/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_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:34:55,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:34:55,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:34:55,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:34:55,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:34:55,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:34:55,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:34:55,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:34:55,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:34:55,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:34:55,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:34:55,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:34:55,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:34:55,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:34:55,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:34:55,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:34:55,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:34:55,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:34:55,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:34:55,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:34:55,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:34:55,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:34:55,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:34:55,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:34:55,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:34:55,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:34:55,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:34:55,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:34:55,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:34:55,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:34:55,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:34:55,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:34:55,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:34:55,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:34:55,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:34:55,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:34:55,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:34:55,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:34:55,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:34:55,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:34:55,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:34:55,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:34:55,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:34:55,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:34:55,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:34:55,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:34:55,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:34:55,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:34:55,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:34:55,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:34:55,495 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:34:55,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:34:55,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:34:55,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:34:55,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:34:55,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:34:55,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:34:55,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:34:55,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:34:55,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:55,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:34:55,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:34:55,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:34:55,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:34:55,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:34:55,499 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:34:55,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:34:55,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:34:55,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:34:55,499 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:34:55,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:34:55,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:34:55,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:34:55,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:34:55,738 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:34:55,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2022-01-10 06:34:55,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9d0214c/daf8505b33a349afb236e2afcae191bf/FLAGa57bae230 [2022-01-10 06:34:56,222 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:34:56,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2022-01-10 06:34:56,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9d0214c/daf8505b33a349afb236e2afcae191bf/FLAGa57bae230 [2022-01-10 06:34:56,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9d0214c/daf8505b33a349afb236e2afcae191bf [2022-01-10 06:34:56,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:34:56,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:34:56,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:56,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:34:56,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:34:56,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a57097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56, skipping insertion in model container [2022-01-10 06:34:56,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:34:56,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:56,571 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_spec4_product56.cil.c[17338,17351] [2022-01-10 06:34:56,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:56,601 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:34:56,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:56,633 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_spec4_product56.cil.c[17338,17351] [2022-01-10 06:34:56,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:56,646 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:34:56,693 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_spec4_product56.cil.c[17338,17351] [2022-01-10 06:34:56,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:56,708 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:34:56,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56 WrapperNode [2022-01-10 06:34:56,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:56,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:56,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:34:56,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:34:56,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,753 INFO L137 Inliner]: procedures = 60, calls = 161, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 276 [2022-01-10 06:34:56,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:56,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:34:56,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:34:56,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:34:56,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:34:56,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:34:56,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:34:56,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:34:56,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (1/1) ... [2022-01-10 06:34:56,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:34:56,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:34:56,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:34:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:34:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:34:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:34:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:34:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:34:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:34:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:34:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:34:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:34:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:34:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:34:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:34:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:34:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:34:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:34:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:34:56,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:34:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:34:56,927 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:34:56,928 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:34:57,206 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:34:57,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:34:57,211 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:34:57,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:57 BoogieIcfgContainer [2022-01-10 06:34:57,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:34:57,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:34:57,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:34:57,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:34:57,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:56" (1/3) ... [2022-01-10 06:34:57,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a76114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:57, skipping insertion in model container [2022-01-10 06:34:57,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:56" (2/3) ... [2022-01-10 06:34:57,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a76114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:57, skipping insertion in model container [2022-01-10 06:34:57,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:57" (3/3) ... [2022-01-10 06:34:57,219 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2022-01-10 06:34:57,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:34:57,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:34:57,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:34:57,255 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:34:57,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:34:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 86 states have internal predecessors, (104), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-10 06:34:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 06:34:57,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:57,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:57,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:57,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:57,276 INFO L85 PathProgramCache]: Analyzing trace with hash 975776348, now seen corresponding path program 1 times [2022-01-10 06:34:57,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:57,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947421105] [2022-01-10 06:34:57,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:57,285 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:57,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:57,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:34:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:57,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:34:57,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:57,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:57,419 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:57,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947421105] [2022-01-10 06:34:57,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947421105] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:57,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:57,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:57,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949779407] [2022-01-10 06:34:57,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:57,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:34:57,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:57,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:34:57,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:57,461 INFO L87 Difference]: Start difference. First operand has 100 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 86 states have internal predecessors, (104), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:57,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:57,510 INFO L93 Difference]: Finished difference Result 192 states and 263 transitions. [2022-01-10 06:34:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:34:57,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 06:34:57,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:57,529 INFO L225 Difference]: With dead ends: 192 [2022-01-10 06:34:57,529 INFO L226 Difference]: Without dead ends: 91 [2022-01-10 06:34:57,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:57,534 INFO L933 BasicCegarLoop]: 128 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, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:57,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-01-10 06:34:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-01-10 06:34:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 78 states have internal predecessors, (90), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:34:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-01-10 06:34:57,589 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 19 [2022-01-10 06:34:57,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:57,590 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-01-10 06:34:57,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-01-10 06:34:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 06:34:57,591 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:57,591 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] [2022-01-10 06:34:57,609 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 06:34:57,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:57,803 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1543378342, now seen corresponding path program 1 times [2022-01-10 06:34:57,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:57,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247913980] [2022-01-10 06:34:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:57,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:57,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:57,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:57,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:34:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:57,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:57,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:57,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:57,959 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:57,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247913980] [2022-01-10 06:34:57,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247913980] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:57,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:57,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:57,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97694332] [2022-01-10 06:34:57,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:57,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:57,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:57,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:57,969 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:58,006 INFO L93 Difference]: Finished difference Result 143 states and 187 transitions. [2022-01-10 06:34:58,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:58,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-01-10 06:34:58,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:58,011 INFO L225 Difference]: With dead ends: 143 [2022-01-10 06:34:58,011 INFO L226 Difference]: Without dead ends: 82 [2022-01-10 06:34:58,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:58,013 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:58,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-01-10 06:34:58,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-01-10 06:34:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 72 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-01-10 06:34:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2022-01-10 06:34:58,021 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 20 [2022-01-10 06:34:58,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:58,021 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2022-01-10 06:34:58,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2022-01-10 06:34:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:34:58,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:58,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:58,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 06:34:58,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:58,229 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:58,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:58,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1300509367, now seen corresponding path program 1 times [2022-01-10 06:34:58,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:58,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039518286] [2022-01-10 06:34:58,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:58,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:58,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:58,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:58,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:34:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:58,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:58,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:58,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:58,323 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:58,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039518286] [2022-01-10 06:34:58,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039518286] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:58,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:58,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:58,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348558746] [2022-01-10 06:34:58,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:58,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:58,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:58,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:58,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:58,325 INFO L87 Difference]: Start difference. First operand 82 states and 107 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:58,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:58,352 INFO L93 Difference]: Finished difference Result 230 states and 306 transitions. [2022-01-10 06:34:58,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:58,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-01-10 06:34:58,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:58,354 INFO L225 Difference]: With dead ends: 230 [2022-01-10 06:34:58,354 INFO L226 Difference]: Without dead ends: 155 [2022-01-10 06:34:58,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:58,355 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 99 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:58,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 224 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:58,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-01-10 06:34:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2022-01-10 06:34:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 132 states have internal predecessors, (154), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 13 states have call predecessors, (24), 24 states have call successors, (24) [2022-01-10 06:34:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2022-01-10 06:34:58,369 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 25 [2022-01-10 06:34:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:58,369 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2022-01-10 06:34:58,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2022-01-10 06:34:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-10 06:34:58,370 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:58,371 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] [2022-01-10 06:34:58,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:58,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:58,579 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1710585576, now seen corresponding path program 1 times [2022-01-10 06:34:58,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:58,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299153735] [2022-01-10 06:34:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:58,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:58,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:58,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:58,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:34:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:58,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:58,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:58,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:58,706 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:58,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299153735] [2022-01-10 06:34:58,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299153735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:58,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:58,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:58,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101725231] [2022-01-10 06:34:58,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:58,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:58,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:58,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:58,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:58,709 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:58,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:58,762 INFO L93 Difference]: Finished difference Result 430 states and 595 transitions. [2022-01-10 06:34:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:58,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-01-10 06:34:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:58,769 INFO L225 Difference]: With dead ends: 430 [2022-01-10 06:34:58,769 INFO L226 Difference]: Without dead ends: 285 [2022-01-10 06:34:58,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:58,776 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 78 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:58,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 430 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:58,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-01-10 06:34:58,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2022-01-10 06:34:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 210 states have (on average 1.3428571428571427) internal successors, (282), 245 states have internal predecessors, (282), 48 states have call successors, (48), 28 states have call predecessors, (48), 26 states have return successors, (50), 24 states have call predecessors, (50), 48 states have call successors, (50) [2022-01-10 06:34:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 380 transitions. [2022-01-10 06:34:58,804 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 380 transitions. Word has length 28 [2022-01-10 06:34:58,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:58,804 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 380 transitions. [2022-01-10 06:34:58,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 380 transitions. [2022-01-10 06:34:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 06:34:58,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:58,806 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 06:34:58,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:59,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:59,016 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:59,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:59,017 INFO L85 PathProgramCache]: Analyzing trace with hash 298834221, now seen corresponding path program 1 times [2022-01-10 06:34:59,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:59,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092213918] [2022-01-10 06:34:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:59,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:59,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:59,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:59,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:34:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:59,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:59,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:59,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:59,151 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:59,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092213918] [2022-01-10 06:34:59,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092213918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:59,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:59,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:59,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079097648] [2022-01-10 06:34:59,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:59,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:59,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:59,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:59,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:59,152 INFO L87 Difference]: Start difference. First operand 285 states and 380 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:59,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:59,189 INFO L93 Difference]: Finished difference Result 681 states and 931 transitions. [2022-01-10 06:34:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:59,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-01-10 06:34:59,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:59,192 INFO L225 Difference]: With dead ends: 681 [2022-01-10 06:34:59,192 INFO L226 Difference]: Without dead ends: 403 [2022-01-10 06:34:59,193 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 06:34:59,193 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 74 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:59,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 182 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-01-10 06:34:59,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 394. [2022-01-10 06:34:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 299 states have (on average 1.2876254180602007) internal successors, (385), 321 states have internal predecessors, (385), 49 states have call successors, (49), 45 states have call predecessors, (49), 45 states have return successors, (73), 44 states have call predecessors, (73), 49 states have call successors, (73) [2022-01-10 06:34:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 507 transitions. [2022-01-10 06:34:59,214 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 507 transitions. Word has length 30 [2022-01-10 06:34:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:59,214 INFO L470 AbstractCegarLoop]: Abstraction has 394 states and 507 transitions. [2022-01-10 06:34:59,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 507 transitions. [2022-01-10 06:34:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:34:59,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:59,215 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] [2022-01-10 06:34:59,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:59,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:59,422 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:59,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1545723250, now seen corresponding path program 1 times [2022-01-10 06:34:59,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:59,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875926869] [2022-01-10 06:34:59,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:59,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:59,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:59,424 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:59,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:34:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:59,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:34:59,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:59,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:59,573 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:59,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875926869] [2022-01-10 06:34:59,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875926869] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:59,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:59,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:59,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608405188] [2022-01-10 06:34:59,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:59,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:34:59,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:59,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:34:59,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:59,575 INFO L87 Difference]: Start difference. First operand 394 states and 507 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 6 states have internal predecessors, (29), 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 06:35:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:00,051 INFO L93 Difference]: Finished difference Result 1125 states and 1518 transitions. [2022-01-10 06:35:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:35:00,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 6 states have internal predecessors, (29), 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 32 [2022-01-10 06:35:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:00,057 INFO L225 Difference]: With dead ends: 1125 [2022-01-10 06:35:00,057 INFO L226 Difference]: Without dead ends: 898 [2022-01-10 06:35:00,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:35:00,059 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 258 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:00,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 732 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 06:35:00,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2022-01-10 06:35:00,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 869. [2022-01-10 06:35:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 664 states have (on average 1.2786144578313252) internal successors, (849), 719 states have internal predecessors, (849), 102 states have call successors, (102), 86 states have call predecessors, (102), 102 states have return successors, (164), 96 states have call predecessors, (164), 102 states have call successors, (164) [2022-01-10 06:35:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1115 transitions. [2022-01-10 06:35:00,100 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1115 transitions. Word has length 32 [2022-01-10 06:35:00,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:00,100 INFO L470 AbstractCegarLoop]: Abstraction has 869 states and 1115 transitions. [2022-01-10 06:35:00,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 6 states have internal predecessors, (29), 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 06:35:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1115 transitions. [2022-01-10 06:35:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-10 06:35:00,103 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:00,103 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:00,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:00,311 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 06:35:00,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:00,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1988079236, now seen corresponding path program 1 times [2022-01-10 06:35:00,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:00,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223512964] [2022-01-10 06:35:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:00,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:00,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:00,313 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 06:35:00,314 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 06:35:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:00,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:00,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:00,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:00,452 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:00,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223512964] [2022-01-10 06:35:00,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223512964] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:00,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:00,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:00,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241590630] [2022-01-10 06:35:00,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:00,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:00,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:00,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:00,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:00,456 INFO L87 Difference]: Start difference. First operand 869 states and 1115 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:00,497 INFO L93 Difference]: Finished difference Result 1430 states and 1832 transitions. [2022-01-10 06:35:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:00,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2022-01-10 06:35:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:00,500 INFO L225 Difference]: With dead ends: 1430 [2022-01-10 06:35:00,500 INFO L226 Difference]: Without dead ends: 568 [2022-01-10 06:35:00,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 06:35:00,503 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 35 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:00,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 239 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:00,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2022-01-10 06:35:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2022-01-10 06:35:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 431 states have (on average 1.2668213457076567) internal successors, (546), 467 states have internal predecessors, (546), 63 states have call successors, (63), 55 states have call predecessors, (63), 63 states have return successors, (94), 60 states have call predecessors, (94), 63 states have call successors, (94) [2022-01-10 06:35:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 703 transitions. [2022-01-10 06:35:00,530 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 703 transitions. Word has length 67 [2022-01-10 06:35:00,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:00,530 INFO L470 AbstractCegarLoop]: Abstraction has 558 states and 703 transitions. [2022-01-10 06:35:00,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 703 transitions. [2022-01-10 06:35:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-10 06:35:00,532 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:00,532 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:00,559 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 06:35:00,739 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 06:35:00,739 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:00,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:00,740 INFO L85 PathProgramCache]: Analyzing trace with hash 458334501, now seen corresponding path program 1 times [2022-01-10 06:35:00,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:00,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141632767] [2022-01-10 06:35:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:00,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:00,741 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 06:35:00,743 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 06:35:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:00,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:00,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 06:35:00,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:00,900 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:00,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141632767] [2022-01-10 06:35:00,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141632767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:00,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:00,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:00,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917761192] [2022-01-10 06:35:00,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:00,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:00,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:00,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:00,901 INFO L87 Difference]: Start difference. First operand 558 states and 703 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:35:00,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:00,941 INFO L93 Difference]: Finished difference Result 1133 states and 1460 transitions. [2022-01-10 06:35:00,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:00,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 73 [2022-01-10 06:35:00,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:00,944 INFO L225 Difference]: With dead ends: 1133 [2022-01-10 06:35:00,944 INFO L226 Difference]: Without dead ends: 582 [2022-01-10 06:35:00,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 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 06:35:00,946 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 10 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 424 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 06:35:00,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 424 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:00,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-01-10 06:35:00,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 570. [2022-01-10 06:35:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 443 states have (on average 1.2595936794582392) internal successors, (558), 479 states have internal predecessors, (558), 63 states have call successors, (63), 55 states have call predecessors, (63), 63 states have return successors, (94), 60 states have call predecessors, (94), 63 states have call successors, (94) [2022-01-10 06:35:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 715 transitions. [2022-01-10 06:35:00,968 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 715 transitions. Word has length 73 [2022-01-10 06:35:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:00,968 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 715 transitions. [2022-01-10 06:35:00,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:35:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 715 transitions. [2022-01-10 06:35:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-10 06:35:00,969 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:00,979 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:00,991 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 06:35:01,185 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 06:35:01,188 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:01,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:01,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1351820839, now seen corresponding path program 1 times [2022-01-10 06:35:01,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:01,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610930213] [2022-01-10 06:35:01,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:01,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:01,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:01,191 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 06:35:01,191 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 06:35:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:01,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:01,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 06:35:01,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:01,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:01,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610930213] [2022-01-10 06:35:01,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610930213] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:01,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:01,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:35:01,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182986226] [2022-01-10 06:35:01,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:01,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:35:01,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:01,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:35:01,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:35:01,336 INFO L87 Difference]: Start difference. First operand 570 states and 715 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:35:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:01,364 INFO L93 Difference]: Finished difference Result 1092 states and 1408 transitions. [2022-01-10 06:35:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:35:01,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 73 [2022-01-10 06:35:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:01,367 INFO L225 Difference]: With dead ends: 1092 [2022-01-10 06:35:01,367 INFO L226 Difference]: Without dead ends: 529 [2022-01-10 06:35:01,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 06:35:01,370 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 11 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 315 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 06:35:01,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 315 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:01,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-01-10 06:35:01,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2022-01-10 06:35:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 405 states have (on average 1.2518518518518518) internal successors, (507), 438 states have internal predecessors, (507), 60 states have call successors, (60), 52 states have call predecessors, (60), 57 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2022-01-10 06:35:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 647 transitions. [2022-01-10 06:35:01,387 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 647 transitions. Word has length 73 [2022-01-10 06:35:01,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:01,388 INFO L470 AbstractCegarLoop]: Abstraction has 523 states and 647 transitions. [2022-01-10 06:35:01,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:35:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 647 transitions. [2022-01-10 06:35:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-10 06:35:01,390 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:01,390 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:01,403 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 06:35:01,597 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 06:35:01,597 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:01,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:01,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1782678333, now seen corresponding path program 1 times [2022-01-10 06:35:01,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:01,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569463704] [2022-01-10 06:35:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:01,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:01,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:01,599 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 06:35:01,600 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 06:35:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:01,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:35:01,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:35:01,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:01,811 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:01,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569463704] [2022-01-10 06:35:01,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569463704] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:01,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:01,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:01,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987013035] [2022-01-10 06:35:01,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:01,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:01,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:01,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:01,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:01,813 INFO L87 Difference]: Start difference. First operand 523 states and 647 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:35:01,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:01,882 INFO L93 Difference]: Finished difference Result 1646 states and 2063 transitions. [2022-01-10 06:35:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:35:01,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 77 [2022-01-10 06:35:01,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:01,887 INFO L225 Difference]: With dead ends: 1646 [2022-01-10 06:35:01,888 INFO L226 Difference]: Without dead ends: 1130 [2022-01-10 06:35:01,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:35:01,890 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 104 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:01,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 618 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2022-01-10 06:35:01,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1070. [2022-01-10 06:35:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 834 states have (on average 1.2374100719424461) internal successors, (1032), 896 states have internal predecessors, (1032), 117 states have call successors, (117), 104 states have call predecessors, (117), 118 states have return successors, (172), 112 states have call predecessors, (172), 117 states have call successors, (172) [2022-01-10 06:35:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1321 transitions. [2022-01-10 06:35:01,924 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1321 transitions. Word has length 77 [2022-01-10 06:35:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:01,924 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1321 transitions. [2022-01-10 06:35:01,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:35:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1321 transitions. [2022-01-10 06:35:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 06:35:01,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:01,925 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 06:35:01,942 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 06:35:02,139 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 06:35:02,139 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:02,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -962075385, now seen corresponding path program 1 times [2022-01-10 06:35:02,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:02,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079813915] [2022-01-10 06:35:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:02,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:02,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:02,141 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 06:35:02,142 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 06:35:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:02,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:35:02,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:35:02,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:35:02,671 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:02,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079813915] [2022-01-10 06:35:02,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079813915] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:02,672 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:02,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2022-01-10 06:35:02,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594758455] [2022-01-10 06:35:02,672 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:02,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-10 06:35:02,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:02,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-10 06:35:02,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-01-10 06:35:02,673 INFO L87 Difference]: Start difference. First operand 1070 states and 1321 transitions. Second operand has 15 states, 15 states have (on average 7.466666666666667) internal successors, (112), 14 states have internal predecessors, (112), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-01-10 06:35:03,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:03,742 INFO L93 Difference]: Finished difference Result 2932 states and 3883 transitions. [2022-01-10 06:35:03,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-10 06:35:03,743 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.466666666666667) internal successors, (112), 14 states have internal predecessors, (112), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 81 [2022-01-10 06:35:03,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:03,751 INFO L225 Difference]: With dead ends: 2932 [2022-01-10 06:35:03,752 INFO L226 Difference]: Without dead ends: 2007 [2022-01-10 06:35:03,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 149 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=335, Invalid=1225, Unknown=0, NotChecked=0, Total=1560 [2022-01-10 06:35:03,755 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 772 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:03,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [792 Valid, 882 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 06:35:03,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2022-01-10 06:35:03,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1917. [2022-01-10 06:35:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1484 states have (on average 1.2277628032345014) internal successors, (1822), 1595 states have internal predecessors, (1822), 214 states have call successors, (214), 188 states have call predecessors, (214), 218 states have return successors, (442), 212 states have call predecessors, (442), 214 states have call successors, (442) [2022-01-10 06:35:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2478 transitions. [2022-01-10 06:35:03,827 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2478 transitions. Word has length 81 [2022-01-10 06:35:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:03,828 INFO L470 AbstractCegarLoop]: Abstraction has 1917 states and 2478 transitions. [2022-01-10 06:35:03,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.466666666666667) internal successors, (112), 14 states have internal predecessors, (112), 7 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-01-10 06:35:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2478 transitions. [2022-01-10 06:35:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-10 06:35:03,834 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:03,834 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:03,845 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 06:35:04,047 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 06:35:04,048 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:04,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1330152237, now seen corresponding path program 1 times [2022-01-10 06:35:04,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:04,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614552471] [2022-01-10 06:35:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:04,049 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:04,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:04,050 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 06:35:04,051 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 06:35:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:04,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:35:04,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 45 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-10 06:35:04,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:35:04,980 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:04,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614552471] [2022-01-10 06:35:04,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614552471] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:04,980 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:04,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 20 [2022-01-10 06:35:04,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148036338] [2022-01-10 06:35:04,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:04,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-10 06:35:04,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:04,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-10 06:35:04,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2022-01-10 06:35:04,981 INFO L87 Difference]: Start difference. First operand 1917 states and 2478 transitions. Second operand has 20 states, 20 states have (on average 7.55) internal successors, (151), 19 states have internal predecessors, (151), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) [2022-01-10 06:35:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:05,759 INFO L93 Difference]: Finished difference Result 4050 states and 5435 transitions. [2022-01-10 06:35:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-10 06:35:05,760 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.55) internal successors, (151), 19 states have internal predecessors, (151), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) Word has length 124 [2022-01-10 06:35:05,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:05,768 INFO L225 Difference]: With dead ends: 4050 [2022-01-10 06:35:05,768 INFO L226 Difference]: Without dead ends: 2278 [2022-01-10 06:35:05,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2022-01-10 06:35:05,774 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 911 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:05,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 1288 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 06:35:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-01-10 06:35:05,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2120. [2022-01-10 06:35:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2120 states, 1634 states have (on average 1.218482252141983) internal successors, (1991), 1750 states have internal predecessors, (1991), 241 states have call successors, (241), 218 states have call predecessors, (241), 244 states have return successors, (341), 238 states have call predecessors, (341), 241 states have call successors, (341) [2022-01-10 06:35:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 2120 states and 2573 transitions. [2022-01-10 06:35:05,912 INFO L78 Accepts]: Start accepts. Automaton has 2120 states and 2573 transitions. Word has length 124 [2022-01-10 06:35:05,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:05,912 INFO L470 AbstractCegarLoop]: Abstraction has 2120 states and 2573 transitions. [2022-01-10 06:35:05,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.55) internal successors, (151), 19 states have internal predecessors, (151), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (19), 9 states have call predecessors, (19), 11 states have call successors, (19) [2022-01-10 06:35:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2573 transitions. [2022-01-10 06:35:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-10 06:35:05,915 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:05,915 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:05,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:06,123 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 06:35:06,123 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:06,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:06,124 INFO L85 PathProgramCache]: Analyzing trace with hash -454133231, now seen corresponding path program 1 times [2022-01-10 06:35:06,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:06,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986317466] [2022-01-10 06:35:06,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:06,124 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:06,125 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:06,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:35:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:06,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:06,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 06:35:06,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:06,328 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:06,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986317466] [2022-01-10 06:35:06,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986317466] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:06,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:06,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:06,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282602867] [2022-01-10 06:35:06,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:06,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:06,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:06,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:06,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:06,329 INFO L87 Difference]: Start difference. First operand 2120 states and 2573 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-01-10 06:35:06,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:06,366 INFO L93 Difference]: Finished difference Result 2567 states and 3102 transitions. [2022-01-10 06:35:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:35:06,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 124 [2022-01-10 06:35:06,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:06,367 INFO L225 Difference]: With dead ends: 2567 [2022-01-10 06:35:06,367 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:06,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 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 06:35:06,371 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:06,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 358 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:06,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:06,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:06,372 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 06:35:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:06,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 124 [2022-01-10 06:35:06,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:06,373 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:06,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-01-10 06:35:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:06,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:06,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:06,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:06,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:06,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:09,253 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2022-01-10 06:35:09,253 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-01-10 06:35:09,253 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2022-01-10 06:35:09,253 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 90 96) no Hoare annotation was computed. [2022-01-10 06:35:09,253 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 90 96) the Hoare annotation is: true [2022-01-10 06:35:09,253 INFO L858 garLoopResultBuilder]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2022-01-10 06:35:09,253 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 909 920) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse1 .cse2 .cse3 .cse6) (or .cse4 .cse1 .cse3 .cse5 .cse6))) [2022-01-10 06:35:09,253 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 909 920) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L861 garLoopResultBuilder]: At program point L801(lines 776 805) the Hoare annotation is: true [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L861 garLoopResultBuilder]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L861 garLoopResultBuilder]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2022-01-10 06:35:09,254 INFO L861 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 89) no Hoare annotation was computed. [2022-01-10 06:35:09,254 INFO L854 garLoopResultBuilder]: At program point L164(line 164) the Hoare annotation is: (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (and (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|) (= |timeShift_processEnvironment_~tmp~2#1| (_ bv0 32)))) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4) (or .cse0 .cse1 (and (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) (= |timeShift_isMethaneLevelCritical_#res#1| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2022-01-10 06:35:09,254 INFO L854 garLoopResultBuilder]: At program point L160(line 160) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4))) [2022-01-10 06:35:09,254 INFO L854 garLoopResultBuilder]: At program point L879(lines 874 881) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse0) (or .cse4 .cse1 .cse3))) [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse8)) (.cse6 (and .cse8 .cse3 .cse4)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse0 .cse6 (and (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|) .cse3)) (or .cse5 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse7) (or .cse5 .cse1 .cse7)))) [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L169-1(lines 150 174) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse7 (and .cse8 .cse4)) (.cse0 (not .cse8)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse1 .cse2 .cse5) (or .cse6 .cse7 .cse0 (and (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|) .cse3)) (or .cse6 .cse1 .cse5) (or .cse6 .cse7 .cse0 .cse1)))) [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (let ((.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4) (or .cse0 .cse1 (and (= |timeShift_isMethaneAlarm_#res#1| (_ bv0 32)) (= |timeShift_isMethaneLevelCritical_#res#1| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2022-01-10 06:35:09,255 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 69 88) no Hoare annotation was computed. [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L958(lines 953 961) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= |timeShift_getWaterLevel_#res#1| (_ bv1 32))) (.cse4 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse11 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (and .cse4 .cse11 .cse6)) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not .cse11)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse9 (and .cse5 .cse8 .cse6)) (.cse10 (not (= (_ bv1 32) |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (and .cse4 .cse5 .cse6) .cse3 .cse7) (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse8)) (or .cse3 .cse9 .cse10 .cse7) (or .cse1 .cse3 .cse9 .cse10)))) [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse0) (or .cse4 .cse1 .cse3))) [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) (= |timeShift_isMethaneLevelCritical_#res#1| (_ bv0 32))) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4))) [2022-01-10 06:35:09,255 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 166) no Hoare annotation was computed. [2022-01-10 06:35:09,255 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 171) no Hoare annotation was computed. [2022-01-10 06:35:09,255 INFO L858 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2022-01-10 06:35:09,255 INFO L858 garLoopResultBuilder]: For program point L761(lines 761 767) no Hoare annotation was computed. [2022-01-10 06:35:09,255 INFO L854 garLoopResultBuilder]: At program point L889-2(lines 885 896) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4))) [2022-01-10 06:35:09,255 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point L757-1(lines 749 773) the Hoare annotation is: (let ((.cse10 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse11 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| (_ bv2 32))) (.cse13 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= |timeShift_getWaterLevel_#res#1| (_ bv1 32))) (.cse12 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (and .cse7 .cse8 .cse9 .cse12)) (.cse5 (not .cse13)) (.cse6 (and .cse10 .cse13 .cse11 .cse12)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 (and .cse7 (= ~waterLevel~0 (_ bv1 32)) .cse8 .cse9) .cse6) (or .cse4 .cse0 (and .cse10 .cse11 .cse8 .cse12) .cse3)))) [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 89) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (and .cse6 .cse7)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse7)))) [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 89) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point L738(lines 687 739) the Hoare annotation is: false [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point L726-2(lines 718 733) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point L689(lines 688 737) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point L305(lines 300 307) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:35:09,256 INFO L858 garLoopResultBuilder]: For program point L718(lines 718 733) no Hoare annotation was computed. [2022-01-10 06:35:09,256 INFO L854 garLoopResultBuilder]: At program point L297(lines 285 299) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1 .cse2))) [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L735(lines 688 737) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3))) [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 694) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L860(lines 860 867) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L860-2(lines 860 867) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L861 garLoopResultBuilder]: At program point L844(lines 837 846) the Hoare annotation is: true [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:09,257 INFO L861 garLoopResultBuilder]: At program point L741(lines 678 745) the Hoare annotation is: true [2022-01-10 06:35:09,257 INFO L861 garLoopResultBuilder]: At program point L869(lines 850 872) the Hoare annotation is: true [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L858 garLoopResultBuilder]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2022-01-10 06:35:09,257 INFO L854 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 98 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point L180(lines 175 182) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point L112(line 112) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| (_ bv1 32)) .cse2 .cse3)) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (and .cse2 .cse3)))) [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point L971(lines 962 975) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse2)) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 119) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 98 122) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 98 122) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse2) (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 897 908) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2022-01-10 06:35:09,258 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 897 908) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse5 .cse0 .cse4 .cse3) (or .cse5 .cse1 .cse3))) [2022-01-10 06:35:09,258 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 145) no Hoare annotation was computed. [2022-01-10 06:35:09,259 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 124 148) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:35:09,259 INFO L854 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| (_ bv0 32)))) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:35:09,259 INFO L854 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| (_ bv0 32))) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:35:09,259 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2022-01-10 06:35:09,259 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2022-01-10 06:35:09,259 INFO L854 garLoopResultBuilder]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2022-01-10 06:35:09,259 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 124 148) no Hoare annotation was computed. [2022-01-10 06:35:09,259 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 124 148) no Hoare annotation was computed. [2022-01-10 06:35:09,259 INFO L854 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2022-01-10 06:35:09,259 INFO L854 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and (= (_ bv1 32) |processEnvironment__wrappee__lowWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1| (_ bv1 32)) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| (_ bv0 32))) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:35:09,259 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 140) no Hoare annotation was computed. [2022-01-10 06:35:09,262 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:09,263 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:09,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:09 BoogieIcfgContainer [2022-01-10 06:35:09,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:09,305 INFO L158 Benchmark]: Toolchain (without parser) took 13050.82ms. Allocated memory was 215.0MB in the beginning and 354.4MB in the end (delta: 139.5MB). Free memory was 163.1MB in the beginning and 238.1MB in the end (delta: -75.0MB). Peak memory consumption was 184.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,305 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 215.0MB. Free memory was 180.3MB in the beginning and 180.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:09,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.89ms. Allocated memory is still 215.0MB. Free memory was 162.8MB in the beginning and 174.3MB in the end (delta: -11.5MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.64ms. Allocated memory is still 215.0MB. Free memory was 173.7MB in the beginning and 171.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,306 INFO L158 Benchmark]: Boogie Preprocessor took 20.75ms. Allocated memory is still 215.0MB. Free memory was 171.1MB in the beginning and 169.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,306 INFO L158 Benchmark]: RCFGBuilder took 437.14ms. Allocated memory is still 215.0MB. Free memory was 169.5MB in the beginning and 151.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,306 INFO L158 Benchmark]: TraceAbstraction took 12091.71ms. Allocated memory was 215.0MB in the beginning and 354.4MB in the end (delta: 139.5MB). Free memory was 151.2MB in the beginning and 238.1MB in the end (delta: -86.9MB). Peak memory consumption was 172.6MB. Max. memory is 8.0GB. [2022-01-10 06:35:09,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 215.0MB. Free memory was 180.3MB in the beginning and 180.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 448.89ms. Allocated memory is still 215.0MB. Free memory was 162.8MB in the beginning and 174.3MB in the end (delta: -11.5MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.64ms. Allocated memory is still 215.0MB. Free memory was 173.7MB in the beginning and 171.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.75ms. Allocated memory is still 215.0MB. Free memory was 171.1MB in the beginning and 169.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 437.14ms. Allocated memory is still 215.0MB. Free memory was 169.5MB in the beginning and 151.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12091.71ms. Allocated memory was 215.0MB in the beginning and 354.4MB in the end (delta: 139.5MB). Free memory was 151.2MB in the beginning and 238.1MB in the end (delta: -86.9MB). Peak memory consumption was 172.6MB. 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: 878]: 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2427 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2378 mSDsluCounter, 6010 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4221 mSDsCounter, 784 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2939 IncrementalHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 784 mSolverCounterUnsat, 1789 mSDtfsCounter, 2939 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1024 GetRequests, 913 SyntacticMatches, 5 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2120occurred in iteration=12, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 377 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 4360 PreInvPairs, 4515 NumberOfFragments, 1934 HoareAnnotationTreeSize, 4360 FomulaSimplifications, 160 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 48 FomulaSimplificationsInter, 4554 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 773 NumberOfCodeBlocks, 773 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 963 ConstructedInterpolants, 0 QuantifiedInterpolants, 2344 SizeOfPredicates, 30 NumberOfNonLiveVariables, 2572 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 261/301 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: 976]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 1bv32)) || \result == 0bv32) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 2bv32 && systemActive == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || ((\result == 2bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 2bv32 && systemActive == 1bv32) && waterLevel == \old(waterLevel))) || ((waterLevel == 1bv32 && 0bv32 == pumpRunning) && \result == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || ((0bv32 == pumpRunning && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((0bv32 == pumpRunning && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || \result == 0bv32)) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (\result == 0bv32 && \result == 0bv32)) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 1bv32)) || (((tmp___0 == 1bv32 && \result == 0bv32) && \result == 1bv32) && tmp == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || (((tmp == 1bv32 && 0bv32 == pumpRunning) && \result == 1bv32) && waterLevel == \old(waterLevel))) || !(systemActive == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && tmp == 2bv32) && waterLevel == \old(waterLevel)))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (((tmp == 1bv32 && 0bv32 == pumpRunning) && \result == 1bv32) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((tmp == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning) && \result == 1bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && tmp == 2bv32) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && tmp == 2bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(systemActive == 0bv32)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((((\result == 1bv32 && tmp == 1bv32) && 0bv32 == tmp___0) && \result == 0bv32) && 0bv32 == pumpRunning)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((systemActive == 0bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || ((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && systemActive == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && (!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((systemActive == 0bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) || (((waterLevel == 2bv32 && systemActive == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || (~bvadd16(waterLevel, 1bv32) == \old(waterLevel) && 0bv32 == pumpRunning))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || !(1bv32 == \old(waterLevel))) || !(systemActive == 0bv32))) && (!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:09,344 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...