/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:06,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:06,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:06,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:06,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:06,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:06,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:06,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:06,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:06,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:06,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:06,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:06,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:06,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:06,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:06,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:06,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:06,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:06,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:06,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:06,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:06,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:06,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:06,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:06,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:06,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:06,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:06,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:06,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:06,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:06,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:06,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:06,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:06,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:06,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:06,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:06,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:06,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:06,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:06,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:06,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:06,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:06,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:06,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:06,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:06,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:06,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:06,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:06,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:06,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:06,541 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:06,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:06,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:06,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:06,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:06,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:06,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:06,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:06,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:06,543 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:06,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:06,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:06,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:06,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:06,891 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:06,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2022-01-10 06:33:06,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0b44325/9aa9b678f8594d4c95bea9c19c65dd28/FLAGba502f455 [2022-01-10 06:33:07,420 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:07,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2022-01-10 06:33:07,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0b44325/9aa9b678f8594d4c95bea9c19c65dd28/FLAGba502f455 [2022-01-10 06:33:07,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0b44325/9aa9b678f8594d4c95bea9c19c65dd28 [2022-01-10 06:33:07,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:07,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:07,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:07,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:07,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:07,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:07" (1/1) ... [2022-01-10 06:33:07,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd1d820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:07, skipping insertion in model container [2022-01-10 06:33:07,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:07" (1/1) ... [2022-01-10 06:33:07,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:07,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:07,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-01-10 06:33:07,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:07,935 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:07,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:08,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-01-10 06:33:08,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:08,036 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:08,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-01-10 06:33:08,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:08,095 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:08,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08 WrapperNode [2022-01-10 06:33:08,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:08,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:08,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:08,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:08,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,144 INFO L137 Inliner]: procedures = 57, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 235 [2022-01-10 06:33:08,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:08,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:08,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:08,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:08,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:08,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:08,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:08,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:08,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (1/1) ... [2022-01-10 06:33:08,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:08,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:08,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:33:08,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:33:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:33:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:33:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:08,290 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:08,291 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:08,483 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:08,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:08,488 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:08,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:08 BoogieIcfgContainer [2022-01-10 06:33:08,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:08,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:08,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:08,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:08,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:07" (1/3) ... [2022-01-10 06:33:08,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49eb7d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:08, skipping insertion in model container [2022-01-10 06:33:08,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:08" (2/3) ... [2022-01-10 06:33:08,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49eb7d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:08, skipping insertion in model container [2022-01-10 06:33:08,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:08" (3/3) ... [2022-01-10 06:33:08,494 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2022-01-10 06:33:08,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:08,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:08,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:08,531 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:33:08,531 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:33:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:08,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:08,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:08,548 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:08,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:08,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1869668402, now seen corresponding path program 1 times [2022-01-10 06:33:08,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:08,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570793237] [2022-01-10 06:33:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:08,560 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:08,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:08,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:08,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:08,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:08,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:08,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:08,769 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:08,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570793237] [2022-01-10 06:33:08,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570793237] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:08,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:08,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:08,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283258855] [2022-01-10 06:33:08,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:08,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:08,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:08,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:08,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:08,806 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:08,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:08,847 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2022-01-10 06:33:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:08,848 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:08,858 INFO L225 Difference]: With dead ends: 181 [2022-01-10 06:33:08,858 INFO L226 Difference]: Without dead ends: 86 [2022-01-10 06:33:08,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:08,864 INFO L933 BasicCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:08,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-01-10 06:33:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-01-10 06:33:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-01-10 06:33:08,911 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2022-01-10 06:33:08,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:08,912 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-01-10 06:33:08,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-01-10 06:33:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:08,915 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:08,916 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:08,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:09,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:09,124 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:09,127 INFO L85 PathProgramCache]: Analyzing trace with hash 224653099, now seen corresponding path program 1 times [2022-01-10 06:33:09,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:09,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896072226] [2022-01-10 06:33:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:09,129 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:09,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:09,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:09,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:09,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:09,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:09,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:09,273 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:09,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896072226] [2022-01-10 06:33:09,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896072226] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:09,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:09,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:09,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582900817] [2022-01-10 06:33:09,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:09,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:09,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:09,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:09,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:09,276 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:09,295 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2022-01-10 06:33:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:09,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:09,299 INFO L225 Difference]: With dead ends: 137 [2022-01-10 06:33:09,299 INFO L226 Difference]: Without dead ends: 77 [2022-01-10 06:33:09,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:09,301 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:09,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:09,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-01-10 06:33:09,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-01-10 06:33:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-01-10 06:33:09,309 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2022-01-10 06:33:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:09,309 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-01-10 06:33:09,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-01-10 06:33:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:33:09,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:09,310 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] [2022-01-10 06:33:09,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:09,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:09,517 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:09,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:09,518 INFO L85 PathProgramCache]: Analyzing trace with hash 13787135, now seen corresponding path program 1 times [2022-01-10 06:33:09,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:09,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431744188] [2022-01-10 06:33:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:09,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:09,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:09,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:09,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:09,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:09,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:09,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:09,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:09,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431744188] [2022-01-10 06:33:09,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431744188] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:09,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:09,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:09,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899377763] [2022-01-10 06:33:09,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:09,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:09,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:09,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:09,731 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:09,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:09,737 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2022-01-10 06:33:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:09,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 30 [2022-01-10 06:33:09,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:09,738 INFO L225 Difference]: With dead ends: 146 [2022-01-10 06:33:09,738 INFO L226 Difference]: Without dead ends: 77 [2022-01-10 06:33:09,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:09,740 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:09,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-01-10 06:33:09,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-01-10 06:33:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-01-10 06:33:09,745 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 30 [2022-01-10 06:33:09,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:09,746 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-01-10 06:33:09,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-01-10 06:33:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-10 06:33:09,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:09,747 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] [2022-01-10 06:33:09,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:09,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:09,954 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash 689914158, now seen corresponding path program 1 times [2022-01-10 06:33:09,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:09,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568739466] [2022-01-10 06:33:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:09,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:09,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:09,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:10,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:10,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:10,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:10,218 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:10,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568739466] [2022-01-10 06:33:10,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568739466] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:10,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:10,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:10,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525359425] [2022-01-10 06:33:10,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:10,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:10,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:10,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:10,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:10,223 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 06:33:10,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:10,387 INFO L93 Difference]: Finished difference Result 223 states and 284 transitions. [2022-01-10 06:33:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:10,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 40 [2022-01-10 06:33:10,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:10,389 INFO L225 Difference]: With dead ends: 223 [2022-01-10 06:33:10,389 INFO L226 Difference]: Without dead ends: 154 [2022-01-10 06:33:10,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 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 06:33:10,390 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 230 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:10,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 300 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:10,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-01-10 06:33:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2022-01-10 06:33:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 120 states have internal predecessors, (142), 18 states have call successors, (18), 14 states have call predecessors, (18), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21) [2022-01-10 06:33:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2022-01-10 06:33:10,403 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 40 [2022-01-10 06:33:10,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:10,403 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2022-01-10 06:33:10,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 06:33:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2022-01-10 06:33:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 06:33:10,425 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:10,425 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] [2022-01-10 06:33:10,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:33:10,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:10,632 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:10,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:10,633 INFO L85 PathProgramCache]: Analyzing trace with hash 603540022, now seen corresponding path program 1 times [2022-01-10 06:33:10,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:10,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24471504] [2022-01-10 06:33:10,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:10,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:10,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:10,634 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:10,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:33:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:10,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:10,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:10,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:10,833 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:10,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24471504] [2022-01-10 06:33:10,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24471504] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:10,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:10,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:10,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867927700] [2022-01-10 06:33:10,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:10,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:10,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:10,835 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:10,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:10,903 INFO L93 Difference]: Finished difference Result 426 states and 526 transitions. [2022-01-10 06:33:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:10,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2022-01-10 06:33:10,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:10,905 INFO L225 Difference]: With dead ends: 426 [2022-01-10 06:33:10,905 INFO L226 Difference]: Without dead ends: 286 [2022-01-10 06:33:10,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:10,907 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 53 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:10,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 464 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-01-10 06:33:10,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 274. [2022-01-10 06:33:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 203 states have (on average 1.2266009852216748) internal successors, (249), 218 states have internal predecessors, (249), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:33:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 329 transitions. [2022-01-10 06:33:10,925 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 329 transitions. Word has length 46 [2022-01-10 06:33:10,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:10,925 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 329 transitions. [2022-01-10 06:33:10,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 329 transitions. [2022-01-10 06:33:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:33:10,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:10,927 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] [2022-01-10 06:33:10,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 06:33:11,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:11,134 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:11,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:11,134 INFO L85 PathProgramCache]: Analyzing trace with hash 735697106, now seen corresponding path program 1 times [2022-01-10 06:33:11,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:11,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135504713] [2022-01-10 06:33:11,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:11,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:11,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:11,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:11,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:33:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:11,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:11,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:11,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:11,288 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:11,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135504713] [2022-01-10 06:33:11,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135504713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:11,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:11,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:33:11,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780518450] [2022-01-10 06:33:11,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:11,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:11,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:11,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:11,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:11,291 INFO L87 Difference]: Start difference. First operand 274 states and 329 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:11,496 INFO L93 Difference]: Finished difference Result 552 states and 661 transitions. [2022-01-10 06:33:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:33:11,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-01-10 06:33:11,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:11,498 INFO L225 Difference]: With dead ends: 552 [2022-01-10 06:33:11,498 INFO L226 Difference]: Without dead ends: 286 [2022-01-10 06:33:11,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:33:11,500 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 116 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:11,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 372 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:11,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-01-10 06:33:11,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 272. [2022-01-10 06:33:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 201 states have (on average 1.208955223880597) internal successors, (243), 216 states have internal predecessors, (243), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:33:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 323 transitions. [2022-01-10 06:33:11,517 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 323 transitions. Word has length 50 [2022-01-10 06:33:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:11,517 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 323 transitions. [2022-01-10 06:33:11,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 323 transitions. [2022-01-10 06:33:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:33:11,518 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:11,519 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 06:33:11,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 06:33:11,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:11,728 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:11,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash 25989529, now seen corresponding path program 1 times [2022-01-10 06:33:11,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:11,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577624237] [2022-01-10 06:33:11,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:11,731 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:11,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:11,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:11,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:33:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:11,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:11,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:11,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:11,878 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:11,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577624237] [2022-01-10 06:33:11,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577624237] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:11,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:11,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:11,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406754305] [2022-01-10 06:33:11,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:11,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:11,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:11,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:11,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:11,882 INFO L87 Difference]: Start difference. First operand 272 states and 323 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:11,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:11,924 INFO L93 Difference]: Finished difference Result 552 states and 666 transitions. [2022-01-10 06:33:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:11,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-01-10 06:33:11,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:11,928 INFO L225 Difference]: With dead ends: 552 [2022-01-10 06:33:11,928 INFO L226 Difference]: Without dead ends: 288 [2022-01-10 06:33:11,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:11,931 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 10 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:11,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 377 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-01-10 06:33:11,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 278. [2022-01-10 06:33:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 207 states have (on average 1.2028985507246377) internal successors, (249), 222 states have internal predecessors, (249), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:33:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 329 transitions. [2022-01-10 06:33:11,951 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 329 transitions. Word has length 60 [2022-01-10 06:33:11,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:11,951 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 329 transitions. [2022-01-10 06:33:11,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 329 transitions. [2022-01-10 06:33:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:33:11,956 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:11,956 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 06:33:11,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:12,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,163 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:12,164 INFO L85 PathProgramCache]: Analyzing trace with hash 727589403, now seen corresponding path program 1 times [2022-01-10 06:33:12,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:12,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982132272] [2022-01-10 06:33:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:12,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:12,168 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:12,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:33:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:12,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:12,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:12,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:12,306 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:12,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982132272] [2022-01-10 06:33:12,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982132272] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:12,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:12,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:12,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189887435] [2022-01-10 06:33:12,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:12,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:12,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:12,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:12,307 INFO L87 Difference]: Start difference. First operand 278 states and 329 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:12,328 INFO L93 Difference]: Finished difference Result 564 states and 678 transitions. [2022-01-10 06:33:12,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:12,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-01-10 06:33:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:12,330 INFO L225 Difference]: With dead ends: 564 [2022-01-10 06:33:12,330 INFO L226 Difference]: Without dead ends: 294 [2022-01-10 06:33:12,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:12,332 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 11 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:12,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 285 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-01-10 06:33:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2022-01-10 06:33:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 211 states have (on average 1.1990521327014219) internal successors, (253), 226 states have internal predecessors, (253), 36 states have call successors, (36), 28 states have call predecessors, (36), 34 states have return successors, (44), 38 states have call predecessors, (44), 36 states have call successors, (44) [2022-01-10 06:33:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 333 transitions. [2022-01-10 06:33:12,344 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 333 transitions. Word has length 60 [2022-01-10 06:33:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:12,344 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 333 transitions. [2022-01-10 06:33:12,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 333 transitions. [2022-01-10 06:33:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:33:12,346 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:12,346 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 06:33:12,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:12,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,553 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:12,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:12,553 INFO L85 PathProgramCache]: Analyzing trace with hash 655202845, now seen corresponding path program 1 times [2022-01-10 06:33:12,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:12,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669467675] [2022-01-10 06:33:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:12,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:12,554 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:12,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:33:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:12,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:12,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:33:12,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:12,687 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:12,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669467675] [2022-01-10 06:33:12,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669467675] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:12,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:12,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:12,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199761633] [2022-01-10 06:33:12,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:12,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:12,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:12,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:12,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:12,688 INFO L87 Difference]: Start difference. First operand 282 states and 333 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:12,704 INFO L93 Difference]: Finished difference Result 646 states and 775 transitions. [2022-01-10 06:33:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:12,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-01-10 06:33:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:12,706 INFO L225 Difference]: With dead ends: 646 [2022-01-10 06:33:12,706 INFO L226 Difference]: Without dead ends: 372 [2022-01-10 06:33:12,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:12,707 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 32 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:12,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 189 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-01-10 06:33:12,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-01-10 06:33:12,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 279 states have (on average 1.1863799283154122) internal successors, (331), 296 states have internal predecessors, (331), 48 states have call successors, (48), 40 states have call predecessors, (48), 44 states have return successors, (57), 48 states have call predecessors, (57), 48 states have call successors, (57) [2022-01-10 06:33:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 436 transitions. [2022-01-10 06:33:12,718 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 436 transitions. Word has length 60 [2022-01-10 06:33:12,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:12,719 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 436 transitions. [2022-01-10 06:33:12,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:33:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 436 transitions. [2022-01-10 06:33:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-10 06:33:12,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:12,720 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:12,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:12,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,927 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:12,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:12,927 INFO L85 PathProgramCache]: Analyzing trace with hash 815870135, now seen corresponding path program 1 times [2022-01-10 06:33:12,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:12,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351603031] [2022-01-10 06:33:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:12,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:12,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:12,929 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:12,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:33:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:12,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:12,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:13,141 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 06:33:13,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:13,141 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:13,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351603031] [2022-01-10 06:33:13,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351603031] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:13,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:13,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:33:13,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148987261] [2022-01-10 06:33:13,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:13,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:33:13,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:13,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:33:13,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:13,142 INFO L87 Difference]: Start difference. First operand 372 states and 436 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:13,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:13,238 INFO L93 Difference]: Finished difference Result 723 states and 849 transitions. [2022-01-10 06:33:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:33:13,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2022-01-10 06:33:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:13,240 INFO L225 Difference]: With dead ends: 723 [2022-01-10 06:33:13,240 INFO L226 Difference]: Without dead ends: 359 [2022-01-10 06:33:13,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:13,241 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 61 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:13,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 782 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:13,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2022-01-10 06:33:13,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2022-01-10 06:33:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 267 states have (on average 1.1685393258426966) internal successors, (312), 283 states have internal predecessors, (312), 47 states have call successors, (47), 40 states have call predecessors, (47), 42 states have return successors, (51), 46 states have call predecessors, (51), 47 states have call successors, (51) [2022-01-10 06:33:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 410 transitions. [2022-01-10 06:33:13,251 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 410 transitions. Word has length 64 [2022-01-10 06:33:13,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:13,251 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 410 transitions. [2022-01-10 06:33:13,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:33:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 410 transitions. [2022-01-10 06:33:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 06:33:13,252 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:13,252 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:13,259 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 06:33:13,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:13,458 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:13,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:13,459 INFO L85 PathProgramCache]: Analyzing trace with hash -588628340, now seen corresponding path program 1 times [2022-01-10 06:33:13,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:13,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738129303] [2022-01-10 06:33:13,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:13,461 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:13,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:13,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:33:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:13,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:13,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 06:33:13,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:33:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-01-10 06:33:14,136 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:14,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738129303] [2022-01-10 06:33:14,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738129303] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:33:14,136 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:33:14,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2022-01-10 06:33:14,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201104088] [2022-01-10 06:33:14,136 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:33:14,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-10 06:33:14,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:14,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-10 06:33:14,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-01-10 06:33:14,137 INFO L87 Difference]: Start difference. First operand 357 states and 410 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 8 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (21), 6 states have call predecessors, (21), 8 states have call successors, (21) [2022-01-10 06:33:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:14,604 INFO L93 Difference]: Finished difference Result 1182 states and 1429 transitions. [2022-01-10 06:33:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 06:33:14,604 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 8 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (21), 6 states have call predecessors, (21), 8 states have call successors, (21) Word has length 108 [2022-01-10 06:33:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:14,607 INFO L225 Difference]: With dead ends: 1182 [2022-01-10 06:33:14,608 INFO L226 Difference]: Without dead ends: 923 [2022-01-10 06:33:14,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-01-10 06:33:14,609 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 531 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:14,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 452 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:33:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2022-01-10 06:33:14,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 889. [2022-01-10 06:33:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 662 states have (on average 1.1661631419939578) internal successors, (772), 704 states have internal predecessors, (772), 118 states have call successors, (118), 98 states have call predecessors, (118), 108 states have return successors, (148), 114 states have call predecessors, (148), 118 states have call successors, (148) [2022-01-10 06:33:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1038 transitions. [2022-01-10 06:33:14,660 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1038 transitions. Word has length 108 [2022-01-10 06:33:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:14,661 INFO L470 AbstractCegarLoop]: Abstraction has 889 states and 1038 transitions. [2022-01-10 06:33:14,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 8 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (21), 6 states have call predecessors, (21), 8 states have call successors, (21) [2022-01-10 06:33:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1038 transitions. [2022-01-10 06:33:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 06:33:14,663 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:14,663 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:14,680 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 06:33:14,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,871 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:14,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:14,872 INFO L85 PathProgramCache]: Analyzing trace with hash 255377162, now seen corresponding path program 1 times [2022-01-10 06:33:14,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:14,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800710288] [2022-01-10 06:33:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:14,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:14,873 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:14,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:33:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:14,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:14,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:33:15,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:15,159 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:15,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800710288] [2022-01-10 06:33:15,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800710288] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:15,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:15,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 06:33:15,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358789444] [2022-01-10 06:33:15,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:15,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:33:15,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:15,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:33:15,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:33:15,160 INFO L87 Difference]: Start difference. First operand 889 states and 1038 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:33:15,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:15,304 INFO L93 Difference]: Finished difference Result 1598 states and 1872 transitions. [2022-01-10 06:33:15,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:33:15,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-01-10 06:33:15,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:15,312 INFO L225 Difference]: With dead ends: 1598 [2022-01-10 06:33:15,312 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:33:15,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:33:15,315 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 68 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:15,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 771 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:15,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:33:15,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:33:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:33:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:33:15,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-01-10 06:33:15,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:15,315 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:33:15,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-01-10 06:33:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:33:15,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:33:15,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:15,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-01-10 06:33:15,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:33:20,083 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 566 572) no Hoare annotation was computed. [2022-01-10 06:33:20,085 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 566 572) the Hoare annotation is: true [2022-01-10 06:33:20,085 INFO L858 garLoopResultBuilder]: For program point L830-1(lines 826 837) no Hoare annotation was computed. [2022-01-10 06:33:20,085 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 826 837) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))))) (and (or .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv1 32))))) [2022-01-10 06:33:20,085 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 826 837) no Hoare annotation was computed. [2022-01-10 06:33:20,085 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 838 846) the Hoare annotation is: true [2022-01-10 06:33:20,085 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 838 846) no Hoare annotation was computed. [2022-01-10 06:33:20,085 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 838 846) no Hoare annotation was computed. [2022-01-10 06:33:20,086 INFO L854 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) (.cse9 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse8 (and .cse0 .cse11))) (and (or (and .cse0 .cse1) .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7 .cse5 .cse8) (or .cse9 .cse2 .cse7 .cse10 .cse4) (or .cse2 .cse7 (and (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32)) .cse0 .cse1) .cse4 .cse5) (or .cse2 .cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3 .cse0) (or .cse9 .cse2 .cse10 .cse3 .cse4) (or .cse2 .cse6 .cse3 (and (bvsgt ~waterLevel~0 (_ bv0 32)) .cse11) .cse5 .cse8)))) [2022-01-10 06:33:20,086 INFO L854 garLoopResultBuilder]: At program point L655(lines 650 657) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) (.cse3 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse7 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (and (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32)) .cse5 .cse6) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse7 .cse0 .cse4 .cse8) (or (and .cse5 .cse6) .cse0 .cse2 .cse3) (or .cse7 .cse0 .cse8 .cse2))) [2022-01-10 06:33:20,087 INFO L858 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2022-01-10 06:33:20,087 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 542 565) no Hoare annotation was computed. [2022-01-10 06:33:20,087 INFO L854 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 (and (not (= (_ bv0 32) ~pumpRunning~0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2022-01-10 06:33:20,087 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 06:33:20,087 INFO L854 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (let ((.cse1 (and (not (= (_ bv0 32) ~pumpRunning~0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse0 .cse2 .cse6) (or .cse5 .cse0 .cse6 .cse4))) [2022-01-10 06:33:20,087 INFO L858 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-01-10 06:33:20,088 INFO L854 garLoopResultBuilder]: At program point L619(line 619) the Hoare annotation is: (let ((.cse3 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse2 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse2))) [2022-01-10 06:33:20,088 INFO L854 garLoopResultBuilder]: At program point L619-1(lines 600 624) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) (.cse9 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse8 (and .cse0 .cse11))) (and (or (and .cse0 .cse1) .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7 .cse5 .cse8) (or .cse9 .cse2 .cse7 .cse10 .cse4) (or .cse2 .cse7 (and (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32)) .cse0 .cse1) .cse4 .cse5) (or .cse2 .cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3 .cse0) (or .cse9 .cse2 .cse10 .cse3 .cse4) (or .cse2 .cse6 .cse3 (and (bvsgt ~waterLevel~0 (_ bv0 32)) .cse11) .cse5 .cse8)))) [2022-01-10 06:33:20,088 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2022-01-10 06:33:20,088 INFO L854 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse1))) [2022-01-10 06:33:20,088 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 960) no Hoare annotation was computed. [2022-01-10 06:33:20,088 INFO L858 garLoopResultBuilder]: For program point L946(lines 946 963) no Hoare annotation was computed. [2022-01-10 06:33:20,089 INFO L854 garLoopResultBuilder]: At program point L946-1(lines 938 966) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| (_ bv0 32))) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) (.cse6 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse7 (not .cse5)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) .cse3 (and .cse1 .cse4 .cse2) .cse5 .cse6) (or .cse0 .cse7 .cse3 (and .cse1 .cse4 .cse8) .cse6 (and (bvsgt ~waterLevel~0 (_ bv0 32)) .cse1 .cse8)) (or .cse0 .cse7 .cse9 .cse6 (and .cse4 .cse8)) (or .cse10 .cse0 .cse9 .cse11 .cse5) (or .cse0 .cse9 (and (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32)) .cse4 .cse2) .cse5 .cse6) (or .cse0 .cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3 .cse4) (or .cse10 .cse0 .cse11 .cse3 .cse5)))) [2022-01-10 06:33:20,089 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-01-10 06:33:20,089 INFO L854 garLoopResultBuilder]: At program point L806-2(lines 802 813) the Hoare annotation is: (let ((.cse1 (and (not (= (_ bv0 32) ~pumpRunning~0)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse0 .cse2 .cse6) (or .cse5 .cse0 .cse6 .cse4))) [2022-01-10 06:33:20,089 INFO L854 garLoopResultBuilder]: At program point L674(lines 669 677) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv1 32)) .cse3 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))) .cse4 .cse5) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse5) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse4) (or .cse0 (and .cse2 .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (not .cse4) .cse1 .cse5))) [2022-01-10 06:33:20,089 INFO L858 garLoopResultBuilder]: For program point L546-1(lines 545 564) no Hoare annotation was computed. [2022-01-10 06:33:20,089 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 616) no Hoare annotation was computed. [2022-01-10 06:33:20,089 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2022-01-10 06:33:20,089 INFO L858 garLoopResultBuilder]: For program point L951(lines 951 957) no Hoare annotation was computed. [2022-01-10 06:33:20,089 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 542 565) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2))) [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 542 565) no Hoare annotation was computed. [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-01-10 06:33:20,090 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-01-10 06:33:20,090 INFO L861 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 06:33:20,090 INFO L861 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-01-10 06:33:20,090 INFO L861 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-01-10 06:33:20,090 INFO L858 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-01-10 06:33:20,091 INFO L861 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-01-10 06:33:20,091 INFO L854 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0) .cse2) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1 .cse2))) [2022-01-10 06:33:20,092 INFO L854 garLoopResultBuilder]: At program point L787(lines 744 789) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0) .cse2) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1 .cse2))) [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point L754(lines 754 760) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L854 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:20,092 INFO L854 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:20,092 INFO L858 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2022-01-10 06:33:20,092 INFO L854 garLoopResultBuilder]: At program point L780-2(lines 774 785) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1 .cse2))) [2022-01-10 06:33:20,093 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:33:20,093 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 770) no Hoare annotation was computed. [2022-01-10 06:33:20,093 INFO L858 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2022-01-10 06:33:20,093 INFO L861 garLoopResultBuilder]: At program point L793(lines 734 797) the Hoare annotation is: true [2022-01-10 06:33:20,093 INFO L854 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0) .cse2) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1 .cse2))) [2022-01-10 06:33:20,093 INFO L854 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:20,093 INFO L854 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:20,093 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2022-01-10 06:33:20,093 INFO L858 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2022-01-10 06:33:20,093 INFO L854 garLoopResultBuilder]: At program point L790(lines 743 791) the Hoare annotation is: false [2022-01-10 06:33:20,094 INFO L861 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2022-01-10 06:33:20,094 INFO L861 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2022-01-10 06:33:20,094 INFO L858 garLoopResultBuilder]: For program point L745(lines 744 789) no Hoare annotation was computed. [2022-01-10 06:33:20,094 INFO L854 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:20,094 INFO L858 garLoopResultBuilder]: For program point L774(lines 774 785) no Hoare annotation was computed. [2022-01-10 06:33:20,094 INFO L858 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2022-01-10 06:33:20,094 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 814 825) no Hoare annotation was computed. [2022-01-10 06:33:20,094 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 814 825) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd (_ bv1 32) |old(~waterLevel~0)|) (_ bv0 32)))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse1 .cse2) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse1 .cse2))) [2022-01-10 06:33:20,095 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2022-01-10 06:33:20,095 INFO L854 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse4 (bvsgt ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5)) (or .cse0 .cse3 .cse6 .cse7 (and .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse2))) [2022-01-10 06:33:20,096 INFO L854 garLoopResultBuilder]: At program point L640-2(lines 633 649) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (bvsgt ~waterLevel~0 (_ bv0 32))) (.cse2 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse4) (or .cse0 .cse2 .cse5 (and .cse1 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~6#1|) (= (_ bv0 32) ~pumpRunning~0)) .cse6) (or .cse0 .cse2 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse4)))) [2022-01-10 06:33:20,096 INFO L858 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2022-01-10 06:33:20,097 INFO L854 garLoopResultBuilder]: At program point L729(lines 714 732) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse12 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32))) (.cse13 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse4 (and .cse10 .cse12 .cse13 .cse14 .cse6)) (.cse7 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not .cse13)) (.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse8 (not .cse11)) (.cse9 (and .cse11 .cse10 .cse12 .cse13 .cse14 .cse6)) (.cse5 (bvsgt ~waterLevel~0 (_ bv0 32)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or .cse0 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse8 .cse7 .cse9) (or .cse0 .cse1 .cse8 .cse9 (and .cse5 .cse10 .cse6))))) [2022-01-10 06:33:20,097 INFO L854 garLoopResultBuilder]: At program point L888(lines 879 892) the Hoare annotation is: (let ((.cse8 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse5 (not .cse9)) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (and .cse8 .cse10)) (.cse4 (and (bvsgt ~waterLevel~0 (_ bv0 32)) .cse10)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse3 .cse9) (or .cse0 .cse1 .cse5 .cse6 .cse2 .cse4) (or .cse0 .cse3 .cse7 .cse8)))) [2022-01-10 06:33:20,097 INFO L854 garLoopResultBuilder]: At program point L630(lines 625 632) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 .cse2 .cse1 (and (not (= (_ bv0 32) ~pumpRunning~0)) (bvsgt ~waterLevel~0 (_ bv0 32)))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 .cse2 (not .cse3) (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:33:20,097 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2022-01-10 06:33:20,097 INFO L858 garLoopResultBuilder]: For program point L723-2(lines 723 727) no Hoare annotation was computed. [2022-01-10 06:33:20,097 INFO L854 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2022-01-10 06:33:20,097 INFO L858 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2022-01-10 06:33:20,097 INFO L858 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-01-10 06:33:20,097 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 574 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32))) (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:33:20,098 INFO L854 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse3)) (.cse1 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (bvsgt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))))) [2022-01-10 06:33:20,098 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 574 598) no Hoare annotation was computed. [2022-01-10 06:33:20,098 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-01-10 06:33:20,098 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-01-10 06:33:20,098 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 658 668) the Hoare annotation is: true [2022-01-10 06:33:20,098 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 658 668) no Hoare annotation was computed. [2022-01-10 06:33:20,098 INFO L861 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: true [2022-01-10 06:33:20,098 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 658 668) no Hoare annotation was computed. [2022-01-10 06:33:20,098 INFO L858 garLoopResultBuilder]: For program point L663-1(line 663) no Hoare annotation was computed. [2022-01-10 06:33:20,101 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:20,103 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:20,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:20 BoogieIcfgContainer [2022-01-10 06:33:20,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:20,141 INFO L158 Benchmark]: Toolchain (without parser) took 12684.96ms. Allocated memory was 212.9MB in the beginning and 337.6MB in the end (delta: 124.8MB). Free memory was 161.5MB in the beginning and 292.2MB in the end (delta: -130.7MB). Peak memory consumption was 135.0MB. Max. memory is 8.0GB. [2022-01-10 06:33:20,141 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory was 178.9MB in the beginning and 178.8MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:20,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.07ms. Allocated memory is still 212.9MB. Free memory was 161.3MB in the beginning and 173.4MB in the end (delta: -12.1MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:20,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 212.9MB. Free memory was 173.4MB in the beginning and 171.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:20,142 INFO L158 Benchmark]: Boogie Preprocessor took 34.05ms. Allocated memory is still 212.9MB. Free memory was 171.3MB in the beginning and 169.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:20,142 INFO L158 Benchmark]: RCFGBuilder took 309.23ms. Allocated memory is still 212.9MB. Free memory was 169.2MB in the beginning and 152.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:33:20,142 INFO L158 Benchmark]: TraceAbstraction took 11650.85ms. Allocated memory was 212.9MB in the beginning and 337.6MB in the end (delta: 124.8MB). Free memory was 151.9MB in the beginning and 292.2MB in the end (delta: -140.4MB). Peak memory consumption was 126.0MB. Max. memory is 8.0GB. [2022-01-10 06:33:20,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory was 178.9MB in the beginning and 178.8MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 635.07ms. Allocated memory is still 212.9MB. Free memory was 161.3MB in the beginning and 173.4MB in the end (delta: -12.1MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 212.9MB. Free memory was 173.4MB in the beginning and 171.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.05ms. Allocated memory is still 212.9MB. Free memory was 171.3MB in the beginning and 169.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 309.23ms. Allocated memory is still 212.9MB. Free memory was 169.2MB in the beginning and 152.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 11650.85ms. Allocated memory was 212.9MB in the beginning and 337.6MB in the end (delta: 124.8MB). Free memory was 151.9MB in the beginning and 292.2MB in the end (delta: -140.4MB). Peak memory consumption was 126.0MB. 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: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1241 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1204 mSDsluCounter, 4389 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2941 mSDsCounter, 302 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1001 IncrementalHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 302 mSolverCounterUnsat, 1448 mSDtfsCounter, 1001 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 736 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=11, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 90 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1671 PreInvPairs, 1920 NumberOfFragments, 2151 HoareAnnotationTreeSize, 1671 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 12150 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 677 NumberOfCodeBlocks, 677 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 772 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2370 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 135/144 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: 669]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || (((\result == 0bv32 && tmp == 1bv32) && 0bv32 == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || \old(pumpRunning) == 0bv32) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || \old(pumpRunning) == 0bv32)) && ((((!(systemActive == 1bv32) || ((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 1bv32) || ((\old(pumpRunning) == pumpRunning && tmp == 0bv32) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || !(methaneLevelCritical == 0bv32)) || ((tmp == 0bv32 && 0bv32 == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || \old(pumpRunning) == 0bv32) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || ((tmp == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) || ((~bvsgt32(waterLevel, 0bv32) && tmp == 0bv32) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || \old(pumpRunning) == 0bv32)) && ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || ((tmp == 1bv32 && 0bv32 == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || \old(pumpRunning) == 0bv32) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || (((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || ~bvsgt32(waterLevel, 0bv32)) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && ((((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(\old(pumpRunning) == 0bv32)) || ((~bvsgt32(waterLevel, 0bv32) && methaneLevelCritical == tmp) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && (((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || ((tmp == 1bv32 && 0bv32 == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && ((((0bv32 == pumpRunning && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || ((!(0bv32 == pumpRunning) && \old(pumpRunning) == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || !(methaneLevelCritical == 1bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) && (((!(systemActive == 1bv32) || ((!(0bv32 == pumpRunning) && \old(pumpRunning) == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || !(methaneLevelCritical == 0bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((((((0bv32 == pumpRunning && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(systemActive == 1bv32)) || (\old(pumpRunning) == pumpRunning && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || \old(pumpRunning) == 0bv32)) && ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || ((tmp == 1bv32 && 0bv32 == pumpRunning) && ~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32))) || \old(pumpRunning) == 0bv32) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (~bvsgt32(waterLevel, 0bv32) && waterLevel == \old(waterLevel))) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((((\old(pumpRunning) == pumpRunning && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (~bvsgt32(waterLevel, 0bv32) && 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || ((((\old(pumpRunning) == pumpRunning && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || (((((methaneLevelCritical == 0bv32 && \old(pumpRunning) == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning))) && ((((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(methaneLevelCritical == 0bv32)) || (((((methaneLevelCritical == 0bv32 && \old(pumpRunning) == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((~bvsgt32(waterLevel, 0bv32) && \old(pumpRunning) == pumpRunning) && 0bv32 == pumpRunning)) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) && (((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(methaneLevelCritical == 0bv32)) || (!(0bv32 == pumpRunning) && ~bvsgt32(waterLevel, 0bv32)))) && (((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !~bvsgt32(~bvadd16(1bv32, \old(waterLevel)), 0bv32)) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32)) || (~bvsgt32(waterLevel, 0bv32) && 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32)) && (((((!(systemActive == 1bv32) || !~bvsgt32(~bvadd16(waterLevel, 1bv32), 0bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) || (~bvsgt32(waterLevel, 0bv32) && 0bv32 == pumpRunning))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:33:20,200 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...