/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:29,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:29,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:29,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:29,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:29,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:29,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:29,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:29,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:29,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:29,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:29,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:29,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:29,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:29,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:29,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:29,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:29,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:29,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:29,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:29,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:29,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:29,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:29,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:29,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:29,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:29,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:29,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:29,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:29,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:29,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:29,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:29,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:29,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:29,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:29,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:29,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:29,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:29,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:29,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:29,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:29,804 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 06:35:29,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:29,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:29,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:29,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:29,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:29,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:29,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:29,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:29,827 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:29,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:29,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:29,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:29,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:29,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:29,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:30,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:30,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:30,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:30,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:30,034 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:30,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2022-01-10 06:35:30,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910d2ebd3/bf5540adad30466f901e41f351aa2eed/FLAGe5a4fce90 [2022-01-10 06:35:30,426 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:30,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2022-01-10 06:35:30,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910d2ebd3/bf5540adad30466f901e41f351aa2eed/FLAGe5a4fce90 [2022-01-10 06:35:30,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910d2ebd3/bf5540adad30466f901e41f351aa2eed [2022-01-10 06:35:30,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:30,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:30,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:30,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:30,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:30,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:30" (1/1) ... [2022-01-10 06:35:30,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d33a5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:30, skipping insertion in model container [2022-01-10 06:35:30,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:30" (1/1) ... [2022-01-10 06:35:30,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:30,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:31,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2022-01-10 06:35:31,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:31,253 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:31,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:31,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2022-01-10 06:35:31,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:31,332 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:31,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2022-01-10 06:35:31,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:31,377 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:31,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31 WrapperNode [2022-01-10 06:35:31,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:31,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:31,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:31,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:31,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,431 INFO L137 Inliner]: procedures = 56, calls = 152, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 218 [2022-01-10 06:35:31,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:31,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:31,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:31,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:31,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:31,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:31,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:31,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:31,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (1/1) ... [2022-01-10 06:35:31,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:31,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:31,524 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 06:35:31,530 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 06:35:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:35:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:35:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:31,621 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:31,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:31,819 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:31,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:31,824 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:31,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:31 BoogieIcfgContainer [2022-01-10 06:35:31,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:31,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:31,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:31,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:31,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:30" (1/3) ... [2022-01-10 06:35:31,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51056bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:31, skipping insertion in model container [2022-01-10 06:35:31,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:31" (2/3) ... [2022-01-10 06:35:31,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51056bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:31, skipping insertion in model container [2022-01-10 06:35:31,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:31" (3/3) ... [2022-01-10 06:35:31,830 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2022-01-10 06:35:31,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:31,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:31,864 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:31,868 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 06:35:31,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:35:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:31,914 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:31,915 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:31,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:31,919 INFO L85 PathProgramCache]: Analyzing trace with hash 627967517, now seen corresponding path program 1 times [2022-01-10 06:35:31,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:31,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726973104] [2022-01-10 06:35:31,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:31,931 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:31,948 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 06:35:31,975 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 06:35:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:32,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:32,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:32,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:32,144 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:32,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726973104] [2022-01-10 06:35:32,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726973104] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:32,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:32,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:32,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888637444] [2022-01-10 06:35:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:32,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:32,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:32,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:32,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:32,168 INFO L87 Difference]: Start difference. First operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:32,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:32,187 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2022-01-10 06:35:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:32,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:35:32,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:32,194 INFO L225 Difference]: With dead ends: 151 [2022-01-10 06:35:32,194 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 06:35:32,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:32,199 INFO L933 BasicCegarLoop]: 100 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, 100 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 06:35:32,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:32,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 06:35:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 06:35:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.309090909090909) internal successors, (72), 60 states have internal predecessors, (72), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:35:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-01-10 06:35:32,226 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 32 [2022-01-10 06:35:32,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:32,227 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-01-10 06:35:32,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-01-10 06:35:32,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 06:35:32,229 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:32,229 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:32,245 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 06:35:32,435 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 06:35:32,436 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1553895651, now seen corresponding path program 1 times [2022-01-10 06:35:32,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:32,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71909107] [2022-01-10 06:35:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:32,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:32,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:32,456 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 06:35:32,457 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 06:35:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:32,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:32,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:32,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:32,576 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:32,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71909107] [2022-01-10 06:35:32,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71909107] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:32,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:32,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:32,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603036149] [2022-01-10 06:35:32,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:32,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:32,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:32,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:32,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:32,578 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:32,589 INFO L93 Difference]: Finished difference Result 134 states and 177 transitions. [2022-01-10 06:35:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:32,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-01-10 06:35:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:32,590 INFO L225 Difference]: With dead ends: 134 [2022-01-10 06:35:32,590 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 06:35:32,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:32,592 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 89 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 06:35:32,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:32,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 06:35:32,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 06:35:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.290909090909091) internal successors, (71), 60 states have internal predecessors, (71), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:35:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-01-10 06:35:32,599 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 37 [2022-01-10 06:35:32,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:32,599 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-01-10 06:35:32,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-01-10 06:35:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 06:35:32,601 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:32,601 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:32,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:32,807 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 06:35:32,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:32,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:32,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1104761714, now seen corresponding path program 1 times [2022-01-10 06:35:32,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:32,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769430054] [2022-01-10 06:35:32,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:32,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:32,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:32,812 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 06:35:32,814 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 06:35:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:32,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:32,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:32,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:32,963 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:32,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769430054] [2022-01-10 06:35:32,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769430054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:32,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:32,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:32,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700912757] [2022-01-10 06:35:32,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:32,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:32,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:32,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:32,964 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:32,985 INFO L93 Difference]: Finished difference Result 186 states and 249 transitions. [2022-01-10 06:35:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:32,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2022-01-10 06:35:32,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:32,986 INFO L225 Difference]: With dead ends: 186 [2022-01-10 06:35:32,986 INFO L226 Difference]: Without dead ends: 123 [2022-01-10 06:35:32,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 06:35:32,988 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 58 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 187 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 06:35:32,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 187 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:32,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-01-10 06:35:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2022-01-10 06:35:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 98 states have internal predecessors, (118), 18 states have call successors, (18), 12 states have call predecessors, (18), 10 states have return successors, (22), 16 states have call predecessors, (22), 16 states have call successors, (22) [2022-01-10 06:35:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 158 transitions. [2022-01-10 06:35:33,000 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 158 transitions. Word has length 42 [2022-01-10 06:35:33,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:33,000 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 158 transitions. [2022-01-10 06:35:33,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2022-01-10 06:35:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 06:35:33,002 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:33,002 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:33,023 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 06:35:33,211 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 06:35:33,211 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:33,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:33,212 INFO L85 PathProgramCache]: Analyzing trace with hash 731559770, now seen corresponding path program 1 times [2022-01-10 06:35:33,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:33,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469688855] [2022-01-10 06:35:33,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:33,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:33,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:33,215 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 06:35:33,216 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 06:35:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:33,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:33,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:33,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:33,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:33,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469688855] [2022-01-10 06:35:33,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469688855] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:33,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:33,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:33,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064907100] [2022-01-10 06:35:33,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:33,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:33,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:33,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:33,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:33,420 INFO L87 Difference]: Start difference. First operand 121 states and 158 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:33,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:33,523 INFO L93 Difference]: Finished difference Result 253 states and 342 transitions. [2022-01-10 06:35:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-01-10 06:35:33,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:33,534 INFO L225 Difference]: With dead ends: 253 [2022-01-10 06:35:33,534 INFO L226 Difference]: Without dead ends: 140 [2022-01-10 06:35:33,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 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 06:35:33,535 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 52 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:33,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 406 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:33,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-01-10 06:35:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 124. [2022-01-10 06:35:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.2736842105263158) internal successors, (121), 101 states have internal predecessors, (121), 18 states have call successors, (18), 12 states have call predecessors, (18), 10 states have return successors, (22), 16 states have call predecessors, (22), 16 states have call successors, (22) [2022-01-10 06:35:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 161 transitions. [2022-01-10 06:35:33,546 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 161 transitions. Word has length 46 [2022-01-10 06:35:33,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:33,546 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 161 transitions. [2022-01-10 06:35:33,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions. [2022-01-10 06:35:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 06:35:33,570 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:33,570 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:33,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:35:33,781 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 06:35:33,782 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:33,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:33,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1088143260, now seen corresponding path program 1 times [2022-01-10 06:35:33,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:33,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151520613] [2022-01-10 06:35:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:33,783 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:33,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:33,786 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 06:35:33,796 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 06:35:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:33,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:33,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:33,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:33,931 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:33,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151520613] [2022-01-10 06:35:33,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151520613] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:33,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:33,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:33,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782123391] [2022-01-10 06:35:33,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:33,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:33,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:33,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:33,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:33,935 INFO L87 Difference]: Start difference. First operand 124 states and 161 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:33,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:33,951 INFO L93 Difference]: Finished difference Result 186 states and 234 transitions. [2022-01-10 06:35:33,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:33,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-01-10 06:35:33,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:33,955 INFO L225 Difference]: With dead ends: 186 [2022-01-10 06:35:33,955 INFO L226 Difference]: Without dead ends: 106 [2022-01-10 06:35:33,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 06:35:33,957 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 12 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 138 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 06:35:33,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:33,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-01-10 06:35:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-01-10 06:35:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 89 states have internal predecessors, (107), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-01-10 06:35:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2022-01-10 06:35:33,989 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 42 [2022-01-10 06:35:33,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:33,989 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2022-01-10 06:35:33,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2022-01-10 06:35:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 06:35:33,990 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:33,990 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:34,003 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 06:35:34,196 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 06:35:34,197 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash -856788132, now seen corresponding path program 1 times [2022-01-10 06:35:34,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:34,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259046441] [2022-01-10 06:35:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:34,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:34,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:34,199 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 06:35:34,201 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 06:35:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:34,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:34,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:34,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:34,308 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:34,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259046441] [2022-01-10 06:35:34,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259046441] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:34,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:34,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:35:34,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013847087] [2022-01-10 06:35:34,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:34,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:35:34,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:35:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:35:34,309 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:34,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:34,331 INFO L93 Difference]: Finished difference Result 223 states and 287 transitions. [2022-01-10 06:35:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:35:34,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-01-10 06:35:34,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:34,332 INFO L225 Difference]: With dead ends: 223 [2022-01-10 06:35:34,332 INFO L226 Difference]: Without dead ends: 125 [2022-01-10 06:35:34,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 06:35:34,333 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 35 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:34,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 245 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:34,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-01-10 06:35:34,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 108. [2022-01-10 06:35:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 85 states have (on average 1.2823529411764707) internal successors, (109), 91 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-01-10 06:35:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2022-01-10 06:35:34,341 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 135 transitions. Word has length 46 [2022-01-10 06:35:34,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:34,341 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 135 transitions. [2022-01-10 06:35:34,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2022-01-10 06:35:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-01-10 06:35:34,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:34,342 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:34,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 06:35:34,552 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 06:35:34,553 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:34,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:34,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1749235422, now seen corresponding path program 1 times [2022-01-10 06:35:34,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:34,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684046790] [2022-01-10 06:35:34,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:34,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:34,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:34,564 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 06:35:34,568 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 06:35:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:34,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:34,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:34,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:34,705 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:34,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684046790] [2022-01-10 06:35:34,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684046790] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:34,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:34,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:34,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446585498] [2022-01-10 06:35:34,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:34,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:34,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:34,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:34,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:34,706 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:34,721 INFO L93 Difference]: Finished difference Result 256 states and 324 transitions. [2022-01-10 06:35:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:34,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-01-10 06:35:34,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:34,722 INFO L225 Difference]: With dead ends: 256 [2022-01-10 06:35:34,722 INFO L226 Difference]: Without dead ends: 156 [2022-01-10 06:35:34,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 06:35:34,723 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 36 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:34,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 151 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:34,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-01-10 06:35:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2022-01-10 06:35:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 121 states have (on average 1.2644628099173554) internal successors, (153), 128 states have internal predecessors, (153), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-01-10 06:35:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 191 transitions. [2022-01-10 06:35:34,731 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 191 transitions. Word has length 46 [2022-01-10 06:35:34,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:34,731 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 191 transitions. [2022-01-10 06:35:34,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2022-01-10 06:35:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-10 06:35:34,732 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:34,732 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:34,741 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 06:35:34,939 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 06:35:34,939 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:34,940 INFO L85 PathProgramCache]: Analyzing trace with hash -2549066, now seen corresponding path program 1 times [2022-01-10 06:35:34,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:34,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011131584] [2022-01-10 06:35:34,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:34,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:34,944 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 06:35:34,945 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 06:35:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:35,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:35,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:35:35,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:35,139 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:35,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011131584] [2022-01-10 06:35:35,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011131584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:35,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:35,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:35,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677750172] [2022-01-10 06:35:35,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:35,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:35,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:35,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:35,141 INFO L87 Difference]: Start difference. First operand 154 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:35:35,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:35,210 INFO L93 Difference]: Finished difference Result 307 states and 384 transitions. [2022-01-10 06:35:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:35:35,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-01-10 06:35:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:35,211 INFO L225 Difference]: With dead ends: 307 [2022-01-10 06:35:35,211 INFO L226 Difference]: Without dead ends: 161 [2022-01-10 06:35:35,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:35,212 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 25 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:35,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 366 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:35,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-01-10 06:35:35,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2022-01-10 06:35:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 126 states have internal predecessors, (147), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-01-10 06:35:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 185 transitions. [2022-01-10 06:35:35,220 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 185 transitions. Word has length 48 [2022-01-10 06:35:35,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:35,220 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 185 transitions. [2022-01-10 06:35:35,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:35:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 185 transitions. [2022-01-10 06:35:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:35:35,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:35,221 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:35,229 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 06:35:35,427 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 06:35:35,428 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:35,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:35,428 INFO L85 PathProgramCache]: Analyzing trace with hash 458290680, now seen corresponding path program 1 times [2022-01-10 06:35:35,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:35,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583940724] [2022-01-10 06:35:35,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:35,429 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:35,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:35,430 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 06:35:35,432 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 06:35:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:35,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:35:35,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:35,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:35,612 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:35,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583940724] [2022-01-10 06:35:35,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583940724] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:35,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:35,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:35:35,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838806957] [2022-01-10 06:35:35,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:35,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:35:35,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:35,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:35:35,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:35,614 INFO L87 Difference]: Start difference. First operand 152 states and 185 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:35:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:35,952 INFO L93 Difference]: Finished difference Result 511 states and 646 transitions. [2022-01-10 06:35:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:35:35,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2022-01-10 06:35:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:35,955 INFO L225 Difference]: With dead ends: 511 [2022-01-10 06:35:35,955 INFO L226 Difference]: Without dead ends: 412 [2022-01-10 06:35:35,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:35:35,956 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 209 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:35,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 585 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:35:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-01-10 06:35:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 378. [2022-01-10 06:35:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 297 states have (on average 1.2222222222222223) internal successors, (363), 316 states have internal predecessors, (363), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2022-01-10 06:35:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 461 transitions. [2022-01-10 06:35:35,974 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 461 transitions. Word has length 50 [2022-01-10 06:35:35,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:35,974 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 461 transitions. [2022-01-10 06:35:35,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:35:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 461 transitions. [2022-01-10 06:35:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 06:35:35,975 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:35,975 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:35,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-01-10 06:35:36,182 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 06:35:36,182 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash -643370142, now seen corresponding path program 1 times [2022-01-10 06:35:36,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:36,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152878883] [2022-01-10 06:35:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:36,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:36,184 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 06:35:36,185 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 06:35:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:36,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:36,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 06:35:36,579 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:36,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152878883] [2022-01-10 06:35:36,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152878883] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:36,580 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:36,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-01-10 06:35:36,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105036215] [2022-01-10 06:35:36,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:36,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 06:35:36,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 06:35:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:35:36,581 INFO L87 Difference]: Start difference. First operand 378 states and 461 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2022-01-10 06:35:36,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:36,718 INFO L93 Difference]: Finished difference Result 602 states and 760 transitions. [2022-01-10 06:35:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:35:36,719 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) Word has length 81 [2022-01-10 06:35:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:36,719 INFO L225 Difference]: With dead ends: 602 [2022-01-10 06:35:36,720 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:36,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-01-10 06:35:36,721 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 124 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:36,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 846 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:36,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:36,722 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 06:35:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:36,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-01-10 06:35:36,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:36,722 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:36,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2022-01-10 06:35:36,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:36,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:36,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:36,733 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 06:35:36,925 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 06:35:36,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:38,937 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 525 531) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 525 531) the Hoare annotation is: true [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 822 833) the Hoare annotation is: true [2022-01-10 06:35:38,938 INFO L858 garLoopResultBuilder]: For program point L826-1(lines 822 833) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 822 833) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 689 718) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point L703-1(lines 703 707) the Hoare annotation is: true [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 689 718) the Hoare annotation is: true [2022-01-10 06:35:38,938 INFO L858 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: true [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: true [2022-01-10 06:35:38,938 INFO L858 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2022-01-10 06:35:38,938 INFO L861 garLoopResultBuilder]: At program point L714(lines 689 718) the Hoare annotation is: true [2022-01-10 06:35:38,939 INFO L858 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2022-01-10 06:35:38,939 INFO L854 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and (= |timeShift_processEnvironment_~tmp~4#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5))) [2022-01-10 06:35:38,939 INFO L854 garLoopResultBuilder]: At program point L791(lines 786 793) the Hoare annotation is: (let ((.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse0 .cse3) (or .cse2 .cse0 .cse1) (or .cse0 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:38,939 INFO L858 garLoopResultBuilder]: For program point L919-1(line 919) no Hoare annotation was computed. [2022-01-10 06:35:38,939 INFO L854 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5))) [2022-01-10 06:35:38,939 INFO L854 garLoopResultBuilder]: At program point L552-1(lines 533 557) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse5 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse8)) (.cse1 (and (= |timeShift_processEnvironment_~tmp~4#1| (_ bv0 32)) .cse8 (= (_ bv0 32) ~pumpRunning~0) .cse7)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse3 .cse0 (and .cse4 .cse5 (= ~waterLevel~0 (_ bv1 32))) .cse6) (or .cse0 .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse4 .cse5)) (or .cse3 .cse0 .cse1 .cse2 (and .cse4 .cse7))))) [2022-01-10 06:35:38,939 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 498 524) no Hoare annotation was computed. [2022-01-10 06:35:38,939 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2022-01-10 06:35:38,939 INFO L858 garLoopResultBuilder]: For program point L639-2(lines 639 643) no Hoare annotation was computed. [2022-01-10 06:35:38,939 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 885) no Hoare annotation was computed. [2022-01-10 06:35:38,939 INFO L854 garLoopResultBuilder]: At program point L904(line 904) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse5)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (and .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 (and .cse4 .cse5) .cse6)))) [2022-01-10 06:35:38,940 INFO L858 garLoopResultBuilder]: For program point L904-1(line 904) no Hoare annotation was computed. [2022-01-10 06:35:38,940 INFO L854 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse2)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= |timeShift_processEnvironment_~tmp~4#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse6 .cse0 (and .cse7 .cse8 (= ~waterLevel~0 (_ bv1 32))) .cse9) (or .cse0 .cse9 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse7 .cse8)) (let ((.cse10 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)))) (or .cse6 .cse0 .cse5 (and .cse7 .cse10 .cse4) (and .cse1 .cse10 .cse2 .cse3 .cse4)))))) [2022-01-10 06:35:38,940 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2022-01-10 06:35:38,940 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 549) no Hoare annotation was computed. [2022-01-10 06:35:38,940 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 554) no Hoare annotation was computed. [2022-01-10 06:35:38,940 INFO L858 garLoopResultBuilder]: For program point L921(lines 921 931) no Hoare annotation was computed. [2022-01-10 06:35:38,940 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 934) no Hoare annotation was computed. [2022-01-10 06:35:38,940 INFO L854 garLoopResultBuilder]: At program point L884(lines 875 888) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse0 .cse1 .cse5) (or .cse1 .cse2 (and (= (_ bv1 32) |timeShift_isHighWaterSensorDry_#res#1|) .cse3 .cse4) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:38,941 INFO L854 garLoopResultBuilder]: At program point L917-1(lines 909 937) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse9 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse2)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= |timeShift_processEnvironment_~tmp~4#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse6 .cse0 (and .cse7 .cse8 (= ~waterLevel~0 (_ bv1 32))) .cse9) (or .cse0 .cse9 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse7 .cse8)) (let ((.cse10 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse11 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|))) (or .cse6 .cse0 (and .cse7 .cse10 .cse11 .cse4) (and .cse1 .cse10 .cse2 .cse11 .cse3 .cse4) .cse5))))) [2022-01-10 06:35:38,941 INFO L854 garLoopResultBuilder]: At program point L645(lines 630 648) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse0 .cse1 .cse5) (or (and (= |timeShift_isHighWaterLevel_#res#1| (_ bv0 32)) (= (_ bv0 32) |timeShift_isHighWaterLevel_~tmp___0~1#1|) .cse3 .cse4) .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2022-01-10 06:35:38,941 INFO L854 garLoopResultBuilder]: At program point L802-2(lines 798 809) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))) (and .cse2 .cse3)) (or .cse1 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse5))) [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 511) no Hoare annotation was computed. [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point L505-2(lines 501 523) no Hoare annotation was computed. [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point L790(line 790) no Hoare annotation was computed. [2022-01-10 06:35:38,941 INFO L854 garLoopResultBuilder]: At program point L563(lines 558 565) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:38,941 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 498 524) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse5)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (and .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 (and .cse4 .cse5) .cse6)))) [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 498 524) no Hoare annotation was computed. [2022-01-10 06:35:38,941 INFO L854 garLoopResultBuilder]: At program point L906(lines 899 908) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse6)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (and (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse6)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 .cse4 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (or .cse0 .cse1 .cse4 .cse5)))) [2022-01-10 06:35:38,941 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L854 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (and (= |timeShift_processEnvironment_~tmp~4#1| (_ bv0 32)) .cse5 (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse5)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse0 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))))))) [2022-01-10 06:35:38,942 INFO L854 garLoopResultBuilder]: At program point L473(lines 430 475) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L854 garLoopResultBuilder]: At program point L668(lines 664 670) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:38,942 INFO L861 garLoopResultBuilder]: At program point L759(lines 751 761) the Hoare annotation is: true [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 460 471) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:38,942 INFO L854 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L772(lines 772 779) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2022-01-10 06:35:38,942 INFO L858 garLoopResultBuilder]: For program point L772-2(lines 772 779) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:38,943 INFO L861 garLoopResultBuilder]: At program point L479(lines 420 483) the Hoare annotation is: true [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:38,943 INFO L861 garLoopResultBuilder]: At program point L781(lines 762 784) the Hoare annotation is: true [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point L675(lines 671 677) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 810 821) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point L814-1(lines 810 821) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 810 821) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 585 593) no Hoare annotation was computed. [2022-01-10 06:35:38,943 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 585 593) the Hoare annotation is: true [2022-01-10 06:35:38,943 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 585 593) no Hoare annotation was computed. [2022-01-10 06:35:38,946 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:38,946 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:38,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:38 BoogieIcfgContainer [2022-01-10 06:35:38,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:38,963 INFO L158 Benchmark]: Toolchain (without parser) took 8123.77ms. Allocated memory was 154.1MB in the beginning and 231.7MB in the end (delta: 77.6MB). Free memory was 97.4MB in the beginning and 141.2MB in the end (delta: -43.7MB). Peak memory consumption was 106.4MB. Max. memory is 8.0GB. [2022-01-10 06:35:38,963 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:38,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.87ms. Allocated memory was 154.1MB in the beginning and 231.7MB in the end (delta: 77.6MB). Free memory was 97.3MB in the beginning and 190.7MB in the end (delta: -93.4MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. [2022-01-10 06:35:38,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.11ms. Allocated memory is still 231.7MB. Free memory was 190.2MB in the beginning and 188.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:38,964 INFO L158 Benchmark]: Boogie Preprocessor took 24.47ms. Allocated memory is still 231.7MB. Free memory was 188.1MB in the beginning and 186.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:35:38,964 INFO L158 Benchmark]: RCFGBuilder took 368.35ms. Allocated memory is still 231.7MB. Free memory was 186.5MB in the beginning and 169.2MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:38,964 INFO L158 Benchmark]: TraceAbstraction took 7136.22ms. Allocated memory is still 231.7MB. Free memory was 168.7MB in the beginning and 141.2MB in the end (delta: 27.6MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. [2022-01-10 06:35:38,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.87ms. Allocated memory was 154.1MB in the beginning and 231.7MB in the end (delta: 77.6MB). Free memory was 97.3MB in the beginning and 190.7MB in the end (delta: -93.4MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.11ms. Allocated memory is still 231.7MB. Free memory was 190.2MB in the beginning and 188.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.47ms. Allocated memory is still 231.7MB. Free memory was 188.1MB in the beginning and 186.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 368.35ms. Allocated memory is still 231.7MB. Free memory was 186.5MB in the beginning and 169.2MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 7136.22ms. Allocated memory is still 231.7MB. Free memory was 168.7MB in the beginning and 141.2MB in the end (delta: 27.6MB). Peak memory consumption was 100.4MB. 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: 790]: 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 7 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 636 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 616 mSDsluCounter, 3113 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2073 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 494 IncrementalHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 1040 mSDtfsCounter, 494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 558 GetRequests, 513 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=9, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 80 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 777 PreInvPairs, 879 NumberOfFragments, 1476 HoareAnnotationTreeSize, 777 FomulaSimplifications, 532 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 2589 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 470 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 540 ConstructedInterpolants, 0 QuantifiedInterpolants, 1155 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1819 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 72/85 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: 751]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || (((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || (((tmp == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == pumpRunning && \result == 2bv32) && waterLevel == \old(waterLevel))) || ((((tmp == 0bv32 && \result == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || (((tmp == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((tmp == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || (((tmp == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) || (1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((1bv32 == pumpRunning && \result == 2bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) || (((((tmp == 0bv32 && \result == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(systemActive == 1bv32) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((1bv32 == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == \result && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((((\result == 0bv32 && 0bv32 == tmp___0) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:38,996 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...