/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:36:06,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:36:06,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:36:06,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:36:06,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:36:06,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:36:06,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:36:06,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:36:06,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:36:06,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:36:06,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:36:06,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:36:06,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:36:06,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:36:06,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:36:06,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:36:06,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:36:06,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:36:06,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:36:06,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:36:06,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:36:06,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:36:06,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:36:06,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:36:06,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:36:06,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:36:06,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:36:06,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:36:06,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:36:06,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:36:06,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:36:06,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:36:06,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:36:06,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:36:06,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:36:06,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:36:06,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:36:06,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:36:06,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:36:06,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:36:06,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:36:06,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:36:07,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:36:07,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:36:07,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:36:07,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:36:07,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:36:07,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:36:07,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:36:07,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:36:07,017 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:36:07,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:36:07,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:36:07,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:36:07,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:36:07,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:36:07,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:36:07,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:36:07,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:36:07,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:36:07,028 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:36:07,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:36:07,029 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:36:07,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:36:07,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:36:07,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:36:07,029 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:36:07,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:36:07,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:36:07,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:36:07,216 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:36:07,222 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:36:07,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2022-01-10 06:36:07,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b18b768f3/56fd07a526184aeb98c0770e3289c4e1/FLAGb518f1edc [2022-01-10 06:36:07,639 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:36:07,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2022-01-10 06:36:07,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b18b768f3/56fd07a526184aeb98c0770e3289c4e1/FLAGb518f1edc [2022-01-10 06:36:07,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b18b768f3/56fd07a526184aeb98c0770e3289c4e1 [2022-01-10 06:36:07,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:36:07,657 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:36:07,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:36:07,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:36:07,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:36:07,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:07" (1/1) ... [2022-01-10 06:36:07,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a42318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:07, skipping insertion in model container [2022-01-10 06:36:07,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:07" (1/1) ... [2022-01-10 06:36:07,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:36:07,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:36:07,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c[17002,17015] [2022-01-10 06:36:07,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:07,933 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:36:07,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:36:07,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c[17002,17015] [2022-01-10 06:36:08,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:08,013 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:36:08,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c[17002,17015] [2022-01-10 06:36:08,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:08,085 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:36:08,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08 WrapperNode [2022-01-10 06:36:08,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:36:08,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:36:08,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:36:08,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:36:08,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,127 INFO L137 Inliner]: procedures = 61, calls = 161, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 274 [2022-01-10 06:36:08,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:36:08,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:36:08,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:36:08,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:36:08,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:36:08,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:36:08,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:36:08,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:36:08,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (1/1) ... [2022-01-10 06:36:08,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:36:08,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:36:08,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:36:08,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:36:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:36:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:36:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:36:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:36:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:36:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:36:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:36:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:36:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:36:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:36:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:36:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:36:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:36:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:36:08,255 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:36:08,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:36:08,467 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:36:08,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:36:08,472 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:36:08,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:08 BoogieIcfgContainer [2022-01-10 06:36:08,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:36:08,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:36:08,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:36:08,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:36:08,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:36:07" (1/3) ... [2022-01-10 06:36:08,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6e3f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:08, skipping insertion in model container [2022-01-10 06:36:08,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:08" (2/3) ... [2022-01-10 06:36:08,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6e3f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:08, skipping insertion in model container [2022-01-10 06:36:08,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:08" (3/3) ... [2022-01-10 06:36:08,480 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2022-01-10 06:36:08,483 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:36:08,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:36:08,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:36:08,517 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:36:08,517 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:36:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 88 states have internal predecessors, (108), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:36:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:36:08,534 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:08,534 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:08,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:08,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash -483847655, now seen corresponding path program 1 times [2022-01-10 06:36:08,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:08,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130708054] [2022-01-10 06:36:08,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:08,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:08,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:08,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:08,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:36:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:08,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:36:08,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:36:08,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:08,701 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:08,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130708054] [2022-01-10 06:36:08,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130708054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:08,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:08,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:08,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854961029] [2022-01-10 06:36:08,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:08,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:36:08,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:08,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:36:08,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:36:08,725 INFO L87 Difference]: Start difference. First operand has 103 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 88 states have internal predecessors, (108), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:08,749 INFO L93 Difference]: Finished difference Result 197 states and 266 transitions. [2022-01-10 06:36:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:36:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:36:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:08,757 INFO L225 Difference]: With dead ends: 197 [2022-01-10 06:36:08,757 INFO L226 Difference]: Without dead ends: 94 [2022-01-10 06:36:08,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:36:08,762 INFO L933 BasicCegarLoop]: 130 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, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:08,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:08,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-01-10 06:36:08,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-01-10 06:36:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 80 states have internal predecessors, (94), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:36:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 121 transitions. [2022-01-10 06:36:08,794 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 121 transitions. Word has length 32 [2022-01-10 06:36:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:08,794 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 121 transitions. [2022-01-10 06:36:08,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2022-01-10 06:36:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:36:08,797 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:08,798 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:08,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:08,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,000 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:09,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1007317633, now seen corresponding path program 1 times [2022-01-10 06:36:09,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:09,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319347352] [2022-01-10 06:36:09,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:09,001 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:09,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:09,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:36:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:09,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:09,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:36:09,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:09,151 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:09,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319347352] [2022-01-10 06:36:09,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319347352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:09,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:09,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:09,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63917497] [2022-01-10 06:36:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:09,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:09,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:09,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:09,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:09,167 INFO L87 Difference]: Start difference. First operand 94 states and 121 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:09,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:09,179 INFO L93 Difference]: Finished difference Result 149 states and 191 transitions. [2022-01-10 06:36:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:09,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-01-10 06:36:09,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:09,185 INFO L225 Difference]: With dead ends: 149 [2022-01-10 06:36:09,185 INFO L226 Difference]: Without dead ends: 85 [2022-01-10 06:36:09,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:09,189 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 16 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:09,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 195 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-01-10 06:36:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-01-10 06:36:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:36:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-01-10 06:36:09,207 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 33 [2022-01-10 06:36:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:09,208 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-01-10 06:36:09,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-01-10 06:36:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 06:36:09,209 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:09,209 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:09,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:09,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:09,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:09,419 INFO L85 PathProgramCache]: Analyzing trace with hash 697495445, now seen corresponding path program 1 times [2022-01-10 06:36:09,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:09,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876753542] [2022-01-10 06:36:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:09,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:09,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:09,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:36:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:09,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:09,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:09,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:09,554 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:09,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876753542] [2022-01-10 06:36:09,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876753542] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:09,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:09,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:09,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383830688] [2022-01-10 06:36:09,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:09,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:09,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:09,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:09,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:09,560 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:36:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:09,580 INFO L93 Difference]: Finished difference Result 238 states and 311 transitions. [2022-01-10 06:36:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:09,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 37 [2022-01-10 06:36:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:09,589 INFO L225 Difference]: With dead ends: 238 [2022-01-10 06:36:09,590 INFO L226 Difference]: Without dead ends: 161 [2022-01-10 06:36:09,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:09,591 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 81 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:09,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 230 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:09,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-01-10 06:36:09,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2022-01-10 06:36:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 121 states have (on average 1.3388429752066116) internal successors, (162), 136 states have internal predecessors, (162), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-10 06:36:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 206 transitions. [2022-01-10 06:36:09,606 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 206 transitions. Word has length 37 [2022-01-10 06:36:09,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:09,606 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 206 transitions. [2022-01-10 06:36:09,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:36:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 206 transitions. [2022-01-10 06:36:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:36:09,615 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:09,615 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:09,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:09,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,823 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:09,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:09,824 INFO L85 PathProgramCache]: Analyzing trace with hash 995675595, now seen corresponding path program 1 times [2022-01-10 06:36:09,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:09,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596724401] [2022-01-10 06:36:09,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:09,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:09,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:09,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:09,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:36:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:09,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:36:09,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:36:09,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:09,973 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:09,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596724401] [2022-01-10 06:36:09,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596724401] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:09,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:09,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:36:09,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157959260] [2022-01-10 06:36:09,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:09,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:36:09,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:09,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:36:09,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:36:09,975 INFO L87 Difference]: Start difference. First operand 158 states and 206 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:10,074 INFO L93 Difference]: Finished difference Result 412 states and 549 transitions. [2022-01-10 06:36:10,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:36:10,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-01-10 06:36:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:10,078 INFO L225 Difference]: With dead ends: 412 [2022-01-10 06:36:10,079 INFO L226 Difference]: Without dead ends: 262 [2022-01-10 06:36:10,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:36:10,084 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 66 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:10,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 513 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:36:10,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-01-10 06:36:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 249. [2022-01-10 06:36:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 190 states have (on average 1.2947368421052632) internal successors, (246), 207 states have internal predecessors, (246), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-01-10 06:36:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 318 transitions. [2022-01-10 06:36:10,111 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 318 transitions. Word has length 41 [2022-01-10 06:36:10,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:10,111 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 318 transitions. [2022-01-10 06:36:10,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 318 transitions. [2022-01-10 06:36:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:36:10,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:10,117 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:10,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:10,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,327 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:10,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1901282667, now seen corresponding path program 1 times [2022-01-10 06:36:10,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:10,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073346828] [2022-01-10 06:36:10,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:10,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:10,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:10,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:36:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:10,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:36:10,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:10,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:10,508 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:10,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073346828] [2022-01-10 06:36:10,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073346828] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:10,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:10,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:36:10,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208200594] [2022-01-10 06:36:10,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:10,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:36:10,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:36:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:10,509 INFO L87 Difference]: Start difference. First operand 249 states and 318 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (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 06:36:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:10,569 INFO L93 Difference]: Finished difference Result 506 states and 668 transitions. [2022-01-10 06:36:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:36:10,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (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 55 [2022-01-10 06:36:10,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:10,572 INFO L225 Difference]: With dead ends: 506 [2022-01-10 06:36:10,573 INFO L226 Difference]: Without dead ends: 265 [2022-01-10 06:36:10,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:10,574 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 9 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:10,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 430 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:10,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-01-10 06:36:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 255. [2022-01-10 06:36:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 196 states have (on average 1.2857142857142858) internal successors, (252), 213 states have internal predecessors, (252), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-01-10 06:36:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 324 transitions. [2022-01-10 06:36:10,591 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 324 transitions. Word has length 55 [2022-01-10 06:36:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:10,592 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 324 transitions. [2022-01-10 06:36:10,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (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 06:36:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 324 transitions. [2022-01-10 06:36:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:36:10,592 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:10,592 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:10,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:10,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,799 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash 588246295, now seen corresponding path program 1 times [2022-01-10 06:36:10,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:10,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707857028] [2022-01-10 06:36:10,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:10,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:10,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:10,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:36:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:10,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:10,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:10,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:10,963 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:10,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707857028] [2022-01-10 06:36:10,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707857028] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:10,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:10,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:36:10,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470102243] [2022-01-10 06:36:10,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:10,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:36:10,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:10,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:36:10,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:36:10,964 INFO L87 Difference]: Start difference. First operand 255 states and 324 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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 06:36:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:10,988 INFO L93 Difference]: Finished difference Result 518 states and 678 transitions. [2022-01-10 06:36:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:36:10,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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 55 [2022-01-10 06:36:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:10,990 INFO L225 Difference]: With dead ends: 518 [2022-01-10 06:36:10,990 INFO L226 Difference]: Without dead ends: 271 [2022-01-10 06:36:10,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:10,992 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 11 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:10,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 325 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:10,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-01-10 06:36:11,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 259. [2022-01-10 06:36:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 200 states have (on average 1.28) internal successors, (256), 217 states have internal predecessors, (256), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-01-10 06:36:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 328 transitions. [2022-01-10 06:36:11,006 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 328 transitions. Word has length 55 [2022-01-10 06:36:11,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:11,006 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 328 transitions. [2022-01-10 06:36:11,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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 06:36:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 328 transitions. [2022-01-10 06:36:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:36:11,007 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:11,007 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:11,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:11,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,216 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash 728794905, now seen corresponding path program 1 times [2022-01-10 06:36:11,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:11,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173218096] [2022-01-10 06:36:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:11,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:11,217 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:11,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:36:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:11,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:11,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:11,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:11,358 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:11,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173218096] [2022-01-10 06:36:11,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173218096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:11,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:11,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:11,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125317137] [2022-01-10 06:36:11,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:11,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:11,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:11,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:11,359 INFO L87 Difference]: Start difference. First operand 259 states and 328 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (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 06:36:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:11,379 INFO L93 Difference]: Finished difference Result 613 states and 782 transitions. [2022-01-10 06:36:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:11,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (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 55 [2022-01-10 06:36:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:11,381 INFO L225 Difference]: With dead ends: 613 [2022-01-10 06:36:11,381 INFO L226 Difference]: Without dead ends: 362 [2022-01-10 06:36:11,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:11,382 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 38 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:11,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 209 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:11,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-01-10 06:36:11,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-01-10 06:36:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 279 states have (on average 1.2473118279569892) internal successors, (348), 298 states have internal predecessors, (348), 46 states have call successors, (46), 38 states have call predecessors, (46), 36 states have return successors, (54), 41 states have call predecessors, (54), 46 states have call successors, (54) [2022-01-10 06:36:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 448 transitions. [2022-01-10 06:36:11,408 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 448 transitions. Word has length 55 [2022-01-10 06:36:11,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:11,408 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 448 transitions. [2022-01-10 06:36:11,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (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 06:36:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 448 transitions. [2022-01-10 06:36:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 06:36:11,409 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:11,409 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:11,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:11,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,618 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:11,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1287141247, now seen corresponding path program 1 times [2022-01-10 06:36:11,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:11,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465815172] [2022-01-10 06:36:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:11,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:11,620 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:11,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:36:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:11,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:36:11,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:11,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:11,824 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:11,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465815172] [2022-01-10 06:36:11,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465815172] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:11,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:11,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:36:11,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29914114] [2022-01-10 06:36:11,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:11,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:36:11,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:11,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:36:11,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:36:11,826 INFO L87 Difference]: Start difference. First operand 362 states and 448 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:36:12,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:12,232 INFO L93 Difference]: Finished difference Result 1187 states and 1534 transitions. [2022-01-10 06:36:12,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:36:12,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2022-01-10 06:36:12,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:12,236 INFO L225 Difference]: With dead ends: 1187 [2022-01-10 06:36:12,236 INFO L226 Difference]: Without dead ends: 936 [2022-01-10 06:36:12,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:36:12,237 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 270 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:12,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 690 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:36:12,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-01-10 06:36:12,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 867. [2022-01-10 06:36:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 664 states have (on average 1.2379518072289157) internal successors, (822), 714 states have internal predecessors, (822), 111 states have call successors, (111), 83 states have call predecessors, (111), 91 states have return successors, (143), 101 states have call predecessors, (143), 111 states have call successors, (143) [2022-01-10 06:36:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1076 transitions. [2022-01-10 06:36:12,268 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1076 transitions. Word has length 59 [2022-01-10 06:36:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:12,269 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1076 transitions. [2022-01-10 06:36:12,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:36:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1076 transitions. [2022-01-10 06:36:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-01-10 06:36:12,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:12,270 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:12,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-01-10 06:36:12,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:12,477 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:12,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1885916922, now seen corresponding path program 1 times [2022-01-10 06:36:12,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:12,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640470415] [2022-01-10 06:36:12,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:12,478 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:12,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:12,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:12,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:36:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:12,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:12,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:12,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:12,662 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:12,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640470415] [2022-01-10 06:36:12,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640470415] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:12,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:12,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:12,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507919852] [2022-01-10 06:36:12,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:12,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:12,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:12,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:12,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:12,663 INFO L87 Difference]: Start difference. First operand 867 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 06:36:12,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:12,717 INFO L93 Difference]: Finished difference Result 1451 states and 1816 transitions. [2022-01-10 06:36:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:12,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 89 [2022-01-10 06:36:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:12,735 INFO L225 Difference]: With dead ends: 1451 [2022-01-10 06:36:12,735 INFO L226 Difference]: Without dead ends: 1012 [2022-01-10 06:36:12,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:12,737 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 61 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:12,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 167 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2022-01-10 06:36:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1004. [2022-01-10 06:36:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 768 states have (on average 1.2330729166666667) internal successors, (947), 825 states have internal predecessors, (947), 129 states have call successors, (129), 98 states have call predecessors, (129), 106 states have return successors, (167), 118 states have call predecessors, (167), 129 states have call successors, (167) [2022-01-10 06:36:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1243 transitions. [2022-01-10 06:36:12,796 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1243 transitions. Word has length 89 [2022-01-10 06:36:12,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:12,797 INFO L470 AbstractCegarLoop]: Abstraction has 1004 states and 1243 transitions. [2022-01-10 06:36:12,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 06:36:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1243 transitions. [2022-01-10 06:36:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 06:36:12,800 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:12,800 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:12,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:13,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:13,007 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:13,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:13,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1032451292, now seen corresponding path program 1 times [2022-01-10 06:36:13,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:13,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311068413] [2022-01-10 06:36:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:13,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:13,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:13,009 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:13,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:36:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:13,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:36:13,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 06:36:13,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:36:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-10 06:36:13,556 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:13,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311068413] [2022-01-10 06:36:13,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311068413] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:36:13,556 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:36:13,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:36:13,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379674322] [2022-01-10 06:36:13,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:36:13,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:36:13,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:36:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:36:13,557 INFO L87 Difference]: Start difference. First operand 1004 states and 1243 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 12 states have internal predecessors, (123), 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 06:36:14,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:14,680 INFO L93 Difference]: Finished difference Result 3124 states and 4089 transitions. [2022-01-10 06:36:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-10 06:36:14,681 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 12 states have internal predecessors, (123), 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 100 [2022-01-10 06:36:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:14,690 INFO L225 Difference]: With dead ends: 3124 [2022-01-10 06:36:14,690 INFO L226 Difference]: Without dead ends: 2259 [2022-01-10 06:36:14,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 189 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2022-01-10 06:36:14,693 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 841 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:14,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 1412 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 06:36:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2022-01-10 06:36:14,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 2063. [2022-01-10 06:36:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2063 states, 1577 states have (on average 1.2428662016487) internal successors, (1960), 1683 states have internal predecessors, (1960), 268 states have call successors, (268), 178 states have call predecessors, (268), 217 states have return successors, (489), 267 states have call predecessors, (489), 268 states have call successors, (489) [2022-01-10 06:36:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 2717 transitions. [2022-01-10 06:36:14,776 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 2717 transitions. Word has length 100 [2022-01-10 06:36:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:14,777 INFO L470 AbstractCegarLoop]: Abstraction has 2063 states and 2717 transitions. [2022-01-10 06:36:14,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 12 states have internal predecessors, (123), 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 06:36:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2717 transitions. [2022-01-10 06:36:14,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 06:36:14,779 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:14,779 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:14,786 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 06:36:14,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:14,986 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:14,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1166464798, now seen corresponding path program 1 times [2022-01-10 06:36:14,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:14,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667191561] [2022-01-10 06:36:14,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:14,987 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:14,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:14,988 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:15,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:36:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:15,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:36:15,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 06:36:15,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:15,178 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:15,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667191561] [2022-01-10 06:36:15,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667191561] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:15,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:15,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:36:15,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667124596] [2022-01-10 06:36:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:15,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:36:15,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:36:15,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:15,179 INFO L87 Difference]: Start difference. First operand 2063 states and 2717 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 06:36:15,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:15,224 INFO L93 Difference]: Finished difference Result 2501 states and 3237 transitions. [2022-01-10 06:36:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:36:15,225 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 100 [2022-01-10 06:36:15,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:15,225 INFO L225 Difference]: With dead ends: 2501 [2022-01-10 06:36:15,225 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:36:15,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:15,232 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 33 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:15,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 387 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:36:15,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:36:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:36:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:36:15,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2022-01-10 06:36:15,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:15,233 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:36:15,233 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 06:36:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:36:15,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:36:15,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:36:15,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:15,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:15,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:36:17,347 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 267 273) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 267 273) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point L920(lines 895 924) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 913) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L858 garLoopResultBuilder]: For program point L906(line 906) no Hoare annotation was computed. [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2022-01-10 06:36:17,348 INFO L861 garLoopResultBuilder]: At program point L901(line 901) the Hoare annotation is: true [2022-01-10 06:36:17,349 INFO L858 garLoopResultBuilder]: For program point L901-1(line 901) no Hoare annotation was computed. [2022-01-10 06:36:17,349 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-01-10 06:36:17,349 INFO L854 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse5)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (and (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse4 (and (= ~waterLevel~0 (_ bv1 32)) .cse2) .cse5 .cse6) (or .cse4 .cse0 .cse6))))) [2022-01-10 06:36:17,349 INFO L854 garLoopResultBuilder]: At program point L320-1(lines 301 325) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (not .cse2)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and .cse5 .cse6))) (and (or .cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse2 .cse3) (or .cse4 (and .cse5 .cse1 .cse6) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse4 .cse3))))) [2022-01-10 06:36:17,349 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse0) (or .cse1 (= ~systemActive~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))))) [2022-01-10 06:36:17,349 INFO L854 garLoopResultBuilder]: At program point L861(lines 854 863) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse3)) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (= ~systemActive~0 (_ bv0 32)) .cse3)))) [2022-01-10 06:36:17,349 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 260) no Hoare annotation was computed. [2022-01-10 06:36:17,349 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 448) no Hoare annotation was computed. [2022-01-10 06:36:17,349 INFO L858 garLoopResultBuilder]: For program point L444-2(lines 444 448) no Hoare annotation was computed. [2022-01-10 06:36:17,349 INFO L854 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 .cse0) (or .cse2 (and (= ~waterLevel~0 (_ bv1 32)) .cse1) (= ~systemActive~0 (_ bv0 32))))) [2022-01-10 06:36:17,349 INFO L858 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-01-10 06:36:17,349 INFO L854 garLoopResultBuilder]: At program point L841(lines 836 843) the Hoare annotation is: (let ((.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (= ~systemActive~0 (_ bv0 32))) (or .cse1 .cse0))) [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 240 266) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse0) (or .cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))) (= ~systemActive~0 (_ bv0 32))))) [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L247-2(lines 243 265) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 317) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 322) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L450(lines 435 453) the Hoare annotation is: (let ((.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32))) (= ~systemActive~0 (_ bv0 32))) (or .cse1 .cse0))) [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse3)) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (= ~systemActive~0 (_ bv0 32)) .cse3)))) [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L872-1(lines 864 892) the Hoare annotation is: (let ((.cse3 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse7 (= ~systemActive~0 (_ bv0 32))) (.cse5 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (and .cse3 (not .cse7) .cse5 .cse6))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6)) (or .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse4 .cse6)) (or .cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse4) .cse7 .cse2)))) [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse6 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse4 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (and .cse6 (not .cse4) .cse2)) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse1 .cse2)) (or .cse3 (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse4 .cse5) (or .cse3 (and .cse6 .cse1 .cse2) .cse5 .cse0)))) [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 (= ~systemActive~0 (_ bv0 32))) (or .cse1 .cse0))) [2022-01-10 06:36:17,350 INFO L854 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse0) (or (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) .cse1 (= ~systemActive~0 (_ bv0 32))))) [2022-01-10 06:36:17,351 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 240 266) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse3)) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (= ~systemActive~0 (_ bv0 32)) .cse3)))) [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 240 266) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L861 garLoopResultBuilder]: At program point L225(lines 164 229) the Hoare annotation is: true [2022-01-10 06:36:17,351 INFO L861 garLoopResultBuilder]: At program point L989(lines 970 992) the Hoare annotation is: true [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 180) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L854 garLoopResultBuilder]: At program point L222(lines 173 223) the Hoare annotation is: false [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L854 garLoopResultBuilder]: At program point L953(lines 949 955) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 216) no Hoare annotation was computed. [2022-01-10 06:36:17,351 INFO L854 garLoopResultBuilder]: At program point L466(lines 454 468) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2022-01-10 06:36:17,351 INFO L854 garLoopResultBuilder]: At program point L210-2(lines 204 217) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:36:17,351 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 464) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 458 464) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L1024(lines 1019 1027) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L219(lines 174 221) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1012 1018) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L851(lines 846 853) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 987) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 987) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L1009(lines 1005 1011) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L175(lines 174 221) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 217) no Hoare annotation was computed. [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2022-01-10 06:36:17,352 INFO L861 garLoopResultBuilder]: At program point L964(lines 956 966) the Hoare annotation is: true [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:36:17,352 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 275 299) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:36:17,352 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 291) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 296) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L331(lines 326 333) the Hoare annotation is: (or (= ~systemActive~0 (_ bv0 32)) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L294-1(lines 275 299) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 275 299) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L342-2(lines 335 351) the Hoare annotation is: (or (= ~systemActive~0 (_ bv0 32)) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse2)))) [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L431(lines 416 434) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse2) .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L367(lines 360 370) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-01-10 06:36:17,353 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse1) (or .cse2 (= ~systemActive~0 (_ bv0 32)) .cse1) (or .cse2 .cse0 .cse1))) [2022-01-10 06:36:17,353 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2022-01-10 06:36:17,354 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2022-01-10 06:36:17,354 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2022-01-10 06:36:17,356 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:17,357 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:36:17,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:36:17 BoogieIcfgContainer [2022-01-10 06:36:17,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:36:17,384 INFO L158 Benchmark]: Toolchain (without parser) took 9726.79ms. Allocated memory was 204.5MB in the beginning and 300.9MB in the end (delta: 96.5MB). Free memory was 149.3MB in the beginning and 229.6MB in the end (delta: -80.3MB). Peak memory consumption was 150.5MB. Max. memory is 8.0GB. [2022-01-10 06:36:17,385 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 166.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:36:17,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.49ms. Allocated memory was 204.5MB in the beginning and 250.6MB in the end (delta: 46.1MB). Free memory was 149.0MB in the beginning and 207.4MB in the end (delta: -58.4MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-01-10 06:36:17,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.79ms. Allocated memory is still 250.6MB. Free memory was 207.4MB in the beginning and 204.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:36:17,385 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 250.6MB. Free memory was 204.8MB in the beginning and 203.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:36:17,385 INFO L158 Benchmark]: RCFGBuilder took 325.19ms. Allocated memory is still 250.6MB. Free memory was 203.2MB in the beginning and 184.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 06:36:17,385 INFO L158 Benchmark]: TraceAbstraction took 8908.95ms. Allocated memory was 250.6MB in the beginning and 300.9MB in the end (delta: 50.3MB). Free memory was 183.8MB in the beginning and 229.6MB in the end (delta: -45.7MB). Peak memory consumption was 139.3MB. Max. memory is 8.0GB. [2022-01-10 06:36:17,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 166.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.49ms. Allocated memory was 204.5MB in the beginning and 250.6MB in the end (delta: 46.1MB). Free memory was 149.0MB in the beginning and 207.4MB in the end (delta: -58.4MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.79ms. Allocated memory is still 250.6MB. Free memory was 207.4MB in the beginning and 204.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 250.6MB. Free memory was 204.8MB in the beginning and 203.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 325.19ms. Allocated memory is still 250.6MB. Free memory was 203.2MB in the beginning and 184.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 8908.95ms. Allocated memory was 250.6MB in the beginning and 300.9MB in the end (delta: 50.3MB). Free memory was 183.8MB in the beginning and 229.6MB in the end (delta: -45.7MB). Peak memory consumption was 139.3MB. 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: 840]: 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, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1469 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1426 mSDsluCounter, 4688 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3187 mSDsCounter, 419 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1926 IncrementalHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 419 mSolverCounterUnsat, 1501 mSDtfsCounter, 1926 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 784 GetRequests, 713 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2063occurred in iteration=10, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 311 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 2604 PreInvPairs, 2778 NumberOfFragments, 1178 HoareAnnotationTreeSize, 2604 FomulaSimplifications, 730 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 48 FomulaSimplificationsInter, 4905 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 656 NumberOfCodeBlocks, 656 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 744 ConstructedInterpolants, 0 QuantifiedInterpolants, 1731 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2209 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 133/150 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: 128]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || systemActive == 0bv32) || ((\result == 2bv32 && !(systemActive == 0bv32)) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || ((\result == 2bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || ((\result == 2bv32 && !(systemActive == 0bv32)) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && ((systemActive == 0bv32 || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((systemActive == 0bv32 || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && ((systemActive == 0bv32 || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (systemActive == 0bv32 || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && !(systemActive == 0bv32)) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) || (((\result == 2bv32 && 0bv32 == pumpRunning) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || systemActive == 0bv32) || (((\result == 2bv32 && !(systemActive == 0bv32)) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1019]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) && (!(2bv32 == \old(waterLevel)) || systemActive == 0bv32)) && (!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || systemActive == 0bv32) || (!(systemActive == 0bv32) && waterLevel == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || (!(systemActive == 0bv32) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || ((((\result == 0bv32 && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32)) || systemActive == 0bv32)) && (!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || systemActive == 0bv32) || waterLevel == \old(waterLevel)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (systemActive == 0bv32 || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) && (!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || systemActive == 0bv32) || waterLevel == 1bv32) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) && (!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || (\result == 0bv32 && waterLevel == 1bv32)) || systemActive == 0bv32) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((~bvadd16(waterLevel, 4294967295bv32) == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((waterLevel == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((systemActive == 0bv32 || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((waterLevel == 2bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((waterLevel == 2bv32 && !(systemActive == 0bv32)) && splverifierCounter == 0bv32)) || ((waterLevel == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:36:17,421 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...