/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_spec3_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:34:08,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:34:08,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:34:08,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:34:08,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:34:08,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:34:08,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:34:08,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:34:08,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:34:08,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:34:08,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:34:08,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:34:08,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:34:08,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:34:08,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:34:08,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:34:08,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:34:08,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:34:08,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:34:08,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:34:08,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:34:08,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:34:08,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:34:08,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:34:08,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:34:08,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:34:08,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:34:08,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:34:08,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:34:08,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:34:08,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:34:08,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:34:08,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:34:08,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:34:08,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:34:08,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:34:08,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:34:08,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:34:08,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:34:08,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:34:08,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:34:08,216 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 06:34:08,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:34:08,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:34:08,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:34:08,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:34:08,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:34:08,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:34:08,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:34:08,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:34:08,245 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:34:08,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:34:08,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:34:08,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:34:08,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:34:08,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:34:08,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:34:08,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:34:08,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:08,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:34:08,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:34:08,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:34:08,248 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:34:08,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:34:08,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:34:08,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:34:08,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:34:08,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:34:08,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:34:08,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:34:08,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:34:08,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:34:08,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:34:08,459 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:34:08,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2022-01-10 06:34:08,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45eca881/fc60be64e763496a8af02a46f8168ebe/FLAG35fc17b64 [2022-01-10 06:34:08,927 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:34:08,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2022-01-10 06:34:08,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45eca881/fc60be64e763496a8af02a46f8168ebe/FLAG35fc17b64 [2022-01-10 06:34:08,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45eca881/fc60be64e763496a8af02a46f8168ebe [2022-01-10 06:34:08,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:34:08,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:34:08,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:08,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:34:08,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:34:08,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:08" (1/1) ... [2022-01-10 06:34:08,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9af6524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:08, skipping insertion in model container [2022-01-10 06:34:08,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:08" (1/1) ... [2022-01-10 06:34:08,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:34:08,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:09,198 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_spec3_product58.cil.c[13037,13050] [2022-01-10 06:34:09,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:09,235 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:34:09,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:09,296 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_spec3_product58.cil.c[13037,13050] [2022-01-10 06:34:09,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:09,319 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:34:09,344 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_spec3_product58.cil.c[13037,13050] [2022-01-10 06:34:09,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:09,370 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:34:09,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09 WrapperNode [2022-01-10 06:34:09,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:09,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:09,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:34:09,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:34:09,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,408 INFO L137 Inliner]: procedures = 59, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 269 [2022-01-10 06:34:09,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:09,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:34:09,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:34:09,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:34:09,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:34:09,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:34:09,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:34:09,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:34:09,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (1/1) ... [2022-01-10 06:34:09,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:09,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:34:09,470 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 06:34:09,482 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 06:34:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:34:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:34:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:34:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:34:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:34:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:34:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:34:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:34:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:34:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:34:09,562 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:34:09,563 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:34:09,775 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:34:09,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:34:09,780 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:34:09,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:09 BoogieIcfgContainer [2022-01-10 06:34:09,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:34:09,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:34:09,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:34:09,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:34:09,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:08" (1/3) ... [2022-01-10 06:34:09,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78db8aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:09, skipping insertion in model container [2022-01-10 06:34:09,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:09" (2/3) ... [2022-01-10 06:34:09,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78db8aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:09, skipping insertion in model container [2022-01-10 06:34:09,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:09" (3/3) ... [2022-01-10 06:34:09,789 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2022-01-10 06:34:09,792 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:34:09,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:34:09,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:34:09,828 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 06:34:09,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:34:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:34:09,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:34:09,846 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:09,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:09,847 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:09,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:09,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1031602919, now seen corresponding path program 1 times [2022-01-10 06:34:09,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:09,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059325014] [2022-01-10 06:34:09,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:09,860 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:09,861 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 06:34:09,862 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 06:34:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:09,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:34:09,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:10,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:10,053 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:10,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059325014] [2022-01-10 06:34:10,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059325014] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:10,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:10,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:10,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210266948] [2022-01-10 06:34:10,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:10,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:34:10,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:10,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:34:10,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:10,084 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:10,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:10,105 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2022-01-10 06:34:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:34:10,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:34:10,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:10,115 INFO L225 Difference]: With dead ends: 180 [2022-01-10 06:34:10,116 INFO L226 Difference]: Without dead ends: 85 [2022-01-10 06:34:10,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:10,121 INFO L933 BasicCegarLoop]: 119 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, 119 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 06:34:10,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-01-10 06:34:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-01-10 06:34:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 73 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:34:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-01-10 06:34:10,168 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-01-10 06:34:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:10,168 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-01-10 06:34:10,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-01-10 06:34:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:34:10,171 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:10,171 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:10,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:34:10,379 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 06:34:10,380 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:10,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:10,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1999893422, now seen corresponding path program 1 times [2022-01-10 06:34:10,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:10,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535571391] [2022-01-10 06:34:10,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:10,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:10,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:10,392 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 06:34:10,393 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 06:34:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:10,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:10,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:10,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:10,498 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:10,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535571391] [2022-01-10 06:34:10,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535571391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:10,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:10,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:10,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301452219] [2022-01-10 06:34:10,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:10,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:10,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:10,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:10,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:10,500 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:10,524 INFO L93 Difference]: Finished difference Result 135 states and 175 transitions. [2022-01-10 06:34:10,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:10,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:34:10,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:10,528 INFO L225 Difference]: With dead ends: 135 [2022-01-10 06:34:10,528 INFO L226 Difference]: Without dead ends: 76 [2022-01-10 06:34:10,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:10,530 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 177 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 06:34:10,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:10,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-01-10 06:34:10,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-01-10 06:34:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 67 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:34:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-01-10 06:34:10,539 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-01-10 06:34:10,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:10,540 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-01-10 06:34:10,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-01-10 06:34:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:34:10,541 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:10,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:10,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 06:34:10,741 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 06:34:10,742 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:10,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:10,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2069285612, now seen corresponding path program 1 times [2022-01-10 06:34:10,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:10,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500232615] [2022-01-10 06:34:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:10,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:10,744 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 06:34:10,746 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 06:34:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:10,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:10,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:10,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:10,840 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:10,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500232615] [2022-01-10 06:34:10,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500232615] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:10,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:10,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:10,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484814941] [2022-01-10 06:34:10,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:10,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:10,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:10,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:10,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:10,844 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:10,877 INFO L93 Difference]: Finished difference Result 145 states and 190 transitions. [2022-01-10 06:34:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:10,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-01-10 06:34:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:10,878 INFO L225 Difference]: With dead ends: 145 [2022-01-10 06:34:10,878 INFO L226 Difference]: Without dead ends: 76 [2022-01-10 06:34:10,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:10,880 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 92 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:10,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-01-10 06:34:10,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-01-10 06:34:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:34:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-01-10 06:34:10,896 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 31 [2022-01-10 06:34:10,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:10,897 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-01-10 06:34:10,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-01-10 06:34:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:34:10,899 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:10,899 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:10,909 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 06:34:11,109 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 06:34:11,110 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:11,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash -513760969, now seen corresponding path program 1 times [2022-01-10 06:34:11,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:11,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954821640] [2022-01-10 06:34:11,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:11,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:11,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:11,112 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 06:34:11,123 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 06:34:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:11,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:11,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:11,311 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:11,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954821640] [2022-01-10 06:34:11,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954821640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:11,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:11,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:11,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85613635] [2022-01-10 06:34:11,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:11,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:11,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:11,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:11,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:11,317 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:34:11,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:11,466 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2022-01-10 06:34:11,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:11,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-01-10 06:34:11,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:11,471 INFO L225 Difference]: With dead ends: 221 [2022-01-10 06:34:11,471 INFO L226 Difference]: Without dead ends: 152 [2022-01-10 06:34:11,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:11,479 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 224 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:11,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 334 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:11,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-01-10 06:34:11,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2022-01-10 06:34:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 123 states have internal predecessors, (146), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (18), 16 states have call predecessors, (18), 15 states have call successors, (18) [2022-01-10 06:34:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 179 transitions. [2022-01-10 06:34:11,497 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 179 transitions. Word has length 41 [2022-01-10 06:34:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:11,497 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 179 transitions. [2022-01-10 06:34:11,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:34:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 179 transitions. [2022-01-10 06:34:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 06:34:11,499 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:11,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:11,513 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 06:34:11,702 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 06:34:11,703 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:11,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1561264077, now seen corresponding path program 1 times [2022-01-10 06:34:11,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:11,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853169473] [2022-01-10 06:34:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:11,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:11,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:11,705 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 06:34:11,706 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 06:34:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:11,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:11,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:11,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:11,824 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:11,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853169473] [2022-01-10 06:34:11,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853169473] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:11,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:11,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:11,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917085438] [2022-01-10 06:34:11,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:11,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:11,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:11,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:11,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:11,826 INFO L87 Difference]: Start difference. First operand 146 states and 179 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:34:11,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:11,846 INFO L93 Difference]: Finished difference Result 302 states and 377 transitions. [2022-01-10 06:34:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:34:11,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-01-10 06:34:11,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:11,847 INFO L225 Difference]: With dead ends: 302 [2022-01-10 06:34:11,847 INFO L226 Difference]: Without dead ends: 163 [2022-01-10 06:34:11,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 06:34:11,848 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 25 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:11,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 283 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-01-10 06:34:11,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 148. [2022-01-10 06:34:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 117 states have (on average 1.264957264957265) internal successors, (148), 125 states have internal predecessors, (148), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (18), 16 states have call predecessors, (18), 15 states have call successors, (18) [2022-01-10 06:34:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2022-01-10 06:34:11,867 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 47 [2022-01-10 06:34:11,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:11,867 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2022-01-10 06:34:11,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:34:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2022-01-10 06:34:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 06:34:11,869 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:11,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:11,877 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 06:34:12,082 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 06:34:12,082 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:12,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1342409359, now seen corresponding path program 1 times [2022-01-10 06:34:12,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:12,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316649446] [2022-01-10 06:34:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:12,088 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:12,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:12,089 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 06:34:12,091 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 06:34:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:12,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:12,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:12,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:12,225 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:12,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316649446] [2022-01-10 06:34:12,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316649446] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:12,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:12,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:12,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512216231] [2022-01-10 06:34:12,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:12,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:12,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:12,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:12,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:12,227 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:34:12,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:12,266 INFO L93 Difference]: Finished difference Result 383 states and 482 transitions. [2022-01-10 06:34:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:12,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2022-01-10 06:34:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:12,270 INFO L225 Difference]: With dead ends: 383 [2022-01-10 06:34:12,270 INFO L226 Difference]: Without dead ends: 242 [2022-01-10 06:34:12,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 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 06:34:12,271 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 35 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:12,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 382 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-01-10 06:34:12,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2022-01-10 06:34:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 185 states have (on average 1.2432432432432432) internal successors, (230), 196 states have internal predecessors, (230), 26 states have call successors, (26), 22 states have call predecessors, (26), 24 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2022-01-10 06:34:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 288 transitions. [2022-01-10 06:34:12,283 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 288 transitions. Word has length 47 [2022-01-10 06:34:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:12,283 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 288 transitions. [2022-01-10 06:34:12,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:34:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 288 transitions. [2022-01-10 06:34:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:12,284 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:12,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:12,303 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 06:34:12,492 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 06:34:12,492 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:12,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:12,493 INFO L85 PathProgramCache]: Analyzing trace with hash 2094412649, now seen corresponding path program 1 times [2022-01-10 06:34:12,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:12,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789736506] [2022-01-10 06:34:12,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:12,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:12,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:12,494 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 06:34:12,495 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 06:34:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:12,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:12,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:12,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:12,686 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:12,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789736506] [2022-01-10 06:34:12,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789736506] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:12,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:12,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:12,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212445130] [2022-01-10 06:34:12,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:12,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:12,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:12,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:12,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:12,688 INFO L87 Difference]: Start difference. First operand 236 states and 288 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:12,980 INFO L93 Difference]: Finished difference Result 656 states and 823 transitions. [2022-01-10 06:34:12,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:34:12,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2022-01-10 06:34:12,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:12,988 INFO L225 Difference]: With dead ends: 656 [2022-01-10 06:34:12,988 INFO L226 Difference]: Without dead ends: 515 [2022-01-10 06:34:12,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:12,990 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 261 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:12,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 492 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:34:12,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-01-10 06:34:13,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 482. [2022-01-10 06:34:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.245382585751979) internal successors, (472), 404 states have internal predecessors, (472), 51 states have call successors, (51), 40 states have call predecessors, (51), 51 states have return successors, (64), 53 states have call predecessors, (64), 51 states have call successors, (64) [2022-01-10 06:34:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 587 transitions. [2022-01-10 06:34:13,045 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 587 transitions. Word has length 51 [2022-01-10 06:34:13,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:13,045 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 587 transitions. [2022-01-10 06:34:13,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 587 transitions. [2022-01-10 06:34:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:13,049 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:13,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:13,060 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 06:34:13,257 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 06:34:13,257 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:13,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash -2115713435, now seen corresponding path program 1 times [2022-01-10 06:34:13,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:13,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048245479] [2022-01-10 06:34:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:13,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:13,260 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 06:34:13,261 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 06:34:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:13,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:13,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:13,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:13,381 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:13,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048245479] [2022-01-10 06:34:13,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048245479] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:13,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:13,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:13,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703975695] [2022-01-10 06:34:13,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:13,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:13,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:13,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:13,382 INFO L87 Difference]: Start difference. First operand 482 states and 587 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:13,444 INFO L93 Difference]: Finished difference Result 918 states and 1128 transitions. [2022-01-10 06:34:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:13,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:34:13,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:13,450 INFO L225 Difference]: With dead ends: 918 [2022-01-10 06:34:13,450 INFO L226 Difference]: Without dead ends: 510 [2022-01-10 06:34:13,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 06:34:13,451 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 27 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:13,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 393 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-01-10 06:34:13,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 488. [2022-01-10 06:34:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 385 states have (on average 1.2415584415584415) internal successors, (478), 410 states have internal predecessors, (478), 51 states have call successors, (51), 40 states have call predecessors, (51), 51 states have return successors, (64), 53 states have call predecessors, (64), 51 states have call successors, (64) [2022-01-10 06:34:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 593 transitions. [2022-01-10 06:34:13,470 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 593 transitions. Word has length 51 [2022-01-10 06:34:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:13,470 INFO L470 AbstractCegarLoop]: Abstraction has 488 states and 593 transitions. [2022-01-10 06:34:13,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 593 transitions. [2022-01-10 06:34:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:13,471 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:13,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:13,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:13,679 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 06:34:13,680 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:13,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1960399143, now seen corresponding path program 1 times [2022-01-10 06:34:13,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:13,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950316193] [2022-01-10 06:34:13,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:13,681 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:13,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:13,681 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 06:34:13,683 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 06:34:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:13,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:13,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:13,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:13,798 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:13,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950316193] [2022-01-10 06:34:13,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950316193] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:13,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:13,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:13,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433287807] [2022-01-10 06:34:13,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:13,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:13,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:13,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:13,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:13,799 INFO L87 Difference]: Start difference. First operand 488 states and 593 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:13,826 INFO L93 Difference]: Finished difference Result 907 states and 1116 transitions. [2022-01-10 06:34:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:34:13,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:34:13,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:13,828 INFO L225 Difference]: With dead ends: 907 [2022-01-10 06:34:13,828 INFO L226 Difference]: Without dead ends: 493 [2022-01-10 06:34:13,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 06:34:13,829 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 23 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:13,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 298 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:13,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2022-01-10 06:34:13,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 482. [2022-01-10 06:34:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 381 states have (on average 1.236220472440945) internal successors, (471), 405 states have internal predecessors, (471), 50 states have call successors, (50), 39 states have call predecessors, (50), 50 states have return successors, (63), 52 states have call predecessors, (63), 50 states have call successors, (63) [2022-01-10 06:34:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 584 transitions. [2022-01-10 06:34:13,847 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 584 transitions. Word has length 51 [2022-01-10 06:34:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:13,847 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 584 transitions. [2022-01-10 06:34:13,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 584 transitions. [2022-01-10 06:34:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-10 06:34:13,848 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:13,848 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] [2022-01-10 06:34:13,856 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 06:34:14,054 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 06:34:14,055 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:14,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:14,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1800767755, now seen corresponding path program 1 times [2022-01-10 06:34:14,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:14,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829915098] [2022-01-10 06:34:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:14,056 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:14,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:14,056 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 06:34:14,058 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 06:34:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:14,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:34:14,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:14,245 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 06:34:14,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:14,246 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:14,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829915098] [2022-01-10 06:34:14,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829915098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:14,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:14,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:34:14,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782108644] [2022-01-10 06:34:14,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:14,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:34:14,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:14,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:34:14,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:14,247 INFO L87 Difference]: Start difference. First operand 482 states and 584 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:14,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:14,353 INFO L93 Difference]: Finished difference Result 1406 states and 1729 transitions. [2022-01-10 06:34:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:34:14,353 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-01-10 06:34:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:14,356 INFO L225 Difference]: With dead ends: 1406 [2022-01-10 06:34:14,356 INFO L226 Difference]: Without dead ends: 931 [2022-01-10 06:34:14,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:14,358 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 62 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:14,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 484 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:14,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2022-01-10 06:34:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 929. [2022-01-10 06:34:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 733 states have (on average 1.2251023192360164) internal successors, (898), 775 states have internal predecessors, (898), 98 states have call successors, (98), 77 states have call predecessors, (98), 97 states have return successors, (129), 101 states have call predecessors, (129), 98 states have call successors, (129) [2022-01-10 06:34:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1125 transitions. [2022-01-10 06:34:14,388 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1125 transitions. Word has length 56 [2022-01-10 06:34:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:14,388 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1125 transitions. [2022-01-10 06:34:14,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1125 transitions. [2022-01-10 06:34:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 06:34:14,389 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:14,389 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:14,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:14,595 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 06:34:14,596 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:14,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:14,596 INFO L85 PathProgramCache]: Analyzing trace with hash 804933449, now seen corresponding path program 1 times [2022-01-10 06:34:14,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:14,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711466909] [2022-01-10 06:34:14,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:14,597 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:14,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:14,597 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 06:34:14,598 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 06:34:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:14,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:14,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:14,723 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 06:34:14,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:14,723 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:14,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711466909] [2022-01-10 06:34:14,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711466909] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:14,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:14,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:14,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923320742] [2022-01-10 06:34:14,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:14,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:14,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:14,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:14,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:14,725 INFO L87 Difference]: Start difference. First operand 929 states and 1125 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:14,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:14,786 INFO L93 Difference]: Finished difference Result 967 states and 1164 transitions. [2022-01-10 06:34:14,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:14,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-01-10 06:34:14,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:14,790 INFO L225 Difference]: With dead ends: 967 [2022-01-10 06:34:14,790 INFO L226 Difference]: Without dead ends: 965 [2022-01-10 06:34:14,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:14,791 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 60 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:14,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 461 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:14,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-01-10 06:34:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 929. [2022-01-10 06:34:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 733 states have (on average 1.208731241473397) internal successors, (886), 775 states have internal predecessors, (886), 98 states have call successors, (98), 77 states have call predecessors, (98), 97 states have return successors, (129), 101 states have call predecessors, (129), 98 states have call successors, (129) [2022-01-10 06:34:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1113 transitions. [2022-01-10 06:34:14,819 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1113 transitions. Word has length 57 [2022-01-10 06:34:14,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:14,824 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1113 transitions. [2022-01-10 06:34:14,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1113 transitions. [2022-01-10 06:34:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:34:14,824 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:14,825 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:14,835 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 06:34:15,031 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 06:34:15,031 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:15,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:15,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1321374617, now seen corresponding path program 1 times [2022-01-10 06:34:15,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:15,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135156868] [2022-01-10 06:34:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:15,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:15,033 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:15,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:34:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:15,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:15,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:15,176 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 06:34:15,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:15,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:15,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135156868] [2022-01-10 06:34:15,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135156868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:15,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:15,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:34:15,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169451416] [2022-01-10 06:34:15,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:15,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:15,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:15,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:15,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:15,177 INFO L87 Difference]: Start difference. First operand 929 states and 1113 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:15,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:15,244 INFO L93 Difference]: Finished difference Result 1799 states and 2165 transitions. [2022-01-10 06:34:15,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:15,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-01-10 06:34:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:15,247 INFO L225 Difference]: With dead ends: 1799 [2022-01-10 06:34:15,247 INFO L226 Difference]: Without dead ends: 877 [2022-01-10 06:34:15,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 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 06:34:15,249 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 49 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:15,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 743 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:15,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2022-01-10 06:34:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2022-01-10 06:34:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 681 states have (on average 1.1674008810572687) internal successors, (795), 723 states have internal predecessors, (795), 98 states have call successors, (98), 77 states have call predecessors, (98), 97 states have return successors, (122), 101 states have call predecessors, (122), 98 states have call successors, (122) [2022-01-10 06:34:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1015 transitions. [2022-01-10 06:34:15,275 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1015 transitions. Word has length 60 [2022-01-10 06:34:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:15,275 INFO L470 AbstractCegarLoop]: Abstraction has 877 states and 1015 transitions. [2022-01-10 06:34:15,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1015 transitions. [2022-01-10 06:34:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-10 06:34:15,277 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:15,277 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:15,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:15,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:15,484 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:15,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:15,484 INFO L85 PathProgramCache]: Analyzing trace with hash 966526340, now seen corresponding path program 1 times [2022-01-10 06:34:15,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:15,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693705358] [2022-01-10 06:34:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:15,485 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:15,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:15,485 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:15,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:34:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:15,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:15,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-10 06:34:15,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:15,635 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:15,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693705358] [2022-01-10 06:34:15,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693705358] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:15,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:15,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:15,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088224008] [2022-01-10 06:34:15,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:15,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:15,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:15,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:15,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:15,636 INFO L87 Difference]: Start difference. First operand 877 states and 1015 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:15,674 INFO L93 Difference]: Finished difference Result 1671 states and 1954 transitions. [2022-01-10 06:34:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:15,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 85 [2022-01-10 06:34:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:15,677 INFO L225 Difference]: With dead ends: 1671 [2022-01-10 06:34:15,677 INFO L226 Difference]: Without dead ends: 801 [2022-01-10 06:34:15,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 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 06:34:15,679 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 9 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:15,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 368 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:15,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-01-10 06:34:15,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 799. [2022-01-10 06:34:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 621 states have (on average 1.1658615136876007) internal successors, (724), 657 states have internal predecessors, (724), 90 states have call successors, (90), 75 states have call predecessors, (90), 87 states have return successors, (106), 89 states have call predecessors, (106), 90 states have call successors, (106) [2022-01-10 06:34:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 920 transitions. [2022-01-10 06:34:15,714 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 920 transitions. Word has length 85 [2022-01-10 06:34:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:15,714 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 920 transitions. [2022-01-10 06:34:15,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 920 transitions. [2022-01-10 06:34:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-01-10 06:34:15,715 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:15,715 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:15,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:15,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:15,923 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:15,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:15,923 INFO L85 PathProgramCache]: Analyzing trace with hash 981971162, now seen corresponding path program 1 times [2022-01-10 06:34:15,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:15,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126370254] [2022-01-10 06:34:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:15,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:15,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:15,924 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:15,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:34:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:15,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:15,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:34:16,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:16,120 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:16,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126370254] [2022-01-10 06:34:16,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126370254] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:16,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:16,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:16,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360344511] [2022-01-10 06:34:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:16,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:16,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:16,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:16,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:16,121 INFO L87 Difference]: Start difference. First operand 799 states and 920 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:16,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:16,193 INFO L93 Difference]: Finished difference Result 1591 states and 1846 transitions. [2022-01-10 06:34:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:16,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 89 [2022-01-10 06:34:16,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:16,197 INFO L225 Difference]: With dead ends: 1591 [2022-01-10 06:34:16,197 INFO L226 Difference]: Without dead ends: 799 [2022-01-10 06:34:16,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:16,199 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 43 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:16,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 425 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2022-01-10 06:34:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 799. [2022-01-10 06:34:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 621 states have (on average 1.1481481481481481) internal successors, (713), 657 states have internal predecessors, (713), 90 states have call successors, (90), 75 states have call predecessors, (90), 87 states have return successors, (106), 89 states have call predecessors, (106), 90 states have call successors, (106) [2022-01-10 06:34:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 909 transitions. [2022-01-10 06:34:16,224 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 909 transitions. Word has length 89 [2022-01-10 06:34:16,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:16,224 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 909 transitions. [2022-01-10 06:34:16,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 909 transitions. [2022-01-10 06:34:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-10 06:34:16,225 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:16,225 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2022-01-10 06:34:16,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:16,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:16,432 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:16,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:16,433 INFO L85 PathProgramCache]: Analyzing trace with hash -283115386, now seen corresponding path program 1 times [2022-01-10 06:34:16,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:16,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223735098] [2022-01-10 06:34:16,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:16,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:16,434 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:16,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 06:34:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:16,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:34:16,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:34:16,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:16,660 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:16,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223735098] [2022-01-10 06:34:16,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223735098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:16,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:16,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 06:34:16,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145469240] [2022-01-10 06:34:16,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:16,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 06:34:16,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:16,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 06:34:16,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:16,661 INFO L87 Difference]: Start difference. First operand 799 states and 909 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-01-10 06:34:17,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:17,089 INFO L93 Difference]: Finished difference Result 1912 states and 2211 transitions. [2022-01-10 06:34:17,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 06:34:17,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 91 [2022-01-10 06:34:17,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:17,094 INFO L225 Difference]: With dead ends: 1912 [2022-01-10 06:34:17,094 INFO L226 Difference]: Without dead ends: 1208 [2022-01-10 06:34:17,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-01-10 06:34:17,096 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 281 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:17,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 522 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:34:17,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-01-10 06:34:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1167. [2022-01-10 06:34:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 896 states have (on average 1.1305803571428572) internal successors, (1013), 946 states have internal predecessors, (1013), 133 states have call successors, (133), 120 states have call predecessors, (133), 137 states have return successors, (155), 131 states have call predecessors, (155), 133 states have call successors, (155) [2022-01-10 06:34:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1301 transitions. [2022-01-10 06:34:17,140 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1301 transitions. Word has length 91 [2022-01-10 06:34:17,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:17,141 INFO L470 AbstractCegarLoop]: Abstraction has 1167 states and 1301 transitions. [2022-01-10 06:34:17,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-01-10 06:34:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1301 transitions. [2022-01-10 06:34:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-10 06:34:17,142 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:17,142 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] [2022-01-10 06:34:17,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-01-10 06:34:17,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:17,349 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:17,349 INFO L85 PathProgramCache]: Analyzing trace with hash 900779122, now seen corresponding path program 1 times [2022-01-10 06:34:17,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:17,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398426633] [2022-01-10 06:34:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:17,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:17,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:17,351 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:17,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 06:34:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:17,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:34:17,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:34:17,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:34:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 06:34:17,859 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:17,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398426633] [2022-01-10 06:34:17,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398426633] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:34:17,859 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:34:17,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:34:17,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074520773] [2022-01-10 06:34:17,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:34:17,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:34:17,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:17,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:34:17,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:34:17,860 INFO L87 Difference]: Start difference. First operand 1167 states and 1301 transitions. Second operand has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 12 states have internal predecessors, (113), 8 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2022-01-10 06:34:18,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:18,660 INFO L93 Difference]: Finished difference Result 3143 states and 3640 transitions. [2022-01-10 06:34:18,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-10 06:34:18,661 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 12 states have internal predecessors, (113), 8 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) Word has length 93 [2022-01-10 06:34:18,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:18,667 INFO L225 Difference]: With dead ends: 3143 [2022-01-10 06:34:18,667 INFO L226 Difference]: Without dead ends: 2071 [2022-01-10 06:34:18,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 175 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2022-01-10 06:34:18,670 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 761 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:18,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 1155 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 06:34:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2022-01-10 06:34:18,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 1843. [2022-01-10 06:34:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1414 states have (on average 1.1393210749646394) internal successors, (1611), 1492 states have internal predecessors, (1611), 207 states have call successors, (207), 196 states have call predecessors, (207), 221 states have return successors, (278), 207 states have call predecessors, (278), 207 states have call successors, (278) [2022-01-10 06:34:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2096 transitions. [2022-01-10 06:34:18,739 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2096 transitions. Word has length 93 [2022-01-10 06:34:18,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:18,739 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2096 transitions. [2022-01-10 06:34:18,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 12 states have internal predecessors, (113), 8 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2022-01-10 06:34:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2096 transitions. [2022-01-10 06:34:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-10 06:34:18,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:18,742 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] [2022-01-10 06:34:18,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:18,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:18,953 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:18,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:18,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1093365584, now seen corresponding path program 1 times [2022-01-10 06:34:18,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:18,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798632974] [2022-01-10 06:34:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:18,954 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:18,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:18,955 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:18,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-01-10 06:34:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:19,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:34:19,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:34:19,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:34:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 06:34:19,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:19,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798632974] [2022-01-10 06:34:19,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798632974] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:34:19,461 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:34:19,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2022-01-10 06:34:19,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983313450] [2022-01-10 06:34:19,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:34:19,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-10 06:34:19,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:19,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-10 06:34:19,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-01-10 06:34:19,462 INFO L87 Difference]: Start difference. First operand 1843 states and 2096 transitions. Second operand has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 14 states have internal predecessors, (125), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-01-10 06:34:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:20,356 INFO L93 Difference]: Finished difference Result 4865 states and 5780 transitions. [2022-01-10 06:34:20,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-10 06:34:20,357 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 14 states have internal predecessors, (125), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 93 [2022-01-10 06:34:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:20,368 INFO L225 Difference]: With dead ends: 4865 [2022-01-10 06:34:20,368 INFO L226 Difference]: Without dead ends: 3117 [2022-01-10 06:34:20,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2022-01-10 06:34:20,373 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 1214 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:20,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1222 Valid, 771 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 06:34:20,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2022-01-10 06:34:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2749. [2022-01-10 06:34:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2113 states have (on average 1.1528632276384287) internal successors, (2436), 2217 states have internal predecessors, (2436), 320 states have call successors, (320), 308 states have call predecessors, (320), 315 states have return successors, (475), 296 states have call predecessors, (475), 320 states have call successors, (475) [2022-01-10 06:34:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3231 transitions. [2022-01-10 06:34:20,489 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3231 transitions. Word has length 93 [2022-01-10 06:34:20,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:20,489 INFO L470 AbstractCegarLoop]: Abstraction has 2749 states and 3231 transitions. [2022-01-10 06:34:20,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 14 states have internal predecessors, (125), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-01-10 06:34:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3231 transitions. [2022-01-10 06:34:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-01-10 06:34:20,494 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:20,495 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 06:34:20,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-01-10 06:34:20,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:20,702 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:20,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1983766440, now seen corresponding path program 1 times [2022-01-10 06:34:20,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:20,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920656264] [2022-01-10 06:34:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:20,703 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:20,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:20,704 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:20,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-01-10 06:34:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:20,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:34:20,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-01-10 06:34:21,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:21,057 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:21,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920656264] [2022-01-10 06:34:21,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920656264] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:21,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:21,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:21,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277425646] [2022-01-10 06:34:21,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:21,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:34:21,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:21,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:34:21,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:21,059 INFO L87 Difference]: Start difference. First operand 2749 states and 3231 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-01-10 06:34:21,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:21,232 INFO L93 Difference]: Finished difference Result 5285 states and 6247 transitions. [2022-01-10 06:34:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:34:21,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 218 [2022-01-10 06:34:21,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:21,242 INFO L225 Difference]: With dead ends: 5285 [2022-01-10 06:34:21,243 INFO L226 Difference]: Without dead ends: 2631 [2022-01-10 06:34:21,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:21,248 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 61 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:21,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 567 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:21,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2022-01-10 06:34:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631. [2022-01-10 06:34:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 2025 states have (on average 1.154074074074074) internal successors, (2337), 2121 states have internal predecessors, (2337), 311 states have call successors, (311), 299 states have call predecessors, (311), 294 states have return successors, (435), 280 states have call predecessors, (435), 311 states have call successors, (435) [2022-01-10 06:34:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3083 transitions. [2022-01-10 06:34:21,338 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3083 transitions. Word has length 218 [2022-01-10 06:34:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:21,338 INFO L470 AbstractCegarLoop]: Abstraction has 2631 states and 3083 transitions. [2022-01-10 06:34:21,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-01-10 06:34:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3083 transitions. [2022-01-10 06:34:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-01-10 06:34:21,344 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:21,344 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:21,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:21,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:21,552 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:21,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1466450622, now seen corresponding path program 1 times [2022-01-10 06:34:21,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:21,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163666044] [2022-01-10 06:34:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:21,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:21,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:21,553 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:21,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-01-10 06:34:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:21,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:21,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-01-10 06:34:21,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:21,919 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:21,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163666044] [2022-01-10 06:34:21,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163666044] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:21,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:21,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:21,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563587611] [2022-01-10 06:34:21,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:21,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:21,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:21,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:21,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:21,921 INFO L87 Difference]: Start difference. First operand 2631 states and 3083 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-01-10 06:34:21,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:21,954 INFO L93 Difference]: Finished difference Result 2889 states and 3369 transitions. [2022-01-10 06:34:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:21,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 220 [2022-01-10 06:34:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:21,955 INFO L225 Difference]: With dead ends: 2889 [2022-01-10 06:34:21,955 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:34:21,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 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 06:34:21,960 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 36 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:21,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 347 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:21,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:34:21,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:34:21,960 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 06:34:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:34:21,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2022-01-10 06:34:21,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:21,961 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:34:21,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-01-10 06:34:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:34:21,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:34:21,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:21,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:22,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:22,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:34:25,928 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2022-01-10 06:34:25,928 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2022-01-10 06:34:25,928 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 596 607) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 (not (= (_ bv1 32) ~pumpRunning~0))))) [2022-01-10 06:34:25,928 INFO L858 garLoopResultBuilder]: For program point L600-1(lines 596 607) no Hoare annotation was computed. [2022-01-10 06:34:25,928 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 596 607) no Hoare annotation was computed. [2022-01-10 06:34:25,928 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 608 616) the Hoare annotation is: true [2022-01-10 06:34:25,928 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 608 616) no Hoare annotation was computed. [2022-01-10 06:34:25,929 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 608 616) no Hoare annotation was computed. [2022-01-10 06:34:25,929 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L576-2(lines 572 583) the Hoare annotation is: (let ((.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse3 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse5))) [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse2))) [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L560(lines 555 562) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse2))) [2022-01-10 06:34:25,929 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 804) no Hoare annotation was computed. [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L895(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (and (= (_ bv0 32) |timeShift_isLowWaterLevel_~tmp~10#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~3#1|) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse2) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse1 .cse7 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse2))) [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L668(lines 663 671) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3 .cse6) (or .cse4 .cse0 .cse1 .cse7) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse7 .cse6) (or .cse0 .cse1 .cse2 .cse7))) [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse3 .cse7))) [2022-01-10 06:34:25,929 INFO L854 garLoopResultBuilder]: At program point L858-1(lines 839 863) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse10 .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (and (= (_ bv0 32) |timeShift_isLowWaterLevel_~tmp~10#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~3#1|) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10)) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse9) .cse6) (or .cse5 .cse0 .cse3 .cse7 .cse8)))) [2022-01-10 06:34:25,929 INFO L858 garLoopResultBuilder]: For program point L792-1(lines 792 798) no Hoare annotation was computed. [2022-01-10 06:34:25,929 INFO L858 garLoopResultBuilder]: For program point L982(lines 982 986) no Hoare annotation was computed. [2022-01-10 06:34:25,929 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 702) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L854 garLoopResultBuilder]: At program point L689-1(lines 674 706) the Hoare annotation is: (let ((.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse19 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| (_ bv1 32)))) (let ((.cse8 (= |timeShift_getWaterLevel_#res#1| (_ bv1 32))) (.cse10 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse7 .cse9 .cse19)) (.cse13 (= (_ bv0 32) |timeShift_isLowWaterLevel_~tmp~10#1|)) (.cse14 (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32))) (.cse15 (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32))) (.cse16 (= ~waterLevel~0 (_ bv1 32))) (.cse17 (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~3#1|)) (.cse18 (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse12 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)) (.cse6 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1|)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11) (or .cse0 .cse1 .cse11 .cse12 (and .cse13 .cse14 .cse15 .cse16 .cse5 .cse17 .cse18 (= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| (_ bv1 32)) .cse7 .cse8)) (or .cse1 .cse2 .cse10 .cse3 .cse4) (or .cse0 .cse1 (and .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse7 .cse19) .cse3 .cse12) (or .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse6 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|) .cse9) .cse2 .cse11)))) [2022-01-10 06:34:25,930 INFO L854 garLoopResultBuilder]: At program point L681(line 681) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (and .cse10 .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse7 (and (= (_ bv0 32) |timeShift_isLowWaterLevel_~tmp~10#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~3#1|) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse10)) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse9) .cse6) (or .cse5 .cse0 .cse3 .cse7 .cse8)))) [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L681-1(line 681) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L785-1(lines 784 803) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L854 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= |timeShift_getWaterLevel_#res#1| (_ bv1 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse10 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|) .cse3) .cse4 .cse5) (or .cse1 .cse4 (and .cse2 .cse6 .cse7 .cse3) .cse8 .cse5) (or .cse1 .cse4 .cse8 .cse9) (or .cse0 .cse1 .cse4 .cse9) (or .cse0 .cse1 .cse9 .cse10) (or .cse0 .cse1 (and (= (_ bv0 32) |timeShift_isLowWaterLevel_~tmp~10#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~3#1|) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse6 .cse7) .cse5 .cse10))) [2022-01-10 06:34:25,930 INFO L854 garLoopResultBuilder]: At program point L988(lines 973 991) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (and (= (_ bv0 32) |timeShift_isLowWaterLevel_~tmp~10#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~3#1|) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse2) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse1 .cse7 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse2))) [2022-01-10 06:34:25,930 INFO L854 garLoopResultBuilder]: At program point L914(lines 909 917) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= |timeShift_isPumpRunning_#res#1| (_ bv1 32)) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|) (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1|) (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse2))) [2022-01-10 06:34:25,930 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 781 804) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (and (= (_ bv0 32) ~pumpRunning~0) .cse9)) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse9)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse3 .cse8)))) [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point L683(lines 683 703) no Hoare annotation was computed. [2022-01-10 06:34:25,930 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 804) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-01-10 06:34:25,931 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-01-10 06:34:25,931 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L854 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-01-10 06:34:25,931 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L764(lines 719 766) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2022-01-10 06:34:25,932 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse5 .cse1 .cse3) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2022-01-10 06:34:25,932 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L757-2(lines 749 762) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse3) (and .cse2 .cse7 .cse5 .cse3 .cse4))) [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse6 .cse5 .cse3 .cse4))) [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L997(lines 992 999) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse5 .cse3) (and .cse2 .cse7 .cse5 .cse3 .cse4))) [2022-01-10 06:34:25,932 INFO L861 garLoopResultBuilder]: At program point L770(lines 709 774) the Hoare annotation is: true [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 813 837) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2022-01-10 06:34:25,932 INFO L854 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2022-01-10 06:34:25,932 INFO L858 garLoopResultBuilder]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L880-2(lines 873 889) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 .cse2 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse9 (and .cse3 .cse4 .cse5 .cse6 (= (_ bv0 32) ~pumpRunning~0))) (or .cse0 .cse2 .cse9 .cse8))) [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L969(lines 954 972) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse7 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (and .cse8 .cse9 (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse10)) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not .cse9)) (.cse5 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse6 (and (= (_ bv1 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| (_ bv0 32)) .cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv1 32)) .cse9 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) .cse10)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse7) (or .cse0 .cse1 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse2)))) [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L905(lines 898 908) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse7)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse5 .cse6) (or .cse0 .cse2 .cse4 .cse6)))) [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| (_ bv0 32)) .cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse7)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse6)))) [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 813 837) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not .cse7)) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| (_ bv0 32)) .cse7 (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse6) (or .cse0 .cse5 .cse2 .cse4 .cse6)))) [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L658(lines 649 662) the Hoare annotation is: (let ((.cse8 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) .cse8)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse7 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse6 .cse7)))) [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L854 garLoopResultBuilder]: At program point L869(lines 864 871) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| (_ bv0 32)) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse5))) [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 584 595) no Hoare annotation was computed. [2022-01-10 06:34:25,933 INFO L858 garLoopResultBuilder]: For program point L588-1(lines 584 595) no Hoare annotation was computed. [2022-01-10 06:34:25,934 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 584 595) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse1 .cse5 (not (= (_ bv1 32) ~pumpRunning~0)) .cse4) (or .cse6 .cse0 .cse1 .cse3 .cse4))) [2022-01-10 06:34:25,936 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:25,936 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:25,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:25 BoogieIcfgContainer [2022-01-10 06:34:25,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:25,963 INFO L158 Benchmark]: Toolchain (without parser) took 17017.89ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 134.5MB in the beginning and 143.4MB in the end (delta: -8.9MB). Peak memory consumption was 146.5MB. Max. memory is 8.0GB. [2022-01-10 06:34:25,963 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:25,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.55ms. Allocated memory is still 185.6MB. Free memory was 134.3MB in the beginning and 147.0MB in the end (delta: -12.7MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-01-10 06:34:25,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.68ms. Allocated memory is still 185.6MB. Free memory was 147.0MB in the beginning and 144.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:25,964 INFO L158 Benchmark]: Boogie Preprocessor took 19.64ms. Allocated memory is still 185.6MB. Free memory was 144.4MB in the beginning and 142.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:34:25,964 INFO L158 Benchmark]: RCFGBuilder took 352.68ms. Allocated memory is still 185.6MB. Free memory was 142.3MB in the beginning and 124.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:25,964 INFO L158 Benchmark]: TraceAbstraction took 16179.69ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 124.0MB in the beginning and 143.4MB in the end (delta: -19.4MB). Peak memory consumption was 135.3MB. Max. memory is 8.0GB. [2022-01-10 06:34:25,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 424.55ms. Allocated memory is still 185.6MB. Free memory was 134.3MB in the beginning and 147.0MB in the end (delta: -12.7MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.68ms. Allocated memory is still 185.6MB. Free memory was 147.0MB in the beginning and 144.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.64ms. Allocated memory is still 185.6MB. Free memory was 144.4MB in the beginning and 142.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 352.68ms. Allocated memory is still 185.6MB. Free memory was 142.3MB in the beginning and 124.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 16179.69ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 124.0MB in the beginning and 143.4MB in the end (delta: -19.4MB). Peak memory consumption was 135.3MB. 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: 559]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 19, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3332 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3276 mSDsluCounter, 8417 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5970 mSDsCounter, 826 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3133 IncrementalHoareTripleChecker+Invalid, 3959 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 826 mSolverCounterUnsat, 2447 mSDtfsCounter, 3133 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1678 GetRequests, 1526 SyntacticMatches, 6 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2749occurred in iteration=17, InterpolantAutomatonStates: 155, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 770 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 6603 PreInvPairs, 6698 NumberOfFragments, 3387 HoareAnnotationTreeSize, 6603 FomulaSimplifications, 383 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2181 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1432 NumberOfCodeBlocks, 1432 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1597 ConstructedInterpolants, 0 QuantifiedInterpolants, 3400 SizeOfPredicates, 46 NumberOfNonLiveVariables, 4255 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 852/892 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: 555]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || ((((1bv32 == pumpRunning && tmp == 0bv32) && methaneLevelCritical == tmp) && \result == 0bv32) && methaneLevelCritical == \result)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: ((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || (((((0bv32 == tmp && \result == 0bv32) && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || (((((0bv32 == tmp && \result == 0bv32) && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: ((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((0bv32 == pumpRunning && waterLevel == \old(waterLevel)) && tmp == 1bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((((methaneLevelCritical == tmp && waterLevel == tmp___0) && 0bv32 == pumpRunning) && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || (((((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == tmp) && 1bv32 == tmp___0) && \result == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) && \result == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || ((0bv32 == pumpRunning && waterLevel == \old(waterLevel)) && tmp == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 2bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((waterLevel == 2bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((1bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || ((((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32)) || ((((systemActive == 1bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || ((((1bv32 == pumpRunning && tmp == 0bv32) && methaneLevelCritical == tmp) && \result == 0bv32) && methaneLevelCritical == \result)) || !(methaneLevelCritical == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((((tmp == 0bv32 && methaneLevelCritical == tmp) && \result == 0bv32) && methaneLevelCritical == \result) && 0bv32 == pumpRunning))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || (((((tmp == 0bv32 && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == \result) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || (((((tmp == 0bv32 && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == \result) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || ((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || ((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || ((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || ((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && 1bv32 == tmp___0) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (((((1bv32 == pumpRunning && \result == 1bv32) && methaneLevelCritical == tmp) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 0bv32 && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 0bv32 && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || (\old(pumpRunning) == pumpRunning && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || (\old(pumpRunning) == pumpRunning && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((((1bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || ((((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((((systemActive == 1bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((((\old(pumpRunning) == pumpRunning && systemActive == 1bv32) && 0bv32 == tmp___0) && \result == 0bv32) && 0bv32 == pumpRunning)) || !(waterLevel == 1bv32)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || ((((((1bv32 == tmp___0 && tmp == 0bv32) && \old(pumpRunning) == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || ((((\old(pumpRunning) == pumpRunning && systemActive == 1bv32) && 0bv32 == tmp___0) && \result == 0bv32) && 0bv32 == pumpRunning)) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || ((((((1bv32 == tmp___0 && tmp == 0bv32) && \old(pumpRunning) == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == \result) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (((methaneLevelCritical == tmp && 0bv32 == pumpRunning) && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((((0bv32 == tmp && \result == 0bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == tmp) && 1bv32 == tmp___0) && \result == 1bv32) && 0bv32 == pumpRunning) && \result == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:34:26,004 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...