/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_spec2_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:14,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:14,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:14,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:14,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:14,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:14,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:14,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:14,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:14,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:14,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:14,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:14,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:14,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:14,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:14,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:14,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:14,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:14,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:14,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:14,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:14,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:14,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:14,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:15,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:33:15,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:15,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:15,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:15,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:15,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:15,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:15,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:15,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:15,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:15,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:15,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:15,012 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 06:33:15,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:15,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:15,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:15,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:15,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:15,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:15,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:15,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:15,036 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:15,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:15,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:15,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:15,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:15,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:15,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:15,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:15,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:15,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:15,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:15,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:15,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:15,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:15,261 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:15,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2022-01-10 06:33:15,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa9df961/1036478c722d44388a4c874ba94d6b59/FLAGb1a50e805 [2022-01-10 06:33:15,689 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:15,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2022-01-10 06:33:15,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa9df961/1036478c722d44388a4c874ba94d6b59/FLAGb1a50e805 [2022-01-10 06:33:16,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aa9df961/1036478c722d44388a4c874ba94d6b59 [2022-01-10 06:33:16,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:16,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:16,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:16,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:16,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:16,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655201e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16, skipping insertion in model container [2022-01-10 06:33:16,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:16,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:16,342 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_spec2_product52.cil.c[19177,19190] [2022-01-10 06:33:16,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:16,374 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:16,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:16,445 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_spec2_product52.cil.c[19177,19190] [2022-01-10 06:33:16,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:16,457 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:16,522 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_spec2_product52.cil.c[19177,19190] [2022-01-10 06:33:16,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:16,548 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:16,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16 WrapperNode [2022-01-10 06:33:16,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:16,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:16,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:16,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:16,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,599 INFO L137 Inliner]: procedures = 60, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 254 [2022-01-10 06:33:16,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:16,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:16,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:16,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:16,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:16,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:16,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:16,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:16,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (1/1) ... [2022-01-10 06:33:16,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:16,665 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 06:33:16,669 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 06:33:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:33:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:33:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:16,742 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:16,746 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:17,009 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:17,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:17,016 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:17,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:17 BoogieIcfgContainer [2022-01-10 06:33:17,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:17,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:17,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:17,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:17,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:16" (1/3) ... [2022-01-10 06:33:17,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3799292b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:17, skipping insertion in model container [2022-01-10 06:33:17,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:16" (2/3) ... [2022-01-10 06:33:17,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3799292b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:17, skipping insertion in model container [2022-01-10 06:33:17,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:17" (3/3) ... [2022-01-10 06:33:17,027 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2022-01-10 06:33:17,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:17,032 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:17,073 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:17,078 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 06:33:17,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:17,100 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,101 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,101 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:17,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:17,106 INFO L85 PathProgramCache]: Analyzing trace with hash -656399671, now seen corresponding path program 1 times [2022-01-10 06:33:17,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:17,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777641849] [2022-01-10 06:33:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:17,118 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:17,120 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 06:33:17,121 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 06:33:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:17,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:17,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:17,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,282 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777641849] [2022-01-10 06:33:17,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777641849] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:17,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290555302] [2022-01-10 06:33:17,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:17,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:17,311 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:17,351 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2022-01-10 06:33:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:17,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:17,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:17,359 INFO L225 Difference]: With dead ends: 183 [2022-01-10 06:33:17,359 INFO L226 Difference]: Without dead ends: 87 [2022-01-10 06:33:17,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 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 06:33:17,365 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:17,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-01-10 06:33:17,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-01-10 06:33:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:33:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-01-10 06:33:17,406 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2022-01-10 06:33:17,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:17,406 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-01-10 06:33:17,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-01-10 06:33:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:17,409 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:33:17,616 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 06:33:17,617 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:17,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:17,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1991216904, now seen corresponding path program 1 times [2022-01-10 06:33:17,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:17,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541195478] [2022-01-10 06:33:17,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:17,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:17,640 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 06:33:17,686 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 06:33:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:17,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:17,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:17,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,843 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541195478] [2022-01-10 06:33:17,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541195478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:17,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744884197] [2022-01-10 06:33:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:17,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:17,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:17,855 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:17,877 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-01-10 06:33:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:17,881 INFO L225 Difference]: With dead ends: 134 [2022-01-10 06:33:17,881 INFO L226 Difference]: Without dead ends: 78 [2022-01-10 06:33:17,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 06:33:17,884 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 17 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 176 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 06:33:17,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:17,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-01-10 06:33:17,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-01-10 06:33:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:33:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-01-10 06:33:17,897 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2022-01-10 06:33:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:17,897 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-01-10 06:33:17,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-01-10 06:33:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:33:17,902 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,923 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 06:33:18,108 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 06:33:18,109 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1985117727, now seen corresponding path program 1 times [2022-01-10 06:33:18,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377647366] [2022-01-10 06:33:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,126 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 06:33:18,162 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 06:33:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:18,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:18,298 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:18,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377647366] [2022-01-10 06:33:18,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377647366] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:18,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:18,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:18,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467494808] [2022-01-10 06:33:18,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:18,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:18,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:18,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:18,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,300 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:18,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:18,334 INFO L93 Difference]: Finished difference Result 216 states and 283 transitions. [2022-01-10 06:33:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:18,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-01-10 06:33:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:18,336 INFO L225 Difference]: With dead ends: 216 [2022-01-10 06:33:18,336 INFO L226 Difference]: Without dead ends: 146 [2022-01-10 06:33:18,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 06:33:18,337 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 92 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 211 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 06:33:18,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 211 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:18,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-01-10 06:33:18,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2022-01-10 06:33:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 108 states have (on average 1.3611111111111112) internal successors, (147), 123 states have internal predecessors, (147), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 13 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-10 06:33:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-01-10 06:33:18,353 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 31 [2022-01-10 06:33:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:18,353 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-01-10 06:33:18,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-01-10 06:33:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 06:33:18,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:18,354 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:18,375 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 06:33:18,561 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 06:33:18,561 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1980394589, now seen corresponding path program 1 times [2022-01-10 06:33:18,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762887063] [2022-01-10 06:33:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,564 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 06:33:18,608 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 06:33:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:18,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:18,759 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:18,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762887063] [2022-01-10 06:33:18,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762887063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:18,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:18,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:18,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926001921] [2022-01-10 06:33:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:18,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:18,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:18,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:18,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:18,760 INFO L87 Difference]: Start difference. First operand 143 states and 187 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:18,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:18,843 INFO L93 Difference]: Finished difference Result 411 states and 546 transitions. [2022-01-10 06:33:18,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:18,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-01-10 06:33:18,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:18,850 INFO L225 Difference]: With dead ends: 411 [2022-01-10 06:33:18,850 INFO L226 Difference]: Without dead ends: 276 [2022-01-10 06:33:18,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 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 06:33:18,852 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 68 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:18,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 492 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:18,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-01-10 06:33:18,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2022-01-10 06:33:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 201 states have (on average 1.3482587064676617) internal successors, (271), 230 states have internal predecessors, (271), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 26 states have call predecessors, (42), 40 states have call successors, (42) [2022-01-10 06:33:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 353 transitions. [2022-01-10 06:33:18,875 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 353 transitions. Word has length 34 [2022-01-10 06:33:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:18,875 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 353 transitions. [2022-01-10 06:33:18,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 353 transitions. [2022-01-10 06:33:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:33:18,879 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:18,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:18,890 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 06:33:19,079 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 06:33:19,080 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:19,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:19,080 INFO L85 PathProgramCache]: Analyzing trace with hash -973115463, now seen corresponding path program 1 times [2022-01-10 06:33:19,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:19,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380279608] [2022-01-10 06:33:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:19,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:19,082 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 06:33:19,083 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 06:33:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:19,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:33:19,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:19,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:19,191 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:19,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380279608] [2022-01-10 06:33:19,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380279608] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:19,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:19,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:19,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143764095] [2022-01-10 06:33:19,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:19,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:19,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:19,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:19,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:19,192 INFO L87 Difference]: Start difference. First operand 270 states and 353 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 06:33:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:19,251 INFO L93 Difference]: Finished difference Result 706 states and 942 transitions. [2022-01-10 06:33:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:19,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 06:33:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:19,254 INFO L225 Difference]: With dead ends: 706 [2022-01-10 06:33:19,254 INFO L226 Difference]: Without dead ends: 444 [2022-01-10 06:33:19,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 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 06:33:19,256 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 71 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:19,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 388 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:19,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-01-10 06:33:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2022-01-10 06:33:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 321 states have (on average 1.2990654205607477) internal successors, (417), 350 states have internal predecessors, (417), 56 states have call successors, (56), 52 states have call predecessors, (56), 52 states have return successors, (76), 50 states have call predecessors, (76), 56 states have call successors, (76) [2022-01-10 06:33:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 549 transitions. [2022-01-10 06:33:19,281 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 549 transitions. Word has length 38 [2022-01-10 06:33:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:19,281 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 549 transitions. [2022-01-10 06:33:19,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 06:33:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 549 transitions. [2022-01-10 06:33:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:19,282 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:19,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,291 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 06:33:19,489 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 06:33:19,490 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:19,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1523834569, now seen corresponding path program 1 times [2022-01-10 06:33:19,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:19,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268222345] [2022-01-10 06:33:19,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:19,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:19,496 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 06:33:19,497 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 06:33:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:19,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:19,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:19,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:19,638 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:19,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268222345] [2022-01-10 06:33:19,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268222345] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:19,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:19,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:19,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135250239] [2022-01-10 06:33:19,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:19,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:19,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:19,640 INFO L87 Difference]: Start difference. First operand 430 states and 549 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:19,696 INFO L93 Difference]: Finished difference Result 876 states and 1142 transitions. [2022-01-10 06:33:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:19,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:19,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:19,700 INFO L225 Difference]: With dead ends: 876 [2022-01-10 06:33:19,701 INFO L226 Difference]: Without dead ends: 454 [2022-01-10 06:33:19,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 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 06:33:19,706 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 10 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 396 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 06:33:19,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 396 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:19,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-01-10 06:33:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 442. [2022-01-10 06:33:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 333 states have (on average 1.2882882882882882) internal successors, (429), 362 states have internal predecessors, (429), 56 states have call successors, (56), 52 states have call predecessors, (56), 52 states have return successors, (76), 50 states have call predecessors, (76), 56 states have call successors, (76) [2022-01-10 06:33:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 561 transitions. [2022-01-10 06:33:19,744 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 561 transitions. Word has length 49 [2022-01-10 06:33:19,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:19,746 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 561 transitions. [2022-01-10 06:33:19,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 561 transitions. [2022-01-10 06:33:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:19,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:19,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,772 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 06:33:19,958 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 06:33:19,958 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash -165109173, now seen corresponding path program 1 times [2022-01-10 06:33:19,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:19,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531304374] [2022-01-10 06:33:19,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:19,962 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:19,964 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 06:33:19,965 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 06:33:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:20,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:20,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:20,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:20,106 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:20,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531304374] [2022-01-10 06:33:20,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531304374] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:20,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:20,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:20,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601074370] [2022-01-10 06:33:20,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:20,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:20,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:20,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:20,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:20,110 INFO L87 Difference]: Start difference. First operand 442 states and 561 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:20,147 INFO L93 Difference]: Finished difference Result 908 states and 1190 transitions. [2022-01-10 06:33:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:20,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:20,151 INFO L225 Difference]: With dead ends: 908 [2022-01-10 06:33:20,151 INFO L226 Difference]: Without dead ends: 474 [2022-01-10 06:33:20,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 06:33:20,153 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 11 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 298 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 06:33:20,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 298 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-01-10 06:33:20,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 450. [2022-01-10 06:33:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 341 states have (on average 1.281524926686217) internal successors, (437), 370 states have internal predecessors, (437), 56 states have call successors, (56), 52 states have call predecessors, (56), 52 states have return successors, (76), 50 states have call predecessors, (76), 56 states have call successors, (76) [2022-01-10 06:33:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 569 transitions. [2022-01-10 06:33:20,194 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 569 transitions. Word has length 49 [2022-01-10 06:33:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:20,195 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 569 transitions. [2022-01-10 06:33:20,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 569 transitions. [2022-01-10 06:33:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-10 06:33:20,196 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:20,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:20,203 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 06:33:20,403 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 06:33:20,403 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash 257592653, now seen corresponding path program 1 times [2022-01-10 06:33:20,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:20,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955763577] [2022-01-10 06:33:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:20,405 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:20,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:20,406 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 06:33:20,407 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 06:33:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:20,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:20,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:20,577 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:20,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955763577] [2022-01-10 06:33:20,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955763577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:20,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:20,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:20,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268274430] [2022-01-10 06:33:20,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:20,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:20,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:20,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:20,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:20,580 INFO L87 Difference]: Start difference. First operand 450 states and 569 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:20,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:20,606 INFO L93 Difference]: Finished difference Result 1080 states and 1374 transitions. [2022-01-10 06:33:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:20,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-01-10 06:33:20,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:20,608 INFO L225 Difference]: With dead ends: 1080 [2022-01-10 06:33:20,608 INFO L226 Difference]: Without dead ends: 638 [2022-01-10 06:33:20,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 06:33:20,609 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 36 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:20,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 190 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2022-01-10 06:33:20,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2022-01-10 06:33:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 485 states have (on average 1.243298969072165) internal successors, (603), 518 states have internal predecessors, (603), 80 states have call successors, (80), 76 states have call predecessors, (80), 72 states have return successors, (102), 70 states have call predecessors, (102), 80 states have call successors, (102) [2022-01-10 06:33:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 785 transitions. [2022-01-10 06:33:20,631 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 785 transitions. Word has length 49 [2022-01-10 06:33:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:20,631 INFO L470 AbstractCegarLoop]: Abstraction has 638 states and 785 transitions. [2022-01-10 06:33:20,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:33:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 785 transitions. [2022-01-10 06:33:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-10 06:33:20,632 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:20,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:20,641 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 06:33:20,839 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 06:33:20,839 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:20,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:20,840 INFO L85 PathProgramCache]: Analyzing trace with hash -715401485, now seen corresponding path program 1 times [2022-01-10 06:33:20,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:20,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053340329] [2022-01-10 06:33:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:20,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:20,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:20,841 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 06:33:20,843 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 06:33:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:20,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:20,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:21,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:21,003 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:21,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053340329] [2022-01-10 06:33:21,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053340329] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:21,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:21,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:21,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145017790] [2022-01-10 06:33:21,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:21,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:21,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:21,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,005 INFO L87 Difference]: Start difference. First operand 638 states and 785 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-10 06:33:21,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:21,038 INFO L93 Difference]: Finished difference Result 962 states and 1205 transitions. [2022-01-10 06:33:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:21,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2022-01-10 06:33:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:21,044 INFO L225 Difference]: With dead ends: 962 [2022-01-10 06:33:21,044 INFO L226 Difference]: Without dead ends: 960 [2022-01-10 06:33:21,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 06:33:21,046 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 50 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:21,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 198 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-01-10 06:33:21,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 803. [2022-01-10 06:33:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 609 states have (on average 1.2561576354679802) internal successors, (765), 656 states have internal predecessors, (765), 101 states have call successors, (101), 95 states have call predecessors, (101), 92 states have return successors, (139), 85 states have call predecessors, (139), 101 states have call successors, (139) [2022-01-10 06:33:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1005 transitions. [2022-01-10 06:33:21,088 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1005 transitions. Word has length 53 [2022-01-10 06:33:21,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:21,089 INFO L470 AbstractCegarLoop]: Abstraction has 803 states and 1005 transitions. [2022-01-10 06:33:21,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-10 06:33:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1005 transitions. [2022-01-10 06:33:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-01-10 06:33:21,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:21,092 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:21,099 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 06:33:21,299 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 06:33:21,299 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash 115410428, now seen corresponding path program 1 times [2022-01-10 06:33:21,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:21,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253036532] [2022-01-10 06:33:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:21,301 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:21,302 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 06:33:21,321 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 06:33:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:21,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:21,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:21,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:21,494 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:21,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253036532] [2022-01-10 06:33:21,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253036532] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:21,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:21,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:21,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959627780] [2022-01-10 06:33:21,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:21,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:21,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:21,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:21,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,495 INFO L87 Difference]: Start difference. First operand 803 states and 1005 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:21,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:21,531 INFO L93 Difference]: Finished difference Result 1727 states and 2182 transitions. [2022-01-10 06:33:21,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:21,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 83 [2022-01-10 06:33:21,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:21,534 INFO L225 Difference]: With dead ends: 1727 [2022-01-10 06:33:21,535 INFO L226 Difference]: Without dead ends: 932 [2022-01-10 06:33:21,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 06:33:21,536 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 54 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:21,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 156 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:21,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-01-10 06:33:21,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 924. [2022-01-10 06:33:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 700 states have (on average 1.25) internal successors, (875), 753 states have internal predecessors, (875), 117 states have call successors, (117), 111 states have call predecessors, (117), 106 states have return successors, (165), 99 states have call predecessors, (165), 117 states have call successors, (165) [2022-01-10 06:33:21,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1157 transitions. [2022-01-10 06:33:21,564 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1157 transitions. Word has length 83 [2022-01-10 06:33:21,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:21,565 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1157 transitions. [2022-01-10 06:33:21,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1157 transitions. [2022-01-10 06:33:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-10 06:33:21,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:21,567 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:21,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-01-10 06:33:21,774 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 06:33:21,774 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1895528892, now seen corresponding path program 1 times [2022-01-10 06:33:21,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:21,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833416384] [2022-01-10 06:33:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:21,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:21,788 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 06:33:21,789 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 06:33:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:21,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:21,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:21,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:21,963 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:21,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833416384] [2022-01-10 06:33:21,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833416384] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:21,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:21,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:21,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218894504] [2022-01-10 06:33:21,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:21,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:21,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:21,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:21,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:21,965 INFO L87 Difference]: Start difference. First operand 924 states and 1157 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:33:22,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:22,022 INFO L93 Difference]: Finished difference Result 1571 states and 2012 transitions. [2022-01-10 06:33:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:22,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 92 [2022-01-10 06:33:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:22,032 INFO L225 Difference]: With dead ends: 1571 [2022-01-10 06:33:22,032 INFO L226 Difference]: Without dead ends: 901 [2022-01-10 06:33:22,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 06:33:22,034 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 42 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:22,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 208 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:22,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2022-01-10 06:33:22,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 901. [2022-01-10 06:33:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 681 states have (on average 1.2173274596182084) internal successors, (829), 731 states have internal predecessors, (829), 115 states have call successors, (115), 109 states have call predecessors, (115), 104 states have return successors, (156), 98 states have call predecessors, (156), 115 states have call successors, (156) [2022-01-10 06:33:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1100 transitions. [2022-01-10 06:33:22,104 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1100 transitions. Word has length 92 [2022-01-10 06:33:22,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:22,104 INFO L470 AbstractCegarLoop]: Abstraction has 901 states and 1100 transitions. [2022-01-10 06:33:22,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:33:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1100 transitions. [2022-01-10 06:33:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:33:22,107 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:22,107 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:22,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-01-10 06:33:22,314 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 06:33:22,314 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:22,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1739782447, now seen corresponding path program 1 times [2022-01-10 06:33:22,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:22,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566299427] [2022-01-10 06:33:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:22,315 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:22,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:22,316 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:22,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:33:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:22,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:22,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:22,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:22,529 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:22,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566299427] [2022-01-10 06:33:22,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566299427] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:22,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:22,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:22,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080814840] [2022-01-10 06:33:22,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:22,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:22,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:22,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:22,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:22,530 INFO L87 Difference]: Start difference. First operand 901 states and 1100 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 06:33:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:22,577 INFO L93 Difference]: Finished difference Result 1608 states and 1993 transitions. [2022-01-10 06:33:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:33:22,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2022-01-10 06:33:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:22,581 INFO L225 Difference]: With dead ends: 1608 [2022-01-10 06:33:22,581 INFO L226 Difference]: Without dead ends: 961 [2022-01-10 06:33:22,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 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 06:33:22,583 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 33 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:22,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 404 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:22,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2022-01-10 06:33:22,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2022-01-10 06:33:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 727 states have (on average 1.2063273727647867) internal successors, (877), 783 states have internal predecessors, (877), 125 states have call successors, (125), 109 states have call predecessors, (125), 108 states have return successors, (172), 106 states have call predecessors, (172), 125 states have call successors, (172) [2022-01-10 06:33:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1174 transitions. [2022-01-10 06:33:22,615 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1174 transitions. Word has length 95 [2022-01-10 06:33:22,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:22,615 INFO L470 AbstractCegarLoop]: Abstraction has 961 states and 1174 transitions. [2022-01-10 06:33:22,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 06:33:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1174 transitions. [2022-01-10 06:33:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:33:22,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:22,618 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:22,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:22,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:22,825 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:22,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1873795953, now seen corresponding path program 1 times [2022-01-10 06:33:22,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:22,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801944636] [2022-01-10 06:33:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:22,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:22,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:22,827 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:22,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:33:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:22,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:33:22,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:33:23,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:33:23,501 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:23,502 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:23,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801944636] [2022-01-10 06:33:23,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801944636] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:33:23,502 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:33:23,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:33:23,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378449977] [2022-01-10 06:33:23,502 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:33:23,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:33:23,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:23,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:33:23,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:33:23,503 INFO L87 Difference]: Start difference. First operand 961 states and 1174 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:33:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:23,855 INFO L93 Difference]: Finished difference Result 1861 states and 2324 transitions. [2022-01-10 06:33:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:33:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) Word has length 95 [2022-01-10 06:33:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:23,859 INFO L225 Difference]: With dead ends: 1861 [2022-01-10 06:33:23,859 INFO L226 Difference]: Without dead ends: 1154 [2022-01-10 06:33:23,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 177 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2022-01-10 06:33:23,862 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 428 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:23,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 542 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:33:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2022-01-10 06:33:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1096. [2022-01-10 06:33:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 837 states have (on average 1.1720430107526882) internal successors, (981), 889 states have internal predecessors, (981), 125 states have call successors, (125), 121 states have call predecessors, (125), 133 states have return successors, (161), 124 states have call predecessors, (161), 125 states have call successors, (161) [2022-01-10 06:33:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1267 transitions. [2022-01-10 06:33:23,903 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1267 transitions. Word has length 95 [2022-01-10 06:33:23,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:23,903 INFO L470 AbstractCegarLoop]: Abstraction has 1096 states and 1267 transitions. [2022-01-10 06:33:23,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:33:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1267 transitions. [2022-01-10 06:33:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-10 06:33:23,905 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:23,905 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:23,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:24,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:24,114 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:24,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:24,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1059470649, now seen corresponding path program 1 times [2022-01-10 06:33:24,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:24,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416495725] [2022-01-10 06:33:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:24,115 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:24,116 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:24,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:33:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:24,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:24,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 06:33:24,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:24,315 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:24,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416495725] [2022-01-10 06:33:24,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416495725] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:24,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:24,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:24,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525246993] [2022-01-10 06:33:24,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:24,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:24,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:24,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:24,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:24,316 INFO L87 Difference]: Start difference. First operand 1096 states and 1267 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 06:33:24,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:24,374 INFO L93 Difference]: Finished difference Result 1747 states and 2028 transitions. [2022-01-10 06:33:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:24,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 99 [2022-01-10 06:33:24,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:24,375 INFO L225 Difference]: With dead ends: 1747 [2022-01-10 06:33:24,376 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:33:24,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 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 06:33:24,378 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 37 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 200 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 06:33:24,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 200 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:24,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:33:24,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:33:24,378 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 06:33:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:33:24,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2022-01-10 06:33:24,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:24,379 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:33:24,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 06:33:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:33:24,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:33:24,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:24,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:24,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:24,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:33:28,547 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 229 236) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv1 32))) .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (= ~systemActive~0 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2022-01-10 06:33:28,548 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2022-01-10 06:33:28,548 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2022-01-10 06:33:28,548 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2022-01-10 06:33:28,548 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2022-01-10 06:33:28,548 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 558 569) no Hoare annotation was computed. [2022-01-10 06:33:28,548 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 558 569) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse2 .cse7 .cse3 .cse5) (or .cse1 .cse2 .cse7 .cse3 .cse5 (not (= (_ bv1 32) ~pumpRunning~0))) (or .cse0 .cse2 .cse7 .cse3 .cse6 .cse5))) [2022-01-10 06:33:28,548 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2022-01-10 06:33:28,548 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 570 578) the Hoare annotation is: true [2022-01-10 06:33:28,548 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 570 578) no Hoare annotation was computed. [2022-01-10 06:33:28,549 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2022-01-10 06:33:28,549 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2022-01-10 06:33:28,549 INFO L861 garLoopResultBuilder]: At program point L381(lines 356 385) the Hoare annotation is: true [2022-01-10 06:33:28,549 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 356 385) the Hoare annotation is: true [2022-01-10 06:33:28,549 INFO L858 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2022-01-10 06:33:28,549 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2022-01-10 06:33:28,549 INFO L861 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2022-01-10 06:33:28,549 INFO L858 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2022-01-10 06:33:28,549 INFO L861 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2022-01-10 06:33:28,549 INFO L861 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2022-01-10 06:33:28,549 INFO L858 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2022-01-10 06:33:28,562 INFO L854 garLoopResultBuilder]: At program point L630(lines 625 633) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2022-01-10 06:33:28,562 INFO L854 garLoopResultBuilder]: At program point L1006(lines 1001 1008) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2022-01-10 06:33:28,562 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2022-01-10 06:33:28,562 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2022-01-10 06:33:28,562 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2022-01-10 06:33:28,562 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-01-10 06:33:28,562 INFO L858 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2022-01-10 06:33:28,562 INFO L854 garLoopResultBuilder]: At program point L474-1(lines 466 494) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse14 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (and .cse9 .cse14 .cse10 .cse11)) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse1 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| (_ bv0 32))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not .cse14)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse13 (and .cse9 .cse10 .cse11)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse12 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse6 .cse7 .cse3) (or .cse2 .cse8 .cse5 .cse6 .cse7) (or .cse5 (and .cse1 .cse9 .cse10 .cse11) .cse6 .cse3 .cse12) (or .cse0 .cse2 .cse8 .cse5 (and (= (_ bv1 32) ~pumpRunning~0) .cse11) .cse7) (or .cse13 .cse5 .cse6 .cse7 .cse12) (or .cse0 .cse1 .cse5 .cse3 .cse12) (or .cse0 .cse2 .cse5 .cse7 (and .cse1 .cse9) .cse3) (or .cse0 (and .cse9 (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) .cse14 (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) .cse2 .cse4) (or .cse0 .cse13 .cse5 .cse12)))) [2022-01-10 06:33:28,562 INFO L854 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2022-01-10 06:33:28,563 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse2) (or .cse5 .cse6 .cse0 .cse1 .cse2) (or .cse4 .cse0 .cse3))) [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L215-1(lines 196 220) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (not .cse9)) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (and .cse9 .cse10 .cse7)) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse0 (and (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse7) .cse8 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse3) (or .cse6 .cse4 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) .cse9 (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse6 .cse0 .cse3) (or .cse4 .cse0 .cse8 .cse1 .cse2)))) [2022-01-10 06:33:28,563 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L327(lines 312 330) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse0 (not (= |old(~pumpRunning~0)| (_ bv1 32))) (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))) (or .cse1 .cse2 .cse3 .cse5) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L253(lines 248 256) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0)) (.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and .cse11 .cse13 .cse14)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse7 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse10 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (and .cse11 .cse12 .cse13 .cse14)) (.cse0 (not .cse12)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse6) (or .cse7 .cse0 .cse8 .cse9) (or .cse7 .cse5 .cse1 .cse6) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or .cse0 .cse10 .cse1 .cse2 .cse3) (or .cse10 .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse2 .cse8 .cse6) (or .cse7 .cse1 .cse8 .cse6) (or .cse7 .cse0 (and .cse11 (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) .cse12 (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse13 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) .cse9) (or .cse7 .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse10 .cse14) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse8)))) [2022-01-10 06:33:28,563 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L538-2(lines 534 545) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or .cse4 .cse1 .cse5))) [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (and .cse10 .cse8)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not .cse11)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (and .cse11 .cse10 .cse8)) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse4 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse8) .cse9 .cse7) (or (and .cse5 .cse10 .cse8) .cse1 .cse6 .cse7 .cse2) (or .cse1 .cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2 .cse3) (or .cse0 .cse4 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) .cse11 (= |timeShift_isLowWaterLevel_~tmp~4#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse4 .cse1 .cse9 .cse6 .cse7)))) [2022-01-10 06:33:28,563 INFO L858 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2022-01-10 06:33:28,563 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 138 161) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (and .cse10 .cse8)) (.cse7 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (and .cse9 .cse10 .cse8)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse0 .cse7 (and (= (_ bv1 32) ~pumpRunning~0) .cse8) (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (or .cse0 .cse9 .cse1 .cse6 .cse2) (or .cse0 .cse7 .cse4 .cse1 .cse6) (or .cse1 .cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2 .cse3) (or .cse7 .cse4 .cse1 .cse5 .cse6)))) [2022-01-10 06:33:28,563 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L854 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L854 garLoopResultBuilder]: At program point L511(lines 507 513) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L861 garLoopResultBuilder]: At program point L119(lines 56 123) the Hoare annotation is: true [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L854 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse3))) [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L854 garLoopResultBuilder]: At program point L351(lines 346 353) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 .cse3))) [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L858 garLoopResultBuilder]: For program point L442-2(lines 442 449) no Hoare annotation was computed. [2022-01-10 06:33:28,564 INFO L854 garLoopResultBuilder]: At program point L343(lines 331 345) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse2 .cse3))) [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L861 garLoopResultBuilder]: At program point L426(lines 418 428) the Hoare annotation is: true [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~systemActive~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse2 .cse3) (and .cse6 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L861 garLoopResultBuilder]: At program point L451(lines 432 454) the Hoare annotation is: true [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L414(lines 410 416) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse3))) [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse3))) [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L526(lines 521 529) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point L518(lines 514 520) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:28,565 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2022-01-10 06:33:28,565 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 170 194) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse4))) [2022-01-10 06:33:28,566 INFO L854 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (and .cse9 .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not .cse8)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse7 (and .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7) (or .cse0 .cse3 .cse5 .cse6 .cse7)))) [2022-01-10 06:33:28,566 INFO L854 garLoopResultBuilder]: At program point L308(lines 293 311) the Hoare annotation is: (let ((.cse7 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse7)) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse5 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse5 .cse7) (or .cse0 .cse6 .cse2 .cse3 .cse7)))) [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L854 garLoopResultBuilder]: At program point L620(lines 611 624) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse2 .cse7 .cse5 .cse6)))) [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L854 garLoopResultBuilder]: At program point L226(lines 221 228) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse6) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse0 .cse1 .cse6 .cse2))) [2022-01-10 06:33:28,566 INFO L854 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse2))) [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 546 557) no Hoare annotation was computed. [2022-01-10 06:33:28,566 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 546 557) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= (_ bv1 32) ~pumpRunning~0)) .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse2) (or .cse3 .cse5 .cse6 .cse4 .cse2) (or .cse0 .cse3 .cse6 .cse4 .cse2) (or .cse3 .cse1 .cse5 .cse4 .cse2))) [2022-01-10 06:33:28,569 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:28,569 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:28,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:28 BoogieIcfgContainer [2022-01-10 06:33:28,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:28,601 INFO L158 Benchmark]: Toolchain (without parser) took 12538.65ms. Allocated memory was 257.9MB in the beginning and 432.0MB in the end (delta: 174.1MB). Free memory was 199.8MB in the beginning and 264.1MB in the end (delta: -64.3MB). Peak memory consumption was 180.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:28,601 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 257.9MB. Free memory is still 216.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:28,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.58ms. Allocated memory was 257.9MB in the beginning and 359.7MB in the end (delta: 101.7MB). Free memory was 199.6MB in the beginning and 314.9MB in the end (delta: -115.4MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:28,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.26ms. Allocated memory is still 359.7MB. Free memory was 314.9MB in the beginning and 312.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:28,602 INFO L158 Benchmark]: Boogie Preprocessor took 27.54ms. Allocated memory is still 359.7MB. Free memory was 312.3MB in the beginning and 310.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:33:28,602 INFO L158 Benchmark]: RCFGBuilder took 391.78ms. Allocated memory is still 359.7MB. Free memory was 310.7MB in the beginning and 291.3MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:28,602 INFO L158 Benchmark]: TraceAbstraction took 11578.95ms. Allocated memory was 359.7MB in the beginning and 432.0MB in the end (delta: 72.4MB). Free memory was 290.8MB in the beginning and 264.1MB in the end (delta: 26.7MB). Peak memory consumption was 169.9MB. Max. memory is 8.0GB. [2022-01-10 06:33:28,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 257.9MB. Free memory is still 216.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.58ms. Allocated memory was 257.9MB in the beginning and 359.7MB in the end (delta: 101.7MB). Free memory was 199.6MB in the beginning and 314.9MB in the end (delta: -115.4MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.26ms. Allocated memory is still 359.7MB. Free memory was 314.9MB in the beginning and 312.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.54ms. Allocated memory is still 359.7MB. Free memory was 312.3MB in the beginning and 310.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 391.78ms. Allocated memory is still 359.7MB. Free memory was 310.7MB in the beginning and 291.3MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 11578.95ms. Allocated memory was 359.7MB in the beginning and 432.0MB in the end (delta: 72.4MB). Free memory was 290.8MB in the beginning and 264.1MB in the end (delta: 26.7MB). Peak memory consumption was 169.9MB. 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: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 958 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 949 mSDsluCounter, 3980 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2383 mSDsCounter, 147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 147 mSolverCounterUnsat, 1597 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 915 GetRequests, 866 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1096occurred in iteration=13, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 282 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2808 PreInvPairs, 2962 NumberOfFragments, 3133 HoareAnnotationTreeSize, 2808 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 8303 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 818 NumberOfCodeBlocks, 818 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 898 ConstructedInterpolants, 0 QuantifiedInterpolants, 1851 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2817 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 164/177 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: 346]: Loop Invariant Derived loop invariant: (((((waterLevel == 2bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || (((((1bv32 == pumpRunning && \result == 0bv32) && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methAndRunningLastTime == 0bv32)) || 0bv32 == pumpRunning) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((((((((((!(2bv32 == \old(waterLevel)) || tmp == 0bv32) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((((tmp == 0bv32 || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || (((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && ((((!(\old(pumpRunning) == 0bv32) || (((tmp == 0bv32 && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && ((((((methAndRunningLastTime == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || tmp == 0bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || (tmp == 0bv32 && methAndRunningLastTime == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || ((((((((methAndRunningLastTime == 0bv32 && \result == 0bv32) && 1bv32 == tmp___0) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || ((methAndRunningLastTime == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) && ((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methAndRunningLastTime == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || (((\result == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) && ((((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || ((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || methAndRunningLastTime == 0bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && ((((methAndRunningLastTime == 0bv32 || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((((\result == 0bv32 && \result == 0bv32) && 1bv32 == tmp___0) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && waterLevel == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || (((\result == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && ((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methAndRunningLastTime == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32)) && ((((!(systemActive == 1bv32) || methAndRunningLastTime == 0bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && waterLevel == \old(waterLevel))) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((((\result == 0bv32 && 1bv32 == tmp___0) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((systemActive == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((systemActive == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && systemActive == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && \result == 0bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (1bv32 == pumpRunning && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((waterLevel == 2bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((waterLevel == 2bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((systemActive == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:33:28,649 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...