07,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:36:07,066 INFO L87 Difference]: Start difference. First operand 483 states and 612 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:07,106 INFO L93 Difference]: Finished difference Result 880 states and 1147 transitions. [2022-01-10 06:36:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:36:07,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-01-10 06:36:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:07,109 INFO L225 Difference]: With dead ends: 880 [2022-01-10 06:36:07,109 INFO L226 Difference]: Without dead ends: 405 [2022-01-10 06:36:07,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:07,112 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 11 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:07,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 351 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-01-10 06:36:07,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 393. [2022-01-10 06:36:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 296 states have (on average 1.239864864864865) internal successors, (367), 315 states have internal predecessors, (367), 54 states have call successors, (54), 44 states have call predecessors, (54), 42 states have return successors, (66), 47 states have call predecessors, (66), 54 states have call successors, (66) [2022-01-10 06:36:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 487 transitions. [2022-01-10 06:36:07,136 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 487 transitions. Word has length 57 [2022-01-10 06:36:07,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:07,136 INFO L470 AbstractCegarLoop]: Abstraction has 393 states and 487 transitions. [2022-01-10 06:36:07,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 487 transitions. [2022-01-10 06:36:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 06:36:07,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:07,138 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:07,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:07,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:07,347 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:07,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:07,348 INFO L85 PathProgramCache]: Analyzing trace with hash 924671973, now seen corresponding path program 1 times [2022-01-10 06:36:07,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:07,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138052707] [2022-01-10 06:36:07,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:07,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:07,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:07,351 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:07,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:36:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:07,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:36:07,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:07,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:07,616 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:07,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138052707] [2022-01-10 06:36:07,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138052707] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:07,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:07,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:36:07,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663924804] [2022-01-10 06:36:07,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:07,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:36:07,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:07,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:36:07,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:36:07,618 INFO L87 Difference]: Start difference. First operand 393 states and 487 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 06:36:08,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:08,258 INFO L93 Difference]: Finished difference Result 1270 states and 1647 transitions. [2022-01-10 06:36:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:36:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2022-01-10 06:36:08,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:08,264 INFO L225 Difference]: With dead ends: 1270 [2022-01-10 06:36:08,264 INFO L226 Difference]: Without dead ends: 999 [2022-01-10 06:36:08,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:36:08,266 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 286 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:08,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 700 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 06:36:08,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-01-10 06:36:08,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 930. [2022-01-10 06:36:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 697 states have (on average 1.2295552367288378) internal successors, (857), 747 states have internal predecessors, (857), 127 states have call successors, (127), 95 states have call predecessors, (127), 105 states have return successors, (167), 115 states have call predecessors, (167), 127 states have call successors, (167) [2022-01-10 06:36:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1151 transitions. [2022-01-10 06:36:08,312 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1151 transitions. Word has length 61 [2022-01-10 06:36:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:08,313 INFO L470 AbstractCegarLoop]: Abstraction has 930 states and 1151 transitions. [2022-01-10 06:36:08,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-01-10 06:36:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1151 transitions. [2022-01-10 06:36:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-10 06:36:08,314 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:08,315 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:08,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:08,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:08,528 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:08,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:08,528 INFO L85 PathProgramCache]: Analyzing trace with hash 798113011, now seen corresponding path program 1 times [2022-01-10 06:36:08,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:08,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472669521] [2022-01-10 06:36:08,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:08,529 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:08,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:08,529 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:08,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:36:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:08,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:08,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:36:08,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:08,742 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:08,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472669521] [2022-01-10 06:36:08,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472669521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:08,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:08,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:08,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887918728] [2022-01-10 06:36:08,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:08,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:08,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:08,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:08,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:08,744 INFO L87 Difference]: Start difference. First operand 930 states and 1151 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:36:08,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:08,790 INFO L93 Difference]: Finished difference Result 1549 states and 1914 transitions. [2022-01-10 06:36:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2022-01-10 06:36:08,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:08,794 INFO L225 Difference]: With dead ends: 1549 [2022-01-10 06:36:08,794 INFO L226 Difference]: Without dead ends: 627 [2022-01-10 06:36:08,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:08,796 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 35 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:08,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 268 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-01-10 06:36:08,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 619. [2022-01-10 06:36:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 468 states have (on average 1.2158119658119657) internal successors, (569), 501 states have internal predecessors, (569), 82 states have call successors, (82), 63 states have call predecessors, (82), 68 states have return successors, (102), 76 states have call predecessors, (102), 82 states have call successors, (102) [2022-01-10 06:36:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 753 transitions. [2022-01-10 06:36:08,827 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 753 transitions. Word has length 91 [2022-01-10 06:36:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:08,827 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 753 transitions. [2022-01-10 06:36:08,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:36:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 753 transitions. [2022-01-10 06:36:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-01-10 06:36:08,829 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:08,829 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:08,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:09,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,038 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:09,039 INFO L85 PathProgramCache]: Analyzing trace with hash -726468575, now seen corresponding path program 1 times [2022-01-10 06:36:09,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:09,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144991918] [2022-01-10 06:36:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:09,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:09,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:09,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:36:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:09,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:36:09,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:36:09,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:36:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-10 06:36:09,929 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:09,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144991918] [2022-01-10 06:36:09,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144991918] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:36:09,930 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:36:09,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2022-01-10 06:36:09,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126803392] [2022-01-10 06:36:09,930 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:36:09,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-10 06:36:09,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:09,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-10 06:36:09,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:36:09,931 INFO L87 Difference]: Start difference. First operand 619 states and 753 transitions. Second operand has 16 states, 16 states have (on average 8.75) internal successors, (140), 15 states have internal predecessors, (140), 9 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-01-10 06:36:10,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:10,658 INFO L93 Difference]: Finished difference Result 1472 states and 1851 transitions. [2022-01-10 06:36:10,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 06:36:10,659 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.75) internal successors, (140), 15 states have internal predecessors, (140), 9 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 111 [2022-01-10 06:36:10,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:10,663 INFO L225 Difference]: With dead ends: 1472 [2022-01-10 06:36:10,664 INFO L226 Difference]: Without dead ends: 950 [2022-01-10 06:36:10,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 208 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2022-01-10 06:36:10,666 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 799 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:10,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [813 Valid, 998 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 06:36:10,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-01-10 06:36:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 943. [2022-01-10 06:36:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 707 states have (on average 1.2050919377652052) internal successors, (852), 756 states have internal predecessors, (852), 127 states have call successors, (127), 98 states have call predecessors, (127), 108 states have return successors, (153), 120 states have call predecessors, (153), 127 states have call successors, (153) [2022-01-10 06:36:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1132 transitions. [2022-01-10 06:36:10,703 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1132 transitions. Word has length 111 [2022-01-10 06:36:10,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:10,704 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1132 transitions. [2022-01-10 06:36:10,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.75) internal successors, (140), 15 states have internal predecessors, (140), 9 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-01-10 06:36:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1132 transitions. [2022-01-10 06:36:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-01-10 06:36:10,705 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:10,706 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:10,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:10,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,915 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:10,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:10,916 INFO L85 PathProgramCache]: Analyzing trace with hash -664428961, now seen corresponding path program 1 times [2022-01-10 06:36:10,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:10,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573904120] [2022-01-10 06:36:10,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:10,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:10,917 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:10,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:36:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:10,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:36:11,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-01-10 06:36:11,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:11,197 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:11,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573904120] [2022-01-10 06:36:11,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573904120] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:11,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:11,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:36:11,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709304045] [2022-01-10 06:36:11,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:11,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:36:11,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:11,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:36:11,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:11,199 INFO L87 Difference]: Start difference. First operand 943 states and 1132 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:36:11,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:11,255 INFO L93 Difference]: Finished difference Result 1211 states and 1448 transitions. [2022-01-10 06:36:11,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:36:11,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 111 [2022-01-10 06:36:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:11,257 INFO L225 Difference]: With dead ends: 1211 [2022-01-10 06:36:11,257 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:36:11,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:11,260 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 9 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:11,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:11,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:36:11,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:36:11,260 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) [2022-01-10 06:36:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:36:11,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2022-01-10 06:36:11,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:11,261 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:36:11,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:36:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:36:11,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:36:11,263 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:36:11,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:11,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:36:13,785 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 293 300) the Hoare annotation is: true [2022-01-10 06:36:13,785 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 293 300) no Hoare annotation was computed. [2022-01-10 06:36:13,785 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 293 300) no Hoare annotation was computed. [2022-01-10 06:36:13,785 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 200 206) no Hoare annotation was computed. [2022-01-10 06:36:13,786 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 200 206) the Hoare annotation is: true [2022-01-10 06:36:13,786 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: true [2022-01-10 06:36:13,786 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-01-10 06:36:13,786 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-01-10 06:36:13,786 INFO L861 garLoopResultBuilder]: At program point L962-2(lines 962 976) the Hoare annotation is: true [2022-01-10 06:36:13,786 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 952 981) no Hoare annotation was computed. [2022-01-10 06:36:13,786 INFO L861 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: true [2022-01-10 06:36:13,786 INFO L858 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2022-01-10 06:36:13,786 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 952 981) the Hoare annotation is: true [2022-01-10 06:36:13,786 INFO L861 garLoopResultBuilder]: At program point L977(lines 952 981) the Hoare annotation is: true [2022-01-10 06:36:13,787 INFO L858 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2022-01-10 06:36:13,787 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 970) no Hoare annotation was computed. [2022-01-10 06:36:13,787 INFO L861 garLoopResultBuilder]: At program point L966-1(lines 966 970) the Hoare annotation is: true [2022-01-10 06:36:13,787 INFO L858 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2022-01-10 06:36:13,787 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-01-10 06:36:13,787 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2022-01-10 06:36:13,787 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2022-01-10 06:36:13,788 INFO L854 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse8)) (.cse6 (and .cse8 .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse7) (or .cse5 .cse1 .cse7) (or .cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse3) .cse0 .cse6)))) [2022-01-10 06:36:13,788 INFO L854 garLoopResultBuilder]: At program point L279-1(lines 260 284) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (and .cse8 .cse4)) (.cse0 (not .cse8)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 (and (= ~waterLevel~0 (_ bv1 32)) .cse3) .cse0) (or .cse1 .cse2 .cse7) (or .cse5 .cse1 .cse7) (or .cse5 .cse6 .cse0 .cse1)))) [2022-01-10 06:36:13,788 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 186) no Hoare annotation was computed. [2022-01-10 06:36:13,788 INFO L854 garLoopResultBuilder]: At program point L308(lines 301 311) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2022-01-10 06:36:13,788 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 06:36:13,788 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 176 198) no Hoare annotation was computed. [2022-01-10 06:36:13,788 INFO L854 garLoopResultBuilder]: At program point L552(lines 545 554) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (and .cse6 .cse7)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse7)))) [2022-01-10 06:36:13,788 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 173 199) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L854 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse2) (or .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse6 .cse5) (or .cse0 .cse2 .cse3) (or .cse0 .cse3 .cse6)))) [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L854 garLoopResultBuilder]: At program point L532(lines 527 534) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse0) (or .cse4 .cse1 .cse3))) [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 276) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 281) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L854 garLoopResultBuilder]: At program point L550(line 550) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (and .cse6 .cse7)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse7)))) [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse6 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (and .cse7 .cse8)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse9 (and .cse6 .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 (and .cse6 .cse7 .cse8) .cse1 .cse4) (or .cse5 .cse0 .cse9 .cse1) (or .cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse7) .cse0 .cse9)))) [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 187 193) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 577) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 580) no Hoare annotation was computed. [2022-01-10 06:36:13,789 INFO L854 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L563-1(lines 555 583) the Hoare annotation is: (let ((.cse9 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse10 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse2)) (.cse8 (and .cse9 .cse2 .cse10 .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse1 .cse5 .cse6 (and .cse3 .cse4)) (or .cse7 .cse0 .cse1 .cse8) (or .cse7 .cse1 (and .cse9 .cse10 .cse3 .cse4) .cse6) (or .cse7 .cse0 .cse8 (and .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))))) [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 173 199) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (and .cse6 .cse7)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse7)))) [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2022-01-10 06:36:13,790 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 173 199) no Hoare annotation was computed. [2022-01-10 06:36:13,790 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (= ~waterLevel~0 (_ bv1 32))) (or .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse4))) [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L415(lines 410 417) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L477(lines 430 479) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:36:13,790 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-01-10 06:36:13,790 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L407(lines 395 409) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:36:13,790 INFO L861 garLoopResultBuilder]: At program point L1043(lines 1024 1046) the Hoare annotation is: true [2022-01-10 06:36:13,790 INFO L854 garLoopResultBuilder]: At program point L1010(lines 1006 1012) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:13,790 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point L399-1(lines 399 405) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L854 garLoopResultBuilder]: At program point L507(lines 503 509) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:13,791 INFO L861 garLoopResultBuilder]: At program point L483(lines 420 487) the Hoare annotation is: true [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:36:13,791 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:36:13,791 INFO L854 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2022-01-10 06:36:13,791 INFO L854 garLoopResultBuilder]: At program point L480(lines 429 481) the Hoare annotation is: false [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point L542(lines 537 544) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:13,792 INFO L861 garLoopResultBuilder]: At program point L1021(lines 1013 1023) the Hoare annotation is: true [2022-01-10 06:36:13,792 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 474) no Hoare annotation was computed. [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point L468-2(lines 460 475) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:36:13,792 INFO L858 garLoopResultBuilder]: For program point L431(lines 430 479) no Hoare annotation was computed. [2022-01-10 06:36:13,792 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 475) no Hoare annotation was computed. [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point L522(lines 517 525) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:13,792 INFO L858 garLoopResultBuilder]: For program point L1034(lines 1034 1041) no Hoare annotation was computed. [2022-01-10 06:36:13,792 INFO L858 garLoopResultBuilder]: For program point L1034-2(lines 1034 1041) no Hoare annotation was computed. [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point L514(lines 510 516) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 208 232) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:36:13,792 INFO L854 garLoopResultBuilder]: At program point L372(lines 357 375) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse2) (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:13,792 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point L366-2(lines 366 370) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L854 garLoopResultBuilder]: At program point L290(lines 285 292) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:36:13,793 INFO L854 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| (_ bv1 32)) .cse2 .cse3)) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (and .cse2 .cse3)))) [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 208 232) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 229) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse2)) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:36:13,793 INFO L854 garLoopResultBuilder]: At program point L227(line 227) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point L227-1(lines 208 232) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-01-10 06:36:13,793 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse5 .cse0 .cse4 .cse3) (or .cse5 .cse1 .cse3))) [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 234 258) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and (= (_ bv1 32) |processEnvironment__wrappee__lowWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| (_ bv0 32))) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:36:13,794 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 250) no Hoare annotation was computed. [2022-01-10 06:36:13,794 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 255) no Hoare annotation was computed. [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point L391(lines 376 394) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| (_ bv0 32)))) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:36:13,794 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2022-01-10 06:36:13,794 INFO L858 garLoopResultBuilder]: For program point L385-2(lines 385 389) no Hoare annotation was computed. [2022-01-10 06:36:13,794 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 234 258) no Hoare annotation was computed. [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2022-01-10 06:36:13,794 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| (_ bv0 32))) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:36:13,795 INFO L858 garLoopResultBuilder]: For program point L253-1(lines 234 258) no Hoare annotation was computed. [2022-01-10 06:36:13,795 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 312 320) no Hoare annotation was computed. [2022-01-10 06:36:13,795 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 312 320) the Hoare annotation is: true [2022-01-10 06:36:13,795 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 312 320) no Hoare annotation was computed. [2022-01-10 06:36:13,797 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:13,798 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:36:13,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:36:13 BoogieIcfgContainer [2022-01-10 06:36:13,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:36:13,835 INFO L158 Benchmark]: Toolchain (without parser) took 11499.94ms. Allocated memory was 181.4MB in the beginning and 257.9MB in the end (delta: 76.5MB). Free memory was 129.9MB in the beginning and 99.4MB in the end (delta: 30.6MB). Peak memory consumption was 119.6MB. Max. memory is 8.0GB. [2022-01-10 06:36:13,835 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:36:13,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.43ms. Allocated memory is still 181.4MB. Free memory was 129.7MB in the beginning and 139.6MB in the end (delta: -9.9MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-01-10 06:36:13,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.42ms. Allocated memory is still 181.4MB. Free memory was 139.6MB in the beginning and 137.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:36:13,836 INFO L158 Benchmark]: Boogie Preprocessor took 38.90ms. Allocated memory is still 181.4MB. Free memory was 137.0MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:36:13,836 INFO L158 Benchmark]: RCFGBuilder took 506.50ms. Allocated memory is still 181.4MB. Free memory was 134.8MB in the beginning and 117.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:36:13,836 INFO L158 Benchmark]: TraceAbstraction took 10299.87ms. Allocated memory was 181.4MB in the beginning and 257.9MB in the end (delta: 76.5MB). Free memory was 116.5MB in the beginning and 99.4MB in the end (delta: 17.1MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. [2022-01-10 06:36:13,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 579.43ms. Allocated memory is still 181.4MB. Free memory was 129.7MB in the beginning and 139.6MB in the end (delta: -9.9MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.42ms. Allocated memory is still 181.4MB. Free memory was 139.6MB in the beginning and 137.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.90ms. Allocated memory is still 181.4MB. Free memory was 137.0MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 506.50ms. Allocated memory is still 181.4MB. Free memory was 134.8MB in the beginning and 117.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10299.87ms. Allocated memory was 181.4MB in the beginning and 257.9MB in the end (delta: 76.5MB). Free memory was 116.5MB in the beginning and 99.4MB in the end (delta: 17.1MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. * 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: 531]: 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 10 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1430 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1392 mSDsluCounter, 4576 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2956 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1497 IncrementalHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 1620 mSDtfsCounter, 1497 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 815 GetRequests, 754 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=943occurred in iteration=10, InterpolantAutomatonStates: 63, 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, 11 MinimizatonAttempts, 131 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 2317 PreInvPairs, 2402 NumberOfFragments, 1959 HoareAnnotationTreeSize, 2317 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1584 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 689 NumberOfCodeBlocks, 689 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 788 ConstructedInterpolants, 0 QuantifiedInterpolants, 1725 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2255 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 149/166 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || ((\result == 2bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (\result == 2bv32 && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32)) || (\result == 2bv32 && waterLevel == \old(waterLevel))) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) || ((systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 1bv32)) || (((tmp___0 == 1bv32 && \result == 0bv32) && \result == 1bv32) && tmp == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && (!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32)) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 && ~bvadd16(waterLevel, 4294967295bv32) == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((systemActive == 0bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1024]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1006]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32)) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning)) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == \old(waterLevel)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32)) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 1bv32)) || \result == 0bv32) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((systemActive == 0bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && systemActive == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((((\result == 1bv32 && tmp == 1bv32) && 0bv32 == tmp___0) && \result == 0bv32) && 0bv32 == pumpRunning)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:36:13,891 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...